{"id":41848,"date":"2026-06-21T15:45:58","date_gmt":"2026-06-21T08:45:58","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=41848"},"modified":"2026-06-21T17:08:56","modified_gmt":"2026-06-21T10:08:56","slug":"dns-1-1-1-1","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/dns-1-1-1-1\/","title":{"rendered":"DNS 1.1.1.1 L\u00e0 G\u00ec? C\u00e1ch \u0110\u1ed5i DNS T\u0103ng T\u1ed1c M\u1ea1ng, M\u1edf Ch\u1eb7n"},"content":{"rendered":"\n\n<style>\n.interdata-plan-carousel{--blue:#005bea;--blue-dark:#004dcc;--text:#071832;--border:#d8e6fb;--bg:#f3f8ff;container-type:inline-size;background:var(--bg);padding:14px 12px;overflow:hidden}\n.interdata-carousel-heading{color:#003fbd;font-size:18px;line-height:1.35;font-weight:800;text-align:center;margin:0 0 14px}\n.interdata-plan-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 0 8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}\n.interdata-plan-track::-webkit-scrollbar{display:none}\n.interdata-plan-card,.interdata-plan-card *{box-sizing:border-box}\n.interdata-plan-card{flex:0 0 calc(25% - 9px);min-width:205px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px 14px 14px;min-height:382px;display:flex;flex-direction:column;scroll-snap-align:start;box-shadow:0 5px 14px rgba(0,62,145,.08)}\n.interdata-plan-title{color:var(--blue-dark);font-size:17px;line-height:1.25;font-weight:800;text-align:center;margin:0 0 8px}\n.interdata-plan-price{color:var(--blue-dark);font-size:32px;line-height:1;font-weight:900;text-align:center;margin-bottom:14px;white-space:nowrap;letter-spacing:0}\n.interdata-plan-price span{font-size:12px;font-weight:800;margin-left:2px}\n.interdata-plan-badge{align-self:center;display:inline-flex;align-items:center;justify-content:center;background:#ff3934;color:#fff;border-radius:5px;padding:8px 10px;font-size:10px;line-height:1;font-weight:800;margin-bottom:18px;white-space:nowrap}\n.interdata-plan-features{list-style:none!important;padding:0!important;margin:0!important}\n.interdata-plan-features li{display:flex;gap:8px;align-items:flex-start;color:var(--text);font-size:13px;line-height:1.35;font-weight:700;text-align:left;margin:0 0 11px!important;padding:0!important}\n.interdata-plan-icon{width:15px;min-width:15px;height:15px;color:#0069ff;margin-top:2px}\n.interdata-plan-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n.interdata-plan-spacer{flex:1}\n.interdata-plan-button{display:flex;align-items:center;justify-content:center;min-height:44px;width:100%;background:var(--blue);color:#fff!important;border-radius:5px;font-size:14px;font-weight:800;text-decoration:none!important;box-shadow:0 7px 14px rgba(0,91,234,.24);transition:transform .2s ease,background .2s ease}\n.interdata-plan-button:hover{background:var(--blue-dark);color:#fff!important;transform:translateY(-1px)}\n@container (max-width:860px){.interdata-plan-card{flex-basis:calc(33.333% - 8px);min-width:205px}}\n@container (max-width:640px){.interdata-plan-card{flex-basis:calc(50% - 7px);min-width:215px}}\n@container (max-width:480px){.interdata-plan-carousel{padding:12px 10px}.interdata-carousel-heading{font-size:16px}.interdata-plan-card{flex-basis:86%;min-width:235px}.interdata-plan-price{font-size:31px}}\n@media (max-width:360px){.interdata-plan-card{flex-basis:90%;min-width:220px}.interdata-plan-price{font-size:29px}.interdata-plan-badge{font-size:9px}}\n<\/style>\n\n<div class=\"interdata-plan-carousel\">\n  <div class=\"interdata-carousel-heading\"><span style=\"font-family: Roboto, sans-serif; color: red;\">Si\u00eau \u01afu \u0110\u00e3i VPS \/ CLOUD SERVER - Ti\u1ebft Ki\u1ec7m \u0110\u1ebfn 70%<\/span><\/div>\n\n  <svg width=\"0\" height=\"0\" style=\"position:absolute;visibility:hidden\" aria-hidden=\"true\">\n    <symbol id=\"id-icon-cpu\" viewBox=\"0 0 24 24\"><rect x=\"7\" y=\"7\" width=\"10\" height=\"10\" rx=\"2\"><\/rect><path d=\"M4 9h3M4 15h3M17 9h3M17 15h3M9 4v3M15 4v3M9 17v3M15 17v3\"><\/path><path d=\"M10 10h4v4h-4z\"><\/path><\/symbol>\n    <symbol id=\"id-icon-ram\" viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"8\" width=\"16\" height=\"8\" rx=\"2\"><\/rect><path d=\"M7 16v2M11 16v2M15 16v2M19 16v2M7 11h1M11 11h1M15 11h1\"><\/path><\/symbol>\n    <symbol id=\"id-icon-storage\" viewBox=\"0 0 24 24\"><rect x=\"6\" y=\"3\" width=\"12\" height=\"18\" rx=\"2\"><\/rect><path d=\"M9 7h6\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><\/symbol>\n    <symbol id=\"id-icon-network\" viewBox=\"0 0 24 24\"><path d=\"M5 12.5a10 10 0 0 1 14 0\"><\/path><path d=\"M8.5 16a5 5 0 0 1 7 0\"><\/path><path d=\"M12 19h.01\"><\/path><\/symbol>\n    <symbol id=\"id-icon-gift\" viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"13\" rx=\"2\"><\/rect><path d=\"M12 8v13M3 12h18\"><\/path><path d=\"M7.5 8C6.1 8 5 6.9 5 5.5S6.1 3 7.5 3C10 3 12 8 12 8\"><\/path><path d=\"M16.5 8C17.9 8 19 6.9 19 5.5S17.9 3 16.5 3C14 3 12 8 12 8\"><\/path><\/symbol>\n  <\/svg>\n\n  <div class=\"interdata-plan-track\">\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">BD - Starter<\/h3>\n      <div class=\"interdata-plan-price\">699K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>1 vCPU Intel Xeon<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>2 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>20 GB NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 100 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/interdata-day-2026\/bd-starter\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n      <div class=\"interdata-plan-price\">999K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCore Intel Xeon<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">BD - Personal<\/h3>\n      <div class=\"interdata-plan-price\">1.456K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCPU AMD 7H12<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>4 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>40 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/interdata-day-2026\/bd-personal\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Cloud-Day - Base<\/h3>\n      <div class=\"interdata-plan-price\">2.666K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 80 GB S3 v\u00e0 1 N\u0102M S\u1eec D\u1ee4NG khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU AMD EPYC<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>6 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>60 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10 Gbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n  <\/div>\n<\/div>\n\n\t<div id=\"gap-431856831\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-431856831 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<p style=\"text-align: justify;\"><span style=\"font-size: 100%;\">N\u1ebfu b\u1ea1n \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng truy c\u1eadp website ch\u1eadp ch\u1eddn ho\u1eb7c b\u1ecb gi\u1edbi h\u1ea1n \u0111\u01b0\u1eddng truy\u1ec1n b\u1edfi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng n\u1ed9i \u0111\u1ecba, thay \u0111\u1ed5i c\u1ea5u h\u00ecnh sang <strong>dns 1.1.1.1<\/strong> ch\u00ednh l\u00e0 ph\u01b0\u01a1ng \u00e1n t\u1ed1i \u01b0u ph\u1ea7n c\u1ee9ng \u0111\u1ea7u tay. D\u1ecbch v\u1ee5 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n c\u00f4ng c\u1ed9ng do Cloudflare v\u1eadn h\u00e0nh n\u00e0y gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian ph\u1ea3n h\u1ed3i y\u00eau c\u1ea7u m\u1ea1ng, b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u00e1 nh\u00e2n v\u00e0 v\u01b0\u1ee3t qua c\u00e1c r\u00e0o c\u1ea3n truy c\u1eadp th\u00f4ng th\u01b0\u1eddng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. \u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung m\u01b0\u1ee3t m\u00e0, b\u00ean c\u1ea1nh t\u1ed1i \u01b0u h\u00f3a k\u1ebft n\u1ed1i DNS, vi\u1ec7c v\u1eadn h\u00e0nh \u1ee9ng d\u1ee5ng tr\u00ean n\u1ec1n t\u1ea3ng h\u1ea1 t\u1ea7ng c\u1ee7a <a style=\"background: linear-gradient(90deg, #1E3A8A 0%, #2563EB 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-decoration: none; font-weight: bold;\" href=\"\/\">InterData<\/a> c\u0169ng l\u00e0 b\u01b0\u1edbc \u0111i chi\u1ebfn l\u01b0\u1ee3c gi\u00fap doanh nghi\u1ec7p ki\u1ec3m so\u00e1t to\u00e0n di\u1ec7n hi\u1ec7u n\u0103ng v\u00e0 t\u00e0i nguy\u00ean l\u01b0u tr\u1eef.<\/span><\/p>\n<div style=\"background-color: #eff6ff; padding: 20px; border: 1.5px solid #BFDBFE; border-radius: 12px; margin-bottom: 40px; box-shadow: 0 8px 20px rgba(37, 99, 235, 0.05);\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; font-size: 18px; margin-top: 0; margin-bottom: 15px; color: #1e3a8a;\">N\u1ed8I DUNG B\u00c0I VI\u1ebeT<\/p>\n<ul style=\"list-style-type: none; padding-left: 0; margin: 0;\">\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: 600;\" href=\"#section1\">1. DNS 1.1.1.1 L\u00e0 G\u00ec?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: 600;\" href=\"#section2\">2. T\u1ea1i Sao B\u1ea1n N\u00ean \u0110\u1ed5i Sang DNS 1.1.1.1?<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: 600;\" href=\"#section3\">3. So S\u00e1nh DNS 1.1.1.1 vs DNS Google 8.8.8.8 v\u00e0 DNS Nh\u00e0 M\u1ea1ng Vi\u1ec7t Nam<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: 600;\" href=\"#section4\">4. H\u01b0\u1edbng D\u1eabn C\u00e1ch \u0110\u1ed5i DNS 1.1.1.1 Tr\u00ean M\u1ecdi Thi\u1ebft B\u1ecb<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: 600;\" href=\"#section5\">5. Ph\u00e2n Bi\u1ec7t DNS 1.1.1.1 V\u00e0 \u1ee8ng D\u1ee5ng WARP 1.1.1.1<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: 600;\" href=\"#section6\">6. Ch\u1ea9n \u0110o\u00e1n V\u00e0 Kh\u1eafc Ph\u1ee5c L\u1ed7i DNS Th\u01b0\u1eddng G\u1eb7p Khi C\u1ea5u H\u00ecnh<\/a><\/li>\n<li style=\"margin-bottom: 10px;\"><a style=\"text-decoration: none; color: #2563eb; font-weight: 600;\" href=\"#section7\">7. C\u00e1c C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQ) V\u1ec1 DNS 1.1.1.1<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"section1\" style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">1. DNS 1.1.1.1 L\u00e0 G\u00ec?<\/h2>\n<p style=\"text-align: justify;\">DNS 1.1.1.1 l\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n c\u00f4ng c\u1ed9ng, mi\u1ec5n ph\u00ed \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh b\u1edfi Cloudflare ph\u1ed1i h\u1ee3p c\u00f9ng t\u1ed5 ch\u1ee9c phi l\u1ee3i nhu\u1eadn APNIC. H\u1ec7 th\u1ed1ng n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t danh b\u1ea1 k\u1ef9 thu\u1eadt s\u1ed1 t\u1ed1c \u0111\u1ed9 cao, d\u1ecbch c\u00e1c \u0111\u1ecba ch\u1ec9 URL th\u00e2n thi\u1ec7n v\u1edbi con ng\u01b0\u1eddi th\u00e0nh c\u00e1c d\u00e3y IP nh\u1ecb ph\u00e2n m\u00e0 m\u00e1y ch\u1ee7 m\u1ea1ng c\u00f3 th\u1ec3 hi\u1ec3u.<\/p>\n<p style=\"text-align: justify;\">Th\u00f4ng th\u01b0\u1eddng, khi b\u1ea1n nh\u1eadp m\u1ed9t t\u00ean mi\u1ec1n v\u00e0o thanh \u0111\u1ecba ch\u1ec9 tr\u00ecnh duy\u1ec7t, y\u00eau c\u1ea7u truy c\u1eadp s\u1ebd chuy\u1ec3n h\u01b0\u1edbng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u00e1y ch\u1ee7 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n (DNS recursive resolver) m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP). Nh\u1eefng m\u00e1y ch\u1ee7 n\u00e0y th\u01b0\u1eddng c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 n\u0103ng l\u1ef1c x\u1eed l\u00fd, d\u1ec5 qu\u00e1 t\u1ea3i khi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp khu v\u1ef1c t\u0103ng \u0111\u1ed9t bi\u1ebfn v\u00e0 th\u01b0\u1eddng xuy\u00ean l\u01b0u l\u1ea1i nh\u1eadt k\u00fd duy\u1ec7t web c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<p style=\"text-align: justify;\">\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u0111\u00f3, Cloudflare \u1ee9ng d\u1ee5ng h\u1ea1 t\u1ea7ng m\u1ea1ng l\u01b0\u1edbi ph\u00e2n t\u00e1n Anycast to\u00e0n c\u1ea7u c\u1ee7a m\u00ecnh cho h\u1ec7 th\u1ed1ng DNS 1.1.1.1. Khi b\u1ea1n truy v\u1ea5n t\u00ean mi\u1ec1n, h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u h\u01b0\u1edbng y\u00eau c\u1ea7u \u0111\u1ebfn \u0111i\u1ec3m hi\u1ec7n di\u1ec7n (Point of Presence &#8211; PoP) g\u1ea7n nh\u1ea5t v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd. Quy tr\u00ecnh n\u00e0y lo\u1ea1i b\u1ecf c\u00e1c n\u00fat th\u1eaft c\u1ed5 chai v\u1ec1 m\u1eb7t \u0111\u1ecbnh tuy\u1ebfn, gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch c\u1ee7a \u1ee9ng d\u1ee5ng m\u1ed9t c\u00e1ch t\u1ed1i \u0111a.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41849\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Dinh-nghia-DNS-1.1.1.1-Cach-Doi-DNS-Tang-Toc-Mang-Mo-Chan.jpg\" alt=\"\u0110\u1ecbnh ngh\u0129a DNS 1.1.1.1, C\u00e1ch \u0110\u1ed5i DNS T\u0103ng T\u1ed1c M\u1ea1ng, M\u1edf Ch\u1eb7n\" width=\"700\" height=\"467\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Dinh-nghia-DNS-1.1.1.1-Cach-Doi-DNS-Tang-Toc-Mang-Mo-Chan.jpg 1000w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Dinh-nghia-DNS-1.1.1.1-Cach-Doi-DNS-Tang-Toc-Mang-Mo-Chan-300x200.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2026\/06\/Dinh-nghia-DNS-1.1.1.1-Cach-Doi-DNS-Tang-Toc-Mang-Mo-Chan-768x512.jpg 768w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">C\u01a1 Ch\u1ebf Ph\u00e2n Gi\u1ea3i T\u00ean Mi\u1ec1n C\u1ee7a DNS Cloudflare<\/h3>\n<p style=\"text-align: justify;\">Khi m\u1ed9t thi\u1ebft b\u1ecb c\u1ea5u h\u00ecnh s\u1eed d\u1ee5ng DNS 1.1.1.1 th\u1ef1c hi\u1ec7n truy v\u1ea5n, quy tr\u00ecnh di\u1ec5n ra theo c\u00e1c b\u01b0\u1edbc nghi\u00eam ng\u1eb7t sau:<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\"><strong>G\u1eedi y\u00eau c\u1ea7u (Query):<\/strong> Tr\u00ecnh duy\u1ec7t g\u1eedi y\u00eau c\u1ea7u ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP 1.1.1.1 qua c\u1ed5ng UDP ho\u1eb7c TCP 53 (ho\u1eb7c c\u1ed5ng 443\/853 \u0111\u1ed1i v\u1edbi c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt m\u00e3 h\u00f3a).<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Ki\u1ec3m tra b\u1ed9 nh\u1edb \u0111\u1ec7m (Cache Check):<\/strong> N\u1ebfu PoP g\u1ea7n nh\u1ea5t c\u1ee7a Cloudflare \u0111\u00e3 l\u01b0u tr\u1eef b\u1ea3n ghi DNS c\u1ee7a t\u00ean mi\u1ec1n \u0111\u00f3 t\u1eeb tr\u01b0\u1edbc, k\u1ebft qu\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 ngay l\u1eadp t\u1ee9c cho client. Th\u1eddi gian ph\u1ea3n h\u1ed3i trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y th\u01b0\u1eddng ch\u1ec9 m\u1ea5t v\u00e0i mili gi\u00e2y.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>Truy v\u1ea5n ph\u00e2n c\u1ea5p (Hierarchical Query):<\/strong> N\u1ebfu kh\u00f4ng c\u00f3 s\u1eb5n trong b\u1ed9 nh\u1edb \u0111\u1ec7m, resolver c\u1ee7a Cloudflare s\u1ebd thay m\u1eb7t thi\u1ebft b\u1ecb g\u1eedi truy v\u1ea5n \u0111\u1ebfn c\u00e1c Root Nameserver, ti\u1ebfp theo l\u00e0 TLD Nameserver (nh\u01b0 .com, .net, .vn) v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 Authoritative Nameserver c\u1ee7a t\u00ean mi\u1ec1n \u0111\u00f3 \u0111\u1ec3 l\u1ea5y \u0111\u1ecba ch\u1ec9 IP ch\u00ednh x\u00e1c.<\/li>\n<li style=\"margin-bottom: 10px;\"><strong>L\u01b0u \u0111\u1ec7m v\u00e0 ph\u1ea3n h\u1ed3i:<\/strong> Cloudflare l\u01b0u l\u1ea1i b\u1ea3n ghi n\u00e0y v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m d\u1ef1a tr\u00ean th\u1eddi gian t\u1ed3n t\u1ea1i (TTL) quy \u0111\u1ecbnh v\u00e0 tr\u1ea3 k\u1ebft qu\u1ea3 v\u1ec1 cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: white; font-size: 34px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">THU\u00ca VPS LINUX<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">SSD NVMe U.2 \u00b7 CPU \u0110\u1eddi M\u1edbi \u00b7 Anti-DDoS<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">T\u1ed1i \u01afu Hi\u1ec7u N\u0103ng \u1ee8ng D\u1ee5ng V\u1edbi VPS T\u1ed1c \u0110\u1ed9 Cao<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">K\u1ebft n\u1ed1i m\u1ea1ng nhanh ch\u01b0a \u0111\u1ee7 n\u1ebfu m\u00e1y ch\u1ee7 ch\u1ea1y \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n g\u1eb7p t\u00ecnh tr\u1ea1ng ngh\u1ebdn t\u00e0i nguy\u00ean do d\u00f9ng chung h\u1ea1 t\u1ea7ng. Chuy\u1ec3n sang d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 \u1ea3o ri\u00eang bi\u1ec7t v\u1edbi quy\u1ec1n ki\u1ec3m so\u00e1t Root t\u1ed1i cao \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u1ea5u h\u00ecnh DNS c\u00e1 nh\u00e2n, t\u0103ng t\u1ed1c ph\u1ea3n h\u1ed3i \u1ee9ng d\u1ee5ng.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: white; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">XEM B\u1ea2NG GI\u00c1 VPS TI\u1ebeT KI\u1ec6M \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<h2 id=\"section2\" style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">2. T\u1ea1i Sao B\u1ea1n N\u00ean \u0110\u1ed5i Sang DNS 1.1.1.1?<\/h2>\n<p style=\"text-align: justify;\">\u0110\u1ed5i DNS kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t th\u1ee7 thu\u1eadt c\u00f4ng ngh\u1ec7. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p can thi\u1ec7p tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1ch thi\u1ebft b\u1ecb t\u01b0\u01a1ng t\u00e1c v\u1edbi th\u1ebf gi\u1edbi internet. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ba l\u00fd do c\u1ed1t l\u00f5i gi\u1ea3i th\u00edch t\u1ea1i sao DNS Cloudflare tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u c\u1ee7a gi\u1edbi sysadmin v\u00e0 ng\u01b0\u1eddi d\u00f9ng chuy\u00ean nghi\u1ec7p:<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">T\u1ed1i \u01afu H\u00f3a T\u1ed1c \u0110\u1ed9 Ph\u1ea3n H\u1ed3i \u0110\u01b0\u1eddng Truy\u1ec1n<\/h3>\n<p style=\"text-align: justify;\">M\u1ed7i l\u1ea7n b\u1ea1n nh\u1ea5p v\u00e0o m\u1ed9t li\u00ean k\u1ebft, tr\u00ecnh duy\u1ec7t ph\u1ea3i th\u1ef1c hi\u1ec7n ph\u00e2n gi\u1ea3i DNS tr\u01b0\u1edbc khi t\u1ea3i b\u1ea5t k\u1ef3 byte d\u1eef li\u1ec7u n\u00e0o. N\u1ebfu m\u00e1y ch\u1ee7 DNS c\u1ee7a nh\u00e0 m\u1ea1ng ph\u1ea3n h\u1ed3i ch\u1eadm, b\u1ea1n s\u1ebd th\u1ea5y tr\u00ecnh duy\u1ec7t hi\u1ec7n tr\u1ea1ng th\u00e1i &#8220;Resolving host&#8230;&#8221; trong v\u00e0i gi\u00e2y. Trong c\u00e1c b\u00e1o c\u00e1o \u0111o l\u01b0\u1eddng \u0111\u1ed9c l\u1eadp t\u1eeb DNSPerf, DNS 1.1.1.1 duy tr\u00ec v\u1ecb th\u1ebf l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ed9 ph\u00e2n gi\u1ea3i c\u00f3 th\u1eddi gian ph\u1ea3n h\u1ed3i nhanh nh\u1ea5t to\u00e0n c\u1ea7u nh\u1edd v\u00e0o m\u1ea1ng l\u01b0\u1edbi Anycast ph\u00e2n t\u00e1n r\u1ed9ng kh\u1eafp. Vi\u1ec7c gi\u1ea3m thi\u1ec3u th\u1eddi gian ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n gi\u00fap tr\u1ea3i nghi\u1ec7m l\u01b0\u1edbt web v\u00e0 ph\u1ea3n h\u1ed3i \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n m\u01b0\u1ee3t m\u00e0 h\u01a1n tr\u00f4ng th\u1ea5y.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">B\u1ea3o M\u1eadt Quy\u1ec1n Ri\u00eang T\u01b0 V\u00e0 Ng\u0103n Ch\u1eb7n Theo D\u00f5i H\u00e0nh Vi<\/h3>\n<p style=\"text-align: justify;\">M\u1ed9t trong nh\u1eefng r\u1ee7i ro l\u1edbn nh\u1ea5t khi d\u00f9ng DNS m\u1eb7c \u0111\u1ecbnh l\u00e0 h\u00e0nh vi duy\u1ec7t web c\u1ee7a b\u1ea1n b\u1ecb l\u01b0u v\u1ebft. Nhi\u1ec1u ISP c\u00f3 th\u1ec3 l\u01b0u l\u1ea1i to\u00e0n b\u1ed9 l\u1ecbch s\u1eed truy v\u1ea5n DNS c\u1ee7a kh\u00e1ch h\u00e0ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 ph\u00e2n t\u00edch h\u00e0nh vi ho\u1eb7c qu\u1ea3ng c\u00e1o. Cloudflare cam k\u1ebft b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch kh\u00f4ng ghi l\u1ea1i \u0111\u1ecba ch\u1ec9 IP y\u00eau c\u1ea7u l\u00ean \u0111\u0129a c\u1ee9ng v\u00e0 cam k\u1ebft x\u00f3a m\u1ecdi nh\u1eadt k\u00fd giao d\u1ecbch trong v\u00f2ng 24 gi\u1edd. H\u1ec7 th\u1ed1ng c\u1ee7a h\u1ecd c\u0169ng h\u1ed7 tr\u1ee3 c\u00e1c ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a ti\u00ean ti\u1ebfn nh\u01b0 DNS over HTTPS (DoH) v\u00e0 DNS over TLS (DoT), ng\u0103n ch\u1eb7n ho\u00e0n to\u00e0n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng nghe l\u00e9n ho\u1eb7c gi\u1ea3 m\u1ea1o DNS (DNS spoofing) t\u1eeb c\u00e1c t\u00e1c nh\u00e2n trung gian.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">V\u01b0\u1ee3t Qua C\u00e1c R\u00e0o C\u1ea3n Ch\u1eb7n T\u00ean Mi\u1ec1n<\/h3>\n<p style=\"text-align: justify;\">C\u00e1c nh\u00e0 m\u1ea1ng n\u1ed9i \u0111\u1ecba th\u01b0\u1eddng \u00e1p d\u1ee5ng bi\u1ec7n ph\u00e1p ch\u1eb7n truy c\u1eadp \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 trang web n\u01b0\u1edbc ngo\u00e0i, d\u1ecbch v\u1ee5 qu\u1ed1c t\u1ebf ho\u1eb7c c\u00e1c n\u1ec1n t\u1ea3ng gi\u1ea3i tr\u00ed b\u1eb1ng c\u00e1ch \u0111\u1ecbnh tuy\u1ebfn sai l\u1ec7ch \u0111\u1ecba ch\u1ec9 IP t\u1ea1i m\u00e1y ch\u1ee7 DNS c\u1ee7a h\u1ecd (DNS Poisoning\/Hijacking). B\u1eb1ng c\u00e1ch chuy\u1ec3n c\u1ea5u h\u00ecnh DNS tr\u00ean thi\u1ebft b\u1ecb sang 1.1.1.1, b\u1ea1n s\u1ebd b\u1ecf qua b\u1ed9 l\u1ecdc ph\u00e2n gi\u1ea3i c\u1ee7a ISP, truy v\u1ea5n tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u g\u1ed1c c\u1ee7a Cloudflare \u0111\u1ec3 l\u1ea5y IP chu\u1ea9n v\u00e0 truy c\u1eadp v\u00e0o c\u00e1c website b\u1ecb ch\u1eb7n m\u1ed9t c\u00e1ch b\u00ecnh th\u01b0\u1eddng.<\/p>\n<h2 id=\"section3\" style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">3. So S\u00e1nh DNS 1.1.1.1 vs DNS Google 8.8.8.8 v\u00e0 DNS Nh\u00e0 M\u1ea1ng Vi\u1ec7t Nam<\/h2>\n<p style=\"text-align: justify;\">\u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn kh\u00e1ch quan tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thay \u0111\u1ed5i c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng, ch\u00fang ta c\u1ea7n \u0111\u1eb7t c\u00e1c gi\u1ea3i ph\u00e1p DNS ph\u1ed5 bi\u1ebfn l\u00ean b\u00e0n c\u00e2n so s\u00e1nh d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3.<\/p>\n<div style=\"overflow-x: auto; margin: 25px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; text-align: left; font-size: 15px; color: #374151;\">\n<thead>\n<tr style=\"background-color: #1e3a8a; color: white;\">\n<th style=\"padding: 12px; border: 1px solid #D1D5DB;\">Ti\u00eau Ch\u00ed So S\u00e1nh<\/th>\n<th style=\"padding: 12px; border: 1px solid #D1D5DB;\">DNS Cloudflare (1.1.1.1)<\/th>\n<th style=\"padding: 12px; border: 1px solid #D1D5DB;\">DNS Google (8.8.8.8)<\/th>\n<th style=\"padding: 12px; border: 1px solid #D1D5DB;\">DNS Nh\u00e0 M\u1ea1ng Trong N\u01b0\u1edbc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background-color: #f9fafb;\">\n<td style=\"padding: 12px; border: 1px solid #D1D5DB; font-weight: 600;\">\u0110\u1ecba Ch\u1ec9 IP C\u1ea5u H\u00ecnh<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">IPv4: 1.1.1.1 \/ 1.0.0.1<br \/>\nIPv6: 2606:4700:4700::1111<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">IPv4: 8.8.8.8 \/ 8.8.4.4<br \/>\nIPv6: 2001:4860:4860::8888<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">T\u1ef1 \u0111\u1ed9ng c\u1ea5p ph\u00e1t qua giao th\u1ee9c DHCP t\u00f9y theo t\u1eebng ISP<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB; font-weight: 600;\">T\u1ed1c \u0110\u1ed9 Ph\u1ea3n H\u1ed3i<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">Nhanh b\u1eadc nh\u1ea5t to\u00e0n c\u1ea7u, t\u1ed1i \u01b0u h\u00f3a \u0111\u1ecbnh tuy\u1ebfn Anycast<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">T\u1ed1c \u0111\u1ed9 cao, \u1ed5n \u0111\u1ecbnh nh\u01b0ng tr\u1ec5 h\u01a1n Cloudflare m\u1ed9t ch\u00fat<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">Trung b\u00ecnh, d\u1ec5 b\u1ecb suy hao khi ngh\u1ebdn b\u0103ng th\u00f4ng qu\u1ed1c t\u1ebf<\/td>\n<\/tr>\n<tr style=\"background-color: #f9fafb;\">\n<td style=\"padding: 12px; border: 1px solid #D1D5DB; font-weight: 600;\">B\u1ea3o M\u1eadt &amp; Ri\u00eang T\u01b0<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">X\u00f3a log trong v\u00f2ng 24 gi\u1edd, cam k\u1ebft kh\u00f4ng b\u00e1n d\u1eef li\u1ec7u<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">L\u01b0u log t\u1ea1m th\u1eddi v\u00e0 d\u00e0i h\u1ea1n ph\u1ee5c v\u1ee5 ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">L\u01b0u tr\u1eef l\u1ecbch s\u1eed truy c\u1eadp \u0111\u1ea7y \u0111\u1ee7 theo quy \u0111\u1ecbnh qu\u1ea3n l\u00fd<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB; font-weight: 600;\">Kh\u1ea3 N\u0103ng V\u01b0\u1ee3t Ch\u1eb7n<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">R\u1ea5t t\u1ed1t, b\u1ecf qua h\u1ea7u h\u1ebft c\u00e1c b\u1ed9 l\u1ecdc ch\u1eb7n c\u1ea5p DNS<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">Kh\u00e1 t\u1ed1t, tuy nhi\u00ean m\u1ed9t s\u1ed1 d\u1ea3i IP c\u1ee7a Google c\u00f3 th\u1ec3 b\u1ecb l\u1ecdc<\/td>\n<td style=\"padding: 12px; border: 1px solid #D1D5DB;\">Kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t ch\u1eb7n do tr\u1ef1c ti\u1ebfp th\u1ef1c thi ch\u00ednh s\u00e1ch ch\u1eb7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"section4\" style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">4. H\u01b0\u1edbng D\u1eabn C\u00e1ch \u0110\u1ed5i DNS 1.1.1.1 Tr\u00ean M\u1ecdi Thi\u1ebft B\u1ecb<\/h2>\n<p style=\"text-align: justify;\">Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i sang DNS 1.1.1.1 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u00f4ng qua giao di\u1ec7n \u0111\u1ed3 h\u1ecda (GUI) ho\u1eb7c b\u1eb1ng c\u00e1c d\u00f2ng l\u1ec7nh qu\u1ea3n tr\u1ecb. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eebng b\u01b0\u1edbc cho t\u1eebng h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u1ee5 th\u1ec3.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">C\u1ea5u H\u00ecnh Tr\u00ean H\u1ec7 \u0110i\u1ec1u H\u00e0nh Windows 10 v\u00e0 Windows 11<\/h3>\n<p style=\"text-align: justify;\">\u0110\u1ec3 c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng tr\u00ean Windows qua giao di\u1ec7n Control Panel truy\u1ec1n th\u1ed1ng:<\/p>\n<ol style=\"padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\">Nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm <code>Windows + R<\/code>, nh\u1eadp l\u1ec7nh <code>ncpa.cpl<\/code> v\u00e0 nh\u1ea5n Enter \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 Network Connections.<\/li>\n<li style=\"margin-bottom: 10px;\">Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o card m\u1ea1ng \u0111ang k\u1ebft n\u1ed1i (Ethernet ho\u1eb7c Wi-Fi) v\u00e0 ch\u1ecdn <strong>Properties<\/strong>.<\/li>\n<li style=\"margin-bottom: 10px;\">T\u00ecm \u0111\u1ebfn m\u1ee5c <strong>Internet Protocol Version 4 (TCP\/IPv4)<\/strong>, nh\u1ea5p \u0111\u00fap v\u00e0o \u0111\u00f3.<\/li>\n<li style=\"margin-bottom: 10px;\">T\u00edch ch\u1ecdn \u00f4 <strong>Use the following DNS server addresses<\/strong> v\u00e0 nh\u1eadp c\u00e1c th\u00f4ng s\u1ed1:- Preferred DNS server: <code>1.1.1.1<\/code>\n<p>&#8211; Alternate DNS server: <code>1.0.0.1<\/code><\/li>\n<li style=\"margin-bottom: 10px;\">Nh\u1ea5n <strong>OK<\/strong> \u0111\u1ec3 l\u01b0u c\u1ea5u h\u00ecnh. \u0110\u1ec3 c\u1ea5u h\u00ecnh c\u00f3 hi\u1ec7u l\u1ef1c ngay l\u1eadp t\u1ee9c, m\u1edf Command Prompt v\u1edbi quy\u1ec1n Admin v\u00e0 ch\u1ea1y l\u1ec7nh: <code>ipconfig \/flushdns<\/code><\/li>\n<\/ol>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">C\u1ea5u H\u00ecnh Nhanh B\u1eb1ng PowerShell Tr\u00ean Windows<\/h3>\n<p style=\"text-align: justify;\">\u0110\u1ed1i v\u1edbi c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng ho\u1eb7c nh\u1eefng ai th\u00edch s\u1eed d\u1ee5ng d\u00f2ng l\u1ec7nh, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y PowerShell v\u1edbi quy\u1ec1n Administrator v\u00e0 th\u1ef1c thi c\u00e2u l\u1ec7nh sau \u0111\u1ec3 g\u00e1n nhanh DNS Cloudflare cho card m\u1ea1ng c\u00f3 t\u00ean &#8220;Wi-Fi&#8221;:<\/p>\n<pre style=\"background-color: #f3f4f6; padding: 15px; border-radius: 8px; border: 1px solid #E5E7EB; overflow-x: auto; font-family: Courier, monospace; font-size: 14px; margin-bottom: 25px;\">Set-DnsClientServerAddress -InterfaceAlias \"Wi-Fi\" -ServerAddresses (\"1.1.1.1\",\"1.0.0.1\")<\/pre>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">C\u1ea5u H\u00ecnh Tr\u00ean macOS<\/h3>\n<ol style=\"padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\">Nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Qu\u1ea3 t\u00e1o \u1edf g\u00f3c tr\u00e1i m\u00e0n h\u00ecnh v\u00e0 ch\u1ecdn <strong>System Settings<\/strong> (C\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng).<\/li>\n<li style=\"margin-bottom: 10px;\">Di chuy\u1ec3n \u0111\u1ebfn m\u1ee5c <strong>Network<\/strong> \u1edf thanh b\u00ean tr\u00e1i, nh\u1ea5p ch\u1ecdn d\u1ecbch v\u1ee5 m\u1ea1ng \u0111ang ho\u1ea1t \u0111\u1ed9ng (v\u00ed d\u1ee5: Wi-Fi), sau \u0111\u00f3 ch\u1ecdn n\u00fat <strong>Details<\/strong> (Chi ti\u1ebft) b\u00ean c\u1ea1nh m\u1ea1ng \u0111ang k\u1ebft n\u1ed1i.<\/li>\n<li style=\"margin-bottom: 10px;\">Ch\u1ecdn tab <strong>DNS<\/strong> \u1edf danh s\u00e1ch b\u00ean tr\u00e1i. \u1ede khung DNS Servers, nh\u1ea5n n\u00fat d\u1ea5u c\u1ed9ng <code>+<\/code> \u0111\u1ec3 th\u00eam hai \u0111\u1ecba ch\u1ec9: <code>1.1.1.1<\/code> v\u00e0 <code>1.0.0.1<\/code>.<\/li>\n<li style=\"margin-bottom: 10px;\">Nh\u1ea5n <strong>OK<\/strong> r\u1ed3i ch\u1ecdn <strong>Apply<\/strong> \u0111\u1ec3 \u00e1p d\u1ee5ng c\u1ea5u h\u00ecnh m\u1edbi.<\/li>\n<\/ol>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">C\u1ea5u H\u00ecnh Tr\u00ean H\u1ec7 \u0110i\u1ec1u H\u00e0nh Linux (Ubuntu\/Debian)<\/h3>\n<p style=\"text-align: justify;\">Tr\u00ean m\u00f4i tr\u01b0\u1eddng Linux Server ho\u1eb7c Desktop s\u1eed d\u1ee5ng systemd-resolved, c\u1ea5u h\u00ecnh tr\u1ef1c ti\u1ebfp file <code>\/etc\/resolv.conf<\/code> \u0111\u00f4i khi s\u1ebd b\u1ecb ghi \u0111\u00e8 sau khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i. Ph\u01b0\u01a1ng ph\u00e1p chu\u1ea9n nh\u1ea5t l\u00e0 c\u1ea5u h\u00ecnh th\u00f4ng qua file c\u1ea5u h\u00ecnh Netplan ho\u1eb7c t\u1ec7p tin c\u1ea5u h\u00ecnh d\u1ecbch v\u1ee5 resolved.<\/p>\n<p style=\"text-align: justify;\">C\u00e1ch thi\u1ebft l\u1eadp v\u0129nh vi\u1ec5n th\u00f4ng qua systemd-resolved:<\/p>\n<ol style=\"padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\">M\u1edf t\u1ec7p c\u1ea5u h\u00ecnh b\u1eb1ng tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n:<code>sudo nano \/etc\/systemd\/resolved.conf<\/code><\/li>\n<li style=\"margin-bottom: 10px;\">T\u00ecm d\u00f2ng ch\u1ee9a tham s\u1ed1 <code>DNS=<\/code> (n\u1ebfu c\u00f3 d\u1ea5u th\u0103ng <code>#<\/code> \u1edf \u0111\u1ea7u, h\u00e3y x\u00f3a n\u00f3 \u0111i \u0111\u1ec3 b\u1ecf ch\u00fa th\u00edch) v\u00e0 s\u1eeda th\u00e0nh:<code>DNS=1.1.1.1 1.0.0.1<\/code><\/li>\n<li style=\"margin-bottom: 10px;\">L\u01b0u l\u1ea1i t\u1ec7p tin (trong nano nh\u1ea5n <code>Ctrl + O<\/code>, sau \u0111\u00f3 nh\u1ea5n <code>Enter<\/code> \u0111\u1ec3 l\u01b0u v\u00e0 <code>Ctrl + X<\/code> \u0111\u1ec3 tho\u00e1t).<\/li>\n<li style=\"margin-bottom: 10px;\">Kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 \u0111\u1ec3 c\u1ea5u h\u00ecnh c\u00f3 hi\u1ec7u l\u1ef1c:<code>sudo systemctl restart systemd-resolved<\/code><\/li>\n<\/ol>\n<h2 id=\"section5\" style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">5. Ph\u00e2n Bi\u1ec7t DNS 1.1.1.1 V\u00e0 \u1ee8ng D\u1ee5ng WARP 1.1.1.1<\/h2>\n<p style=\"text-align: justify;\">Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng nh\u1ea7m l\u1eabn gi\u1eefa vi\u1ec7c thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 DNS 1.1.1.1 th\u1ee7 c\u00f4ng v\u00e0 vi\u1ec7c c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng mang t\u00ean &#8220;1.1.1.1: Faster &amp; Safer Internet&#8221; (hay c\u00f2n g\u1ecdi l\u00e0 \u1ee9ng d\u1ee5ng WARP) tr\u00ean thi\u1ebft b\u1ecb di \u0111\u1ed9ng. V\u1ec1 b\u1ea3n ch\u1ea5t, \u0111\u00e2y l\u00e0 hai gi\u1ea3i ph\u00e1p c\u00f3 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">DNS 1.1.1.1 Th\u00f4ng Th\u01b0\u1eddng<\/h3>\n<p style=\"text-align: justify;\">Gi\u1ea3i ph\u00e1p n\u00e0y ch\u1ec9 x\u1eed l\u00fd ph\u1ea7n bi\u00ean d\u1ecbch t\u00ean mi\u1ec1n th\u00e0nh IP. Sau khi ph\u00e2n gi\u1ea3i xong \u0111\u1ecba ch\u1ec9 \u0111\u00edch, to\u00e0n b\u1ed9 lu\u1ed3ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u (Data Traffic) gi\u1eefa thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n v\u00e0 m\u00e1y ch\u1ee7 \u0111\u00edch v\u1eabn di chuy\u1ec3n tr\u00ean h\u1ea1 t\u1ea7ng m\u1ea1ng internet c\u00f4ng c\u1ed9ng th\u00f4ng th\u01b0\u1eddng, kh\u00f4ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1edfi Cloudflare v\u00e0 hi\u1ec3n th\u1ecb \u0111\u1ecba ch\u1ec9 IP th\u1ef1c c\u1ee7a b\u1ea1n v\u1edbi m\u00e1y ch\u1ee7 \u0111\u00edch.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">\u1ee8ng D\u1ee5ng WARP 1.1.1.1<\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p m\u1ea1ng ri\u00eang \u1ea3o (VPN) \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a d\u1ef1a tr\u00ean giao th\u1ee9c m\u00e3 h\u00f3a WireGuard hi\u1ec7n \u0111\u1ea1i. Khi k\u00edch ho\u1ea1t WARP, \u1ee9ng d\u1ee5ng s\u1ebd t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng b\u1ea3o m\u1eadt (Tunnel) m\u00e3 h\u00f3a to\u00e0n b\u1ed9 l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111i ra t\u1eeb thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, chuy\u1ec3n ti\u1ebfp ch\u00fang \u0111\u1ebfn h\u1ea1 t\u1ea7ng m\u1ea1ng l\u00f5i to\u00e0n c\u1ea7u c\u1ee7a Cloudflare tr\u01b0\u1edbc khi \u0111i ra internet.<\/p>\n<p style=\"text-align: justify;\">L\u1ee3i \u00edch c\u1ee7a WARP l\u00e0 b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng trung gian khi s\u1eed d\u1ee5ng Wi-Fi c\u00f4ng c\u1ed9ng v\u00e0 \u1ea9n \u0111\u1ecba ch\u1ec9 IP th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n. Tuy nhi\u00ean, do d\u1eef li\u1ec7u ph\u1ea3i \u0111i qua qu\u00e1 tr\u00ecnh m\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 li\u00ean t\u1ee5c, t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i t\u1ec7p tin dung l\u01b0\u1ee3ng l\u1edbn c\u00f3 th\u1ec3 b\u1ecb suy gi\u1ea3m nh\u1eb9 so v\u1edbi vi\u1ec7c ch\u1ec9 thay \u0111\u1ed5i DNS th\u00f4ng th\u01b0\u1eddng.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; background-color: #fff; border: 1.5px solid #BFDBFE; box-shadow: 0 8px 20px rgba(37,99,235,0.08); border-radius: 12px; overflow: hidden; margin: 35px 0;\">\n<div style=\"flex: 1; min-width: 250px; background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 100%); display: flex; align-items: center; justify-content: center; padding: 30px; text-align: center;\">\n<div>\n<p style=\"color: white; font-size: 34px; font-family: 'Be Vietnam Pro', sans-serif; font-weight: bold; margin: 0; line-height: 1.1;\">CLOUD SERVER<\/p>\n<p style=\"color: #dbeafe; font-size: 15px; font-weight: 600; margin-top: 12px;\">Hi\u1ec7u N\u0103ng V\u01b0\u1ee3t Tr\u1ed9i \u00b7 \u1ed4n \u0110\u1ecbnh Cao<\/p>\n<\/div>\n<\/div>\n<div style=\"flex: 2; padding: 25px; min-width: 300px;\">\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; margin-top: 0; font-size: 20px;\">H\u1ea1 T\u1ea7ng \u0110i\u1ec7n To\u00e1n \u0110\u00e1m M\u00e2y Cho Doanh Nghi\u1ec7p<\/h3>\n<p style=\"text-align: justify; font-size: 15px; margin-bottom: 15px;\">D\u00e0nh cho c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi n\u0103ng l\u1ef1c x\u1eed l\u00fd t\u1ea3i c\u1ef1c l\u1edbn, kh\u1ea3 n\u0103ng co gi\u00e3n linh ho\u1ea1t t\u1ee9c th\u00ec v\u00e0 ph\u00e2n ph\u1ed1i n\u1ed9i dung th\u00f4ng su\u1ed1t. B\u1ea3o v\u1ec7 d\u1eef li\u1ec7u v\u1edbi c\u01a1 ch\u1ebf sao l\u01b0u t\u1ef1 \u0111\u1ed9ng v\u00e0 h\u1ea1 t\u1ea7ng b\u1ea3o m\u1eadt v\u1eadt l\u00fd cao c\u1ea5p.<\/p>\n<p><a style=\"background: linear-gradient(90deg, #2563EB 0%, #1E3A8A 100%); color: white; padding: 12px 25px; text-decoration: none; font-weight: 600; border-radius: 8px; font-size: 15px; display: inline-block; box-shadow: 0 5px 15px rgba(37,99,235,0.3);\" href=\"https:\/\/interdata.vn\/cloud-server\/\" target=\"_blank\" rel=\"noopener\">\u0110\u0102NG K\u00dd CLOUD SERVER \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<h2 id=\"section6\" style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">6. Ch\u1ea9n \u0110o\u00e1n V\u00e0 Kh\u1eafc Ph\u1ee5c L\u1ed7i DNS Th\u01b0\u1eddng G\u1eb7p Khi C\u1ea5u H\u00ecnh<\/h2>\n<p style=\"text-align: justify;\">Kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o qu\u00e1 tr\u00ecnh \u0111\u1ed5i DNS c\u0169ng di\u1ec5n ra su\u00f4n s\u1ebb. C\u00f3 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p c\u1ea5u h\u00ecnh xong thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n b\u1ecb m\u1ea5t ho\u00e0n to\u00e0n k\u1ebft n\u1ed1i internet ho\u1eb7c t\u1ed1c \u0111\u1ed9 truy c\u1eadp gi\u1ea3m \u0111i r\u00f5 r\u1ec7t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch ch\u1ea9n \u0111o\u00e1n v\u00e0 kh\u1eafc ph\u1ee5c.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">L\u1ed7i &#8220;DNS Server Not Responding&#8221; Ho\u1eb7c M\u1ea5t M\u1ea1ng Ho\u00e0n To\u00e0n<\/h3>\n<p style=\"text-align: justify;\"><strong>Tri\u1ec7u ch\u1ee9ng:<\/strong> Tr\u00ecnh duy\u1ec7t b\u00e1o l\u1ed7i kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i m\u1ea1ng d\u00f9 bi\u1ec3u t\u01b0\u1ee3ng m\u1ea1ng v\u1eabn s\u00e1ng, ho\u1eb7c c\u00f4ng c\u1ee5 Windows Network Diagnostics b\u00e1o l\u1ed7i &#8220;DNS Server Not Responding&#8221;.<\/p>\n<p style=\"text-align: justify;\"><strong>Nguy\u00ean nh\u00e2n:<\/strong> Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi modem\/router c\u1ee7a b\u1ea1n ho\u1eb7c t\u01b0\u1eddng l\u1eeda h\u1ec7 th\u1ed1ng ch\u1eb7n c\u00e1c g\u00f3i tin DNS g\u1eedi ra c\u1ed5ng ngo\u1ea1i vi (Port 53) ngo\u00e0i ph\u1ea1m vi IP c\u1ee7a ISP, ho\u1eb7c xung \u0111\u1ed9t b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u0169 c\u1ee7a m\u00e1y t\u00ednh.<\/p>\n<p style=\"text-align: justify;\"><strong>C\u00e1ch x\u1eed l\u00fd:<\/strong><\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px; color: #1f2937;\">\n<li style=\"margin-bottom: 10px;\">M\u1edf Command Prompt v\u00e0 g\u00f5 l\u1ec7nh <code>ping 1.1.1.1<\/code>. N\u1ebfu c\u00f3 ph\u1ea3n h\u1ed3i (Reply), \u0111\u01b0\u1eddng truy\u1ec1n v\u1eadt l\u00fd t\u1edbi m\u00e1y ch\u1ee7 Cloudflare v\u1eabn th\u00f4ng su\u1ed1t.<\/li>\n<li style=\"margin-bottom: 10px;\">Ti\u1ebfn h\u00e0nh x\u00f3a b\u1ed9 \u0111\u1ec7m DNS b\u1eb1ng l\u1ec7nh: <code>ipconfig \/flushdns<\/code>. Sau \u0111\u00f3 \u0111\u1eb7t l\u1ea1i c\u1ea5u h\u00ecnh IP \u0111\u1ed9ng tr\u00ean thi\u1ebft b\u1ecb b\u1eb1ng c\u00e1ch ch\u1ea1y tu\u1ea7n t\u1ef1 hai l\u1ec7nh: <code>ipconfig \/release<\/code> v\u00e0 <code>ipconfig \/renew<\/code>.<\/li>\n<li style=\"margin-bottom: 10px;\">Ki\u1ec3m tra xem ph\u1ea7n m\u1ec1m di\u1ec7t virus ho\u1eb7c Windows Defender Firewall c\u00f3 \u0111ang k\u00edch ho\u1ea1t t\u00ednh n\u0103ng &#8220;DNS Protection&#8221; hay ch\u1eb7n c\u1ed5ng truy\u1ec1n d\u1eef li\u1ec7u ra b\u00ean ngo\u00e0i hay kh\u00f4ng. H\u00e3y th\u1eed v\u00f4 hi\u1ec7u h\u00f3a t\u1ea1m th\u1eddi \u0111\u1ec3 ki\u1ec3m th\u1eed l\u1ea1i k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 20px; font-weight: bold; margin-top: 30px; margin-bottom: 15px;\">L\u1ed7i R\u00f2 R\u1ec9 DNS (DNS Leak)<\/h3>\n<p style=\"text-align: justify;\"><strong>Tri\u1ec7u ch\u1ee9ng:<\/strong> D\u00f9 \u0111\u00e3 c\u1ea5u h\u00ecnh DNS 1.1.1.1 nh\u01b0ng khi ki\u1ec3m tra th\u00f4ng tin \u0111\u1ecbnh danh b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn, h\u1ec7 th\u1ed1ng v\u1eabn ghi nh\u1eadn b\u1ea1n \u0111ang g\u1eedi truy v\u1ea5n th\u00f4ng qua m\u00e1y ch\u1ee7 DNS c\u1ee7a nh\u00e0 m\u1ea1ng ISP n\u1ed9i \u0111\u1ecba.<\/p>\n<p style=\"text-align: justify;\"><strong>Nguy\u00ean nh\u00e2n:<\/strong> Do thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111ang c\u1ea5u h\u00ecnh \u0111\u1ed3ng th\u1eddi nhi\u1ec1u card m\u1ea1ng (v\u00ed d\u1ee5 Wi-Fi song song v\u1edbi m\u1ea1ng LAN) ho\u1eb7c card m\u1ea1ng \u1ea3o c\u1ee7a VPN \u0111\u00e8 l\u00ean c\u1ea5u h\u00ecnh DNS c\u1ee7a h\u1ec7 th\u1ed1ng v\u1eadt l\u00fd.<\/p>\n<p style=\"text-align: justify;\"><strong>C\u00e1ch x\u1eed l\u00fd:<\/strong> T\u1eaft b\u1edbt c\u00e1c card m\u1ea1ng kh\u00f4ng s\u1eed d\u1ee5ng. Ki\u1ec3m tra l\u1ea1i c\u1ea5u h\u00ecnh IPv6 c\u1ee7a thi\u1ebft b\u1ecb. Nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea5u h\u00ecnh IPv4 cho DNS 1.1.1.1 nh\u01b0ng gi\u1eef nguy\u00ean c\u1ea5u h\u00ecnh IPv6 t\u1ef1 \u0111\u1ed9ng c\u1ee7a nh\u00e0 m\u1ea1ng, d\u1eabn \u0111\u1ebfn vi\u1ec7c thi\u1ebft b\u1ecb \u01b0u ti\u00ean truy v\u1ea5n DNS qua d\u1ea3i IPv6 c\u1ee7a ISP. H\u00e3y \u0111\u1ea3m b\u1ea3o nh\u1eadp \u0111\u00fang DNS IPv6 c\u1ee7a Cloudflare l\u00e0 <code>2606:4700:4700::1111<\/code>.<\/p>\n<h2 id=\"section7\" style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 24px; font-weight: bold; text-align: left; border-left: 5px solid #2563EB; padding-left: 15px; margin-top: 40px; margin-bottom: 20px; line-height: 1.4;\">7. C\u00e1c C\u00e2u H\u1ecfi Th\u01b0\u1eddng G\u1eb7p (FAQ) V\u1ec1 DNS 1.1.1.1<\/h2>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 25px; margin-bottom: 10px;\">\u0110\u1ed5i sang DNS 1.1.1.1 c\u00f3 gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i file (download) kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">DNS ch\u1ec9 gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian t\u00ecm \u0111\u01b0\u1eddng \u0111i \u0111\u1ebfn m\u00e1y ch\u1ee7 ph\u00e2n ph\u1ed1i n\u1ed9i dung (latency). Sau khi k\u1ebft n\u1ed1i \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, t\u1ed1c \u0111\u1ed9 t\u1ea3i t\u1ec7p tin nhanh hay ch\u1eadm ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o b\u0103ng th\u00f4ng v\u1eadt l\u00fd g\u00f3i c\u01b0\u1edbc internet c\u1ee7a b\u1ea1n v\u00e0 hi\u1ec7u n\u0103ng truy\u1ec1n t\u1ea3i c\u1ee7a m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef t\u1ec7p tin \u0111\u00f3.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 25px; margin-bottom: 10px;\">DNS 1.1.1.1 c\u00f3 an to\u00e0n cho c\u00e1c giao d\u1ecbch ng\u00e2n h\u00e0ng tr\u1ef1c tuy\u1ebfn kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">H\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i DNS c\u1ee7a Cloudflare ho\u00e0n to\u00e0n an to\u00e0n v\u00e0 h\u1ed7 tr\u1ee3 m\u00e3 h\u00f3a b\u1ea3o m\u1eadt c\u1ea5p cao. N\u00f3 ng\u0103n ch\u1eb7n c\u00e1c h\u00ecnh th\u1ee9c t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o trang web b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o tr\u1ea3 v\u1ec1 \u0111\u00fang \u0111\u1ecba ch\u1ec9 IP m\u00e1y ch\u1ee7 c\u1ee7a ng\u00e2n h\u00e0ng, gi\u00fap b\u1ea1n tr\u00e1nh kh\u1ecfi c\u00e1c nguy c\u01a1 l\u1eeba \u0111\u1ea3o tr\u1ef1c tuy\u1ebfn.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 25px; margin-bottom: 10px;\">T\u1ea1i sao \u0111\u1ed5i DNS 1.1.1.1 v\u1eabn kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 trang web b\u1ecb ch\u1eb7n?<\/h3>\n<p style=\"text-align: justify;\">M\u1ed9t s\u1ed1 nh\u00e0 m\u1ea1ng \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u1eb7n s\u00e2u v\u00e0 kh\u1eaft khe h\u01a1n nh\u01b0 ch\u1eb7n d\u1ea3i IP tr\u1ef1c ti\u1ebfp (IP Blocking) ho\u1eb7c l\u1ecdc g\u00f3i tin d\u1ef1a tr\u00ean ti\u00eau \u0111\u1ec1 SNI (Server Name Indication). Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ch\u1ec9 thay \u0111\u1ed5i DNS l\u00e0 ch\u01b0a \u0111\u1ee7, b\u1ea1n c\u1ea7n k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng gi\u1ea3i ph\u00e1p VPN nh\u01b0 \u1ee9ng d\u1ee5ng WARP \u0111\u1ec3 m\u00e3 h\u00f3a to\u00e0n b\u1ed9 d\u1eef li\u1ec7u truy\u1ec1n t\u1ea3i.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 25px; margin-bottom: 10px;\">C\u00f3 n\u00ean k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng song song DNS 1.1.1.1 v\u00e0 DNS Google 8.8.8.8 kh\u00f4ng?<\/h3>\n<p style=\"text-align: justify;\">Ho\u00e0n to\u00e0n c\u00f3 th\u1ec3. B\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp DNS ch\u00ednh (Preferred DNS) l\u00e0 <code>1.1.1.1<\/code> v\u00e0 DNS ph\u1ee5 (Alternate DNS) l\u00e0 <code>8.8.8.8<\/code>. C\u00e1ch c\u1ea5u h\u00ecnh n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n h\u01b0\u1edbng truy v\u1ea5n sang m\u00e1y ch\u1ee7 Google \u0111\u1ec3 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c n\u1ebfu m\u00e1y ch\u1ee7 Cloudflare g\u1eb7p s\u1ef1 c\u1ed1 c\u1ee5c b\u1ed9.<\/p>\n<h3 style=\"font-family: 'Be Vietnam Pro', sans-serif; color: #1e3a8a; font-size: 18px; font-weight: bold; margin-top: 25px; margin-bottom: 10px;\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra xem thi\u1ebft b\u1ecb \u0111\u00e3 th\u1ef1c s\u1ef1 nh\u1eadn DNS 1.1.1.1 ch\u01b0a?<\/h3>\n<p style=\"text-align: justify;\">B\u1ea1n h\u00e3y truy c\u1eadp v\u00e0o trang ki\u1ec3m tra ch\u00ednh th\u1ee9c c\u1ee7a Cloudflare t\u1ea1i \u0111\u01b0\u1eddng d\u1eabn <code>1.1.1.1\/help<\/code>. H\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng qu\u00e9t tr\u1ea1ng th\u00e1i k\u1ebft n\u1ed1i v\u00e0 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 chi ti\u1ebft xem thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n c\u00f3 \u0111ang s\u1eed d\u1ee5ng DNS 1.1.1.1 v\u00e0 c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt \u0111i k\u00e8m hay kh\u00f4ng.<\/p>\n<div style=\"border-top: 2px dashed #BFDBFE; margin-top: 50px; padding-top: 30px;\">\n<p style=\"text-align: justify;\">S\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 <strong>dns 1.1.1.1<\/strong> l\u00e0 b\u01b0\u1edbc c\u0103n b\u1ea3n gi\u00fap gi\u1ea3i quy\u1ebft c\u00e1c r\u1eafc r\u1ed1i v\u1ec1 t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i v\u00e0 b\u1ea3o m\u1eadt th\u00f4ng tin tr\u1ef1c tuy\u1ebfn. Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u1eadn h\u00e0nh n\u1ec1n t\u1ea3ng s\u1ed1, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng l\u01b0\u1edbi ph\u1ea3i \u0111i \u0111\u00f4i v\u1edbi x\u00e2y d\u1ef1ng m\u1ed9t h\u1ea1 t\u1ea7ng l\u01b0u tr\u1eef m\u1ea1nh m\u1ebd \u0111\u1ec3 gi\u1eef ch\u00e2n kh\u00e1ch h\u00e0ng.<\/p>\n<div style=\"background: #EFF6FF; border: 1px solid #2563EB; padding: 30px; margin-top: 25px; border-radius: 12px; text-align: center;\">\n<p style=\"font-family: 'Be Vietnam Pro', sans-serif; font-size: 20px; font-weight: bold; color: #1e3a8a; margin-top: 0;\">Kh\u1edfi T\u1ea1o H\u1ea1 T\u1ea7ng Ri\u00eang V\u1edbi VPS InterData<\/p>\n<p style=\"font-size: 15px; margin-bottom: 20px; color: #4b5563;\">S\u1edf h\u1eefu ngay gi\u1ea3i ph\u00e1p m\u00e1y ch\u1ee7 \u1ea3o chuy\u00ean nghi\u1ec7p ph\u1ee5c v\u1ee5 c\u00f4ng vi\u1ec7c l\u1eadp tr\u00ecnh, ch\u1ea1y \u1ee9ng d\u1ee5ng v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u hi\u1ec7u n\u0103ng cao.<\/p>\n<p><a style=\"background: #2563EB; color: #ffffff; padding: 12px 30px; text-decoration: none; font-weight: 600; border-radius: 6px; display: inline-block;\" href=\"https:\/\/interdata.vn\/thue-vps\/\" target=\"_blank\" rel=\"noopener\">\u0110\u0102NG K\u00dd THU\u00ca VPS NGAY \u27f6<\/a><\/p>\n<\/div>\n<\/div>\n<p style=\"text-align: justify; font-size: 13px; font-style: italic; color: #6b7280; margin-top: 30px; border-top: 1px solid #E5E7EB; padding-top: 15px;\"><span style=\"font-size: 100%;\"><em>C\u00e1c th\u00f4ng tin h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt, c\u00e2u l\u1ec7nh c\u1ea5u h\u00ecnh v\u00e0 th\u00f4ng s\u1ed1 h\u1ec7 th\u1ed1ng trong b\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n d\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n. C\u1ea5u h\u00ecnh th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh, tr\u00ecnh c\u1eadp nh\u1eadt ph\u1ea7n c\u1ee9ng v\u00e0 h\u1ea1 t\u1ea7ng m\u1ea1ng c\u1ee7a t\u1eebng khu v\u1ef1c. Ng\u01b0\u1eddi d\u00f9ng n\u00ean th\u1ef1c hi\u1ec7n sao l\u01b0u c\u00e1c thi\u1ebft l\u1eadp m\u1ea1ng hi\u1ec7n h\u00e0nh tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thay \u0111\u1ed5i c\u1ea5u h\u00ecnh tr\u00ean h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf.<\/em><\/span><\/p>\n\n\n<style>\n.interdata-plan-carousel{--blue:#005bea;--blue-dark:#004dcc;--text:#071832;--border:#d8e6fb;--bg:#f3f8ff;container-type:inline-size;background:var(--bg);padding:14px 12px;overflow:hidden}\n.interdata-carousel-heading{color:#003fbd;font-size:18px;line-height:1.35;font-weight:800;text-align:center;margin:0 0 14px}\n.interdata-plan-track{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 0 8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}\n.interdata-plan-track::-webkit-scrollbar{display:none}\n.interdata-plan-card,.interdata-plan-card *{box-sizing:border-box}\n.interdata-plan-card{flex:0 0 calc(25% - 9px);min-width:205px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px 14px 14px;min-height:382px;display:flex;flex-direction:column;scroll-snap-align:start;box-shadow:0 5px 14px rgba(0,62,145,.08)}\n.interdata-plan-title{color:var(--blue-dark);font-size:17px;line-height:1.25;font-weight:800;text-align:center;margin:0 0 8px}\n.interdata-plan-price{color:var(--blue-dark);font-size:32px;line-height:1;font-weight:900;text-align:center;margin-bottom:14px;white-space:nowrap;letter-spacing:0}\n.interdata-plan-price span{font-size:12px;font-weight:800;margin-left:2px}\n.interdata-plan-badge{align-self:center;display:inline-flex;align-items:center;justify-content:center;background:#ff3934;color:#fff;border-radius:5px;padding:8px 10px;font-size:10px;line-height:1;font-weight:800;margin-bottom:18px;white-space:nowrap}\n.interdata-plan-features{list-style:none!important;padding:0!important;margin:0!important}\n.interdata-plan-features li{display:flex;gap:8px;align-items:flex-start;color:var(--text);font-size:13px;line-height:1.35;font-weight:700;text-align:left;margin:0 0 11px!important;padding:0!important}\n.interdata-plan-icon{width:15px;min-width:15px;height:15px;color:#0069ff;margin-top:2px}\n.interdata-plan-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}\n.interdata-plan-spacer{flex:1}\n.interdata-plan-button{display:flex;align-items:center;justify-content:center;min-height:44px;width:100%;background:var(--blue);color:#fff!important;border-radius:5px;font-size:14px;font-weight:800;text-decoration:none!important;box-shadow:0 7px 14px rgba(0,91,234,.24);transition:transform .2s ease,background .2s ease}\n.interdata-plan-button:hover{background:var(--blue-dark);color:#fff!important;transform:translateY(-1px)}\n@container (max-width:860px){.interdata-plan-card{flex-basis:calc(33.333% - 8px);min-width:205px}}\n@container (max-width:640px){.interdata-plan-card{flex-basis:calc(50% - 7px);min-width:215px}}\n@container (max-width:480px){.interdata-plan-carousel{padding:12px 10px}.interdata-carousel-heading{font-size:16px}.interdata-plan-card{flex-basis:86%;min-width:235px}.interdata-plan-price{font-size:31px}}\n@media (max-width:360px){.interdata-plan-card{flex-basis:90%;min-width:220px}.interdata-plan-price{font-size:29px}.interdata-plan-badge{font-size:9px}}\n<\/style>\n\n<div class=\"interdata-plan-carousel\">\n  <div class=\"interdata-carousel-heading\"><span style=\"font-family: Roboto, sans-serif; color: red;\">Si\u00eau \u01afu \u0110\u00e3i VPS \/ CLOUD SERVER - Ti\u1ebft Ki\u1ec7m \u0110\u1ebfn 70%<\/span><\/div>\n\n  <svg width=\"0\" height=\"0\" style=\"position:absolute;visibility:hidden\" aria-hidden=\"true\">\n    <symbol id=\"id-icon-cpu\" viewBox=\"0 0 24 24\"><rect x=\"7\" y=\"7\" width=\"10\" height=\"10\" rx=\"2\"><\/rect><path d=\"M4 9h3M4 15h3M17 9h3M17 15h3M9 4v3M15 4v3M9 17v3M15 17v3\"><\/path><path d=\"M10 10h4v4h-4z\"><\/path><\/symbol>\n    <symbol id=\"id-icon-ram\" viewBox=\"0 0 24 24\"><rect x=\"4\" y=\"8\" width=\"16\" height=\"8\" rx=\"2\"><\/rect><path d=\"M7 16v2M11 16v2M15 16v2M19 16v2M7 11h1M11 11h1M15 11h1\"><\/path><\/symbol>\n    <symbol id=\"id-icon-storage\" viewBox=\"0 0 24 24\"><rect x=\"6\" y=\"3\" width=\"12\" height=\"18\" rx=\"2\"><\/rect><path d=\"M9 7h6\"><\/path><circle cx=\"12\" cy=\"16\" r=\"1.5\"><\/circle><\/symbol>\n    <symbol id=\"id-icon-network\" viewBox=\"0 0 24 24\"><path d=\"M5 12.5a10 10 0 0 1 14 0\"><\/path><path d=\"M8.5 16a5 5 0 0 1 7 0\"><\/path><path d=\"M12 19h.01\"><\/path><\/symbol>\n    <symbol id=\"id-icon-gift\" viewBox=\"0 0 24 24\"><rect x=\"3\" y=\"8\" width=\"18\" height=\"13\" rx=\"2\"><\/rect><path d=\"M12 8v13M3 12h18\"><\/path><path d=\"M7.5 8C6.1 8 5 6.9 5 5.5S6.1 3 7.5 3C10 3 12 8 12 8\"><\/path><path d=\"M16.5 8C17.9 8 19 6.9 19 5.5S17.9 3 16.5 3C14 3 12 8 12 8\"><\/path><\/symbol>\n  <\/svg>\n\n  <div class=\"interdata-plan-track\">\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">BD - Starter<\/h3>\n      <div class=\"interdata-plan-price\">699K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>1 vCPU Intel Xeon<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>2 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>20 GB NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 100 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/interdata-day-2026\/bd-starter\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Premium Base<\/h3>\n      <div class=\"interdata-plan-price\">999K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>3 vCore Intel Xeon<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>3 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>30 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cyber-week-2026\/premium-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">BD - Personal<\/h3>\n      <div class=\"interdata-plan-price\">1.456K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>2 vCPU AMD 7H12<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>4 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>40 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 300 Mbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/interdata-day-2026\/bd-personal\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n\n    <article class=\"interdata-plan-card\">\n      <h3 class=\"interdata-plan-title\">Cloud-Day - Base<\/h3>\n      <div class=\"interdata-plan-price\">2.666K<span>\/n\u0103m<\/span><\/div>\n      <div class=\"interdata-plan-badge\">GIA H\u1ea0N KH\u00d4NG \u0110\u1ed4I GI\u00c1<\/div>\n      <ul class=\"interdata-plan-features\">\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-gift\"><\/use><\/svg><\/span>T\u1eb7ng 80 GB S3 v\u00e0 1 N\u0102M S\u1eec D\u1ee4NG khi mua 2 n\u0103m tr\u1edf l\u00ean<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-cpu\"><\/use><\/svg><\/span>4 vCPU AMD EPYC<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-ram\"><\/use><\/svg><\/span>6 GB RAM<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-storage\"><\/use><\/svg><\/span>60 GB SSD NVMe U.2<\/li>\n        <li><span class=\"interdata-plan-icon\"><svg><use href=\"#id-icon-network\"><\/use><\/svg><\/span>Network: 10 Gbps<\/li>\n      <\/ul>\n      <div class=\"interdata-plan-spacer\"><\/div>\n      <a class=\"interdata-plan-button\" href=\"https:\/\/support.interdata.vn\/index.php?rp=\/store\/cloud-day-by-interdata-2026\/cloud-day-base\" target=\"_blank\" rel=\"nofollow sponsored noopener\">\u0110\u0103ng k\u00fd ngay<\/a>\n    <\/article>\n  <\/div>\n<\/div>\n\n\t<div id=\"gap-1636946379\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1636946379 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n","protected":false},"excerpt":{"rendered":"<p>N\u1ebfu b\u1ea1n \u0111ang \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng truy c\u1eadp website ch\u1eadp ch\u1eddn ho\u1eb7c b\u1ecb gi\u1edbi h\u1ea1n \u0111\u01b0\u1eddng truy\u1ec1n b\u1edfi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng n\u1ed9i \u0111\u1ecba, thay \u0111\u1ed5i c\u1ea5u h\u00ecnh sang dns 1.1.1.1 ch\u00ednh l\u00e0 ph\u01b0\u01a1ng \u00e1n t\u1ed1i \u01b0u ph\u1ea7n c\u1ee9ng \u0111\u1ea7u tay. D\u1ecbch v\u1ee5 ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n c\u00f4ng c\u1ed9ng do<\/p>\n","protected":false},"author":2,"featured_media":41849,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[],"class_list":["post-41848","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bao-mat-an-ninh-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=41848"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41848\/revisions"}],"predecessor-version":[{"id":41864,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/41848\/revisions\/41864"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/41849"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=41848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=41848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=41848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}