{"id":36570,"date":"2025-12-10T13:45:17","date_gmt":"2025-12-10T06:45:17","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=36570"},"modified":"2025-12-10T13:46:03","modified_gmt":"2025-12-10T06:46:03","slug":"dns-8-8-8-8-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/","title":{"rendered":"DNS 8.8.8.8 l\u00e0 g\u00ec? So v\u1edbi 1.1.1.1 &#038; C\u00e1ch \u0111\u1ed5i 8.8.8.8 tr\u00ean Win, Mac, Adr"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#DNS-8888-la-gi\" >DNS 8.8.8.8 l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Tai-sao-nen-su-dung-DNS-Google-8888\" >T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng DNS Google (8.8.8.8)?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Uu-diem-cua-DNS-8888-Google\" >\u01afu \u0111i\u1ec3m c\u1ee7a DNS 8.8.8.8 Google<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Toc-do-phan-hoi-nhanh\" >T\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Tinh-on-dinh-cao\" >T\u00ednh \u1ed5n \u0111\u1ecbnh cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Bypass-loi-DNS-nha-mang\" >Bypass l\u1ed7i DNS nh\u00e0 m\u1ea1ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Nhuoc-diem-cua-DNS-8888-Google\" >Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a DNS 8.8.8.8 Google<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Rui-ro-ve-quyen-rieng-tu\" >R\u1ee7i ro v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Khong-phai-ISP-nao-cung-tuong-thich-tot\" >Kh\u00f4ng ph\u1ea3i ISP n\u00e0o c\u0169ng t\u01b0\u01a1ng th\u00edch t\u1ed1t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#So-sanh-DNS-8888-voi-1111-va-DNS-khac\" >So s\u00e1nh DNS 8.8.8.8 v\u1edbi 1.1.1.1 v\u00e0 DNS kh\u00e1c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#So-sanh-DNS-8888-voi-Cloudflare-DNS-1111\" >So s\u00e1nh DNS 8.8.8.8 v\u1edbi Cloudflare DNS (1.1.1.1)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#So-sanh-DNS-8888-voi-DNS-nha-mang-Viet-Nam\" >So s\u00e1nh DNS 8.8.8.8 v\u1edbi DNS nh\u00e0 m\u1ea1ng Vi\u1ec7t Nam<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#DNS-Google-co-an-toan-khi-su-dung-khong\" >DNS Google c\u00f3 an to\u00e0n khi s\u1eed d\u1ee5ng kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#DNS-Google-co-nhanh-hon-DNS-mac-dinh-khong\" >DNS Google c\u00f3 nhanh h\u01a1n DNS m\u1eb7c \u0111\u1ecbnh kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Co-nen-dung-DNS-8888-tai-Viet-Nam\" >C\u00f3 n\u00ean d\u00f9ng DNS 8.8.8.8 t\u1ea1i Vi\u1ec7t Nam?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Khi-nao-nen-dung\" >Khi n\u00e0o n\u00ean d\u00f9ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Khi-nao-khong-nen-dung\" >Khi n\u00e0o kh\u00f4ng n\u00ean d\u00f9ng?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Luu-y-quan-trong-truoc-khi-doi-sang-DNS-8888\" >L\u01b0u \u00fd quan tr\u1ecdng tr\u01b0\u1edbc khi \u0111\u1ed5i sang DNS 8.8.8.8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Cach-doi-DNS-8888-tren-Windows\" >C\u00e1ch \u0111\u1ed5i DNS 8.8.8.8 tr\u00ean Windows<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Cach-thiet-lap-DNS-8888-tren-Windows-10\" >C\u00e1ch thi\u1ebft l\u1eadp DNS 8.8.8.8 tr\u00ean Windows 10<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Cach-thiet-lap-DNS-8888-tren-Windows-11\" >C\u00e1ch thi\u1ebft l\u1eadp DNS 8.8.8.8 tr\u00ean Windows 11<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Cach-doi-DNS-8888-tren-macOS\" >C\u00e1ch \u0111\u1ed5i DNS 8.8.8.8 tr\u00ean macOS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/#Cach-doi-DNS-8888-tren-Android\" >C\u00e1ch \u0111\u1ed5i DNS 8.8.8.8 tr\u00ean Android<\/a><\/li><\/ul><\/nav><\/div>\n<p>Khi <a href=\"https:\/\/interdata.vn\/blog\/mang-internet\/\">m\u1ea1ng Internet<\/a> \u0111\u1ed9t nhi\u00ean ch\u1eadm, kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c <a href=\"https:\/\/interdata.vn\/blog\/website-la-gi\/\">website<\/a> ho\u1eb7c g\u1eb7p l\u1ed7i <a href=\"https:\/\/interdata.vn\/blog\/dns-la-gi\/\">DNS<\/a>, nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng \u0111\u01b0\u1ee3c khuy\u00ean \u201ch\u00e3y \u0111\u1ed5i sang DNS 8.8.8.8 cho \u1ed5n \u0111\u1ecbnh h\u01a1n\u201d. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1ecba ch\u1ec9 DNS ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay v\u00e0 \u0111\u01b0\u1ee3c xem nh\u01b0 \u201cc\u1ee9u c\u00e1nh\u201d m\u1ed7i khi k\u1ebft n\u1ed1i g\u1eb7p v\u1ea5n \u0111\u1ec1.<\/p>\n<p>V\u1eady <a href=\"https:\/\/interdata.vn\/blog\/dns-8-8-8-8-la-gi\/\"><strong>Google<\/strong> <strong>DNS 8.8.8.8 l\u00e0 g\u00ec<\/strong><\/a>, t\u1ea1i sao l\u1ea1i \u0111\u01b0\u1ee3c h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng tr\u00ean th\u1ebf gi\u1edbi l\u1ef1a ch\u1ecdn v\u00e0 n\u00f3 th\u1ef1c s\u1ef1 mang l\u1ea1i l\u1ee3i \u00edch g\u00ec cho t\u1ed1c \u0111\u1ed9 truy c\u1eadp Internet? C\u00f9ng t\u00ecm hi\u1ec3u l\u00fd do n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn quen thu\u1ed9c c\u1ee7a ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam, so s\u00e1nh DNS 8.8.8.8 v\u1edbi 1.1.1.1 v\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch \u0111\u1ed5i DNS 8.8.8.8 tr\u00ean Windows, Android, macOS chi ti\u1ebft.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-8888-la-gi\"><\/span>DNS 8.8.8.8 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>DNS 8.8.8.8<\/strong> l\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/dia-chi-ip-la-gi\/\">\u0111\u1ecba ch\u1ec9 IP<\/a> ch\u00ednh c\u1ee7a <strong>h\u1ec7 th\u1ed1ng <a href=\"https:\/\/interdata.vn\/blog\/may-chu-server-la-gi\/\">m\u00e1y ch\u1ee7<\/a> ph\u00e2n gi\u1ea3i <a href=\"https:\/\/interdata.vn\/blog\/domain-la-gi\/\">t\u00ean mi\u1ec1n<\/a> c\u00f4ng c\u1ed9ng mi\u1ec5n ph\u00ed<\/strong> do Google cung c\u1ea5p (Google Public DNS). D\u1ecbch v\u1ee5 n\u00e0y ra m\u1eaft t\u1eeb n\u0103m 2009 v\u1edbi m\u1ee5c ti\u00eau l\u00e0m cho web nhanh h\u01a1n v\u00e0 an to\u00e0n h\u01a1n. B\u00ean c\u1ea1nh \u0111\u1ecba ch\u1ec9 ch\u00ednh 8.8.8.8, Google c\u00f2n cung c\u1ea5p m\u1ed9t \u0111\u1ecba ch\u1ec9 ph\u1ee5 (Secondary IP) l\u00e0 8.8.4.4 \u0111\u1ec3 d\u1ef1 ph\u00f2ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-36609\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-la-gi.jpg\" alt=\"DNS 8.8.8.8 l\u00e0 g\u00ec\" width=\"800\" height=\"450\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-la-gi-300x169.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-la-gi-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, \u0111\u00e2y l\u00e0 \u0111\u1ecba ch\u1ec9 thu\u1ed9c giao th\u1ee9c <a href=\"https:\/\/interdata.vn\/blog\/ipv4-la-gi\/\">IPv4<\/a>. N\u1ebfu m\u1ea1ng c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng giao th\u1ee9c m\u1edbi h\u01a1n l\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/ipv6-la-gi\/\">IPv6<\/a>, \u0111\u1ecba ch\u1ec9 DNS c\u1ee7a Google s\u1ebd l\u00e0:<\/p>\n<ul>\n<li>2001:4860:4860::8888<\/li>\n<li>2001:4860:4860::8844<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t: <strong>\u0110\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7<\/strong> <strong>DNS 8.8.8.8<\/strong>\u00a0l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 trung gian c\u1ee7a Google gi\u00fap thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n t\u00ecm \u0111\u01b0\u1eddng \u0111\u1ebfn c\u00e1c trang web nhanh h\u01a1n v\u00e0 ch\u00ednh x\u00e1c h\u01a1n so v\u1edbi DNS m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00e0 m\u1ea1ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tai-sao-nen-su-dung-DNS-Google-8888\"><\/span>T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng DNS Google (8.8.8.8)?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng internet t\u1ea1i Vi\u1ec7t Nam khi \u0111\u0103ng k\u00fd m\u1ea1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 (ISP) nh\u01b0 Viettel, VNPT hay FPT c\u00e0i \u0111\u1eb7t s\u1eb5n DNS m\u1eb7c \u0111\u1ecbnh. Tuy nhi\u00ean, h\u1ec7 th\u1ed1ng DNS m\u1eb7c \u0111\u1ecbnh n\u00e0y \u0111\u00f4i khi g\u1eb7p s\u1ef1 c\u1ed1 qu\u00e1 t\u1ea3i, d\u1eabn \u0111\u1ebfn vi\u1ec7c truy c\u1eadp web b\u1ecb ch\u1eadm ho\u1eb7c kh\u00f4ng t\u00ecm th\u1ea5y \u0111\u1ecba ch\u1ec9 trang web.<\/p>\n<p>Vi\u1ec7c chuy\u1ec3n sang s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 8.8.8.8 DNS c\u1ee7a Google mang l\u1ea1i ba l\u1ee3i \u00edch c\u1ed1t l\u00f5i khi\u1ebfn h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng tin t\u01b0\u1edfng:<\/p>\n<ol>\n<li><strong>C\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 l\u01b0\u1edbt web:<\/strong> V\u1edbi h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 \u0111\u1eb7t t\u1ea1i kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi, Google Public DNS gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 (<a href=\"https:\/\/interdata.vn\/blog\/latency-la-gi\/\">latency<\/a>) trong qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n. Th\u1eddi gian ch\u1edd \u0111\u1ee3i \u0111\u1ec3 tr\u00ecnh duy\u1ec7t b\u1eaft \u0111\u1ea7u t\u1ea3i trang s\u1ebd ng\u1eafn h\u01a1n \u0111\u00e1ng k\u1ec3.<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt:<\/strong> Google \u00e1p d\u1ee5ng c\u00e1c c\u01a1 ch\u1ebf b\u1ea3o m\u1eadt ti\u00ean ti\u1ebfn \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o (spoofing) v\u00e0 t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (<a href=\"https:\/\/interdata.vn\/blog\/ddos-la-gi\/\">DDoS<\/a>), gi\u00fap ng\u01b0\u1eddi d\u00f9ng tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c b\u1ecb chuy\u1ec3n h\u01b0\u1edbng sang c\u00e1c trang web \u0111\u1ed9c h\u1ea1i.<\/li>\n<li><strong>Truy c\u1eadp kh\u00f4ng gi\u1edbi h\u1ea1n:<\/strong> \u0110\u00e2y l\u00e0 l\u00fd do ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam. S\u1eed d\u1ee5ng DNS 8.8.8.8 gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng truy c\u1eadp v\u00e0o c\u00e1c website b\u1ecb ch\u1eb7n b\u1edfi <a href=\"https:\/\/interdata.vn\/blog\/tuong-lua-firewall\/\">t\u01b0\u1eddng l\u1eeda<\/a> c\u1ee7a nh\u00e0 m\u1ea1ng ho\u1eb7c c\u00e1c d\u1ecbch v\u1ee5 qu\u1ed1c t\u1ebf g\u1eb7p kh\u00f3 kh\u0103n khi k\u1ebft n\u1ed1i.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Uu-diem-cua-DNS-8888-Google\"><\/span>\u01afu \u0111i\u1ec3m c\u1ee7a DNS 8.8.8.8 Google<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi \u0111\u00e3 n\u1eafm r\u00f5 kh\u00e1i ni\u1ec7m \u0111\u1ecba ch\u1ec9 <strong>DNS 8.8.8.8 l\u00e0 g\u00ec<\/strong>, ch\u00fang ta h\u00e3y ph\u00e2n t\u00edch s\u00e2u h\u01a1n v\u1ec1 nh\u1eefng l\u1ee3i th\u1ebf k\u1ef9 thu\u1eadt m\u00e0 h\u1ec7 th\u1ed1ng n\u00e0y mang l\u1ea1i cho tr\u1ea3i nghi\u1ec7m internet c\u1ee7a b\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Toc-do-phan-hoi-nhanh\"><\/span>T\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i nhanh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Google s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111\u1ecbnh tuy\u1ebfn Anycast. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 khi b\u1ea1n g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn 8.8.8.8, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n y\u00eau c\u1ea7u \u0111\u00f3 \u0111\u1ebfn m\u00e1y ch\u1ee7 Google g\u1ea7n v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a b\u1ea1n nh\u1ea5t.<\/p>\n<p>T\u1ea1i Vi\u1ec7t Nam, Google c\u00f3 c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1eb7t t\u1ea1i Hong Kong, Singapore v\u00e0 ngay trong n\u01b0\u1edbc (th\u00f4ng qua c\u00e1c \u0111i\u1ec3m hi\u1ec7n di\u1ec7n &#8211; PoP). Nh\u1edd v\u1eady, qu\u00e3ng \u0111\u01b0\u1eddng d\u1eef li\u1ec7u di chuy\u1ec3n \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn t\u1ed1i \u0111a, gi\u1ea3m ch\u1ec9 s\u1ed1 Ping, gi\u00fap vi\u1ec7c ch\u01a1i game online hay xem video 4K tr\u1edf n\u00ean m\u01b0\u1ee3t m\u00e0 h\u01a1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-36610\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Uu-diem-cua-DNS-8.8.8.8.jpg\" alt=\"\u01afu \u0111i\u1ec3m c\u1ee7a DNS 8.8.8.8\" width=\"800\" height=\"533\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Uu-diem-cua-DNS-8.8.8.8.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Uu-diem-cua-DNS-8.8.8.8-300x200.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Uu-diem-cua-DNS-8.8.8.8-768x512.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tinh-on-dinh-cao\"><\/span>T\u00ednh \u1ed5n \u0111\u1ecbnh cao<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Google s\u1edf h\u1eefu h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y (Cloud) m\u1ea1nh m\u1ebd b\u1eadc nh\u1ea5t th\u1ebf gi\u1edbi. Kh\u1ea3 n\u0103ng <a href=\"https:\/\/interdata.vn\/blog\/uptime-la-gi\/\">uptime<\/a> (th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng) c\u1ee7a Google Public DNS g\u1ea7n nh\u01b0 \u0111\u1ea1t 100%. R\u1ea5t hi\u1ebfm khi ng\u01b0\u1eddi d\u00f9ng g\u1eb7p t\u00ecnh tr\u1ea1ng &#8220;r\u1edbt m\u1ea1ng&#8221; do l\u1ed7i t\u1eeb ph\u00eda m\u00e1y ch\u1ee7 DNS c\u1ee7a Google.<\/p>\n<p>Trong c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u1ee9t c\u00e1p quang bi\u1ec3n AAG hay APG th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra t\u1ea1i Vi\u1ec7t Nam, DNS 8.8.8.8 th\u01b0\u1eddng \u0111\u1ecbnh tuy\u1ebfn l\u1ea1i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp qua c\u00e1c \u0111\u01b0\u1eddng c\u00e1p kh\u00e1c th\u00f4ng minh h\u01a1n so v\u1edbi DNS c\u1ee7a nh\u00e0 m\u1ea1ng n\u1ed9i \u0111\u1ecba, gi\u00fap duy tr\u00ec k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Bypass-loi-DNS-nha-mang\"><\/span>Bypass l\u1ed7i DNS nh\u00e0 m\u1ea1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t t\u00ecnh hu\u1ed1ng g\u00e2y kh\u00f3 ch\u1ecbu cho ng\u01b0\u1eddi d\u00f9ng l\u00e0 l\u1ed7i &#8220;DNS Server Not Responding&#8221; t\u1eeb ph\u00eda nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet. Khi DNS c\u1ee7a nh\u00e0 m\u1ea1ng b\u1ecb treo ho\u1eb7c qu\u00e1 t\u1ea3i, b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 truy c\u1eadp b\u1ea5t k\u1ef3 trang web n\u00e0o d\u00f9 \u0111\u00e8n <a href=\"https:\/\/interdata.vn\/blog\/modem-la-gi\/\">modem<\/a> v\u1eabn s\u00e1ng.<\/p>\n<p>L\u00fac n\u00e0y, vi\u1ec7c chuy\u1ec3n sang DNS 8.8.8.8 l\u00e0 gi\u1ea3i ph\u00e1p s\u1eeda l\u1ed7i t\u1ee9c th\u00ec, gi\u00fap thi\u1ebft b\u1ecb b\u1ecf qua h\u1ec7 th\u1ed1ng l\u1ed7i c\u1ee7a nh\u00e0 m\u1ea1ng v\u00e0 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi internet th\u00f4ng qua c\u1ed5ng c\u1ee7a Google.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nhuoc-diem-cua-DNS-8888-Google\"><\/span>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a DNS 8.8.8.8 Google<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb chuy\u00ean cung c\u1ea5p gi\u1ea3i ph\u00e1p m\u00e1y ch\u1ee7 v\u00e0 d\u1eef li\u1ec7u, InterData lu\u00f4n mu\u1ed1n cung c\u1ea5p c\u00e1i nh\u00ecn \u0111a chi\u1ec1u. B\u00ean c\u1ea1nh nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i, ng\u01b0\u1eddi d\u00f9ng c\u0169ng c\u1ea7n c\u00e2n nh\u1eafc m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf khi t\u00ecm hi\u1ec3u <strong>DNS 8.8.8.8 l\u00e0 g\u00ec<\/strong>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Rui-ro-ve-quyen-rieng-tu\"><\/span>R\u1ee7i ro v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1eb7c d\u00f9 Google cam k\u1ebft kh\u00f4ng s\u1eed d\u1ee5ng d\u1eef li\u1ec7u t\u1eeb Public DNS \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch qu\u1ea3ng c\u00e1o c\u00e1 nh\u00e2n h\u00f3a, nh\u01b0ng t\u1eadp \u0111o\u00e0n n\u00e0y v\u1eabn ghi l\u1ea1i nh\u1eadt k\u00fd (log) <a href=\"https:\/\/interdata.vn\/blog\/query-la-gi\/\">truy v\u1ea5n<\/a> c\u1ee7a ng\u01b0\u1eddi d\u00f9ng trong kho\u1ea3ng th\u1eddi gian t\u1eeb 24 \u0111\u1ebfn 48 gi\u1edd. D\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt.<\/p>\n<p>V\u1edbi nh\u1eefng ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec1 cao s\u1ef1 \u1ea9n danh tuy\u1ec7t \u0111\u1ed1i v\u00e0 kh\u00f4ng mu\u1ed1n b\u1ea5t k\u1ef3 &#8220;\u00f4ng l\u1edbn&#8221; c\u00f4ng ngh\u1ec7 n\u00e0o bi\u1ebft m\u00ecnh \u0111ang truy c\u1eadp trang web n\u00e0o, \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t \u0111i\u1ec3m tr\u1eeb.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khong-phai-ISP-nao-cung-tuong-thich-tot\"><\/span>Kh\u00f4ng ph\u1ea3i ISP n\u00e0o c\u0169ng t\u01b0\u01a1ng th\u00edch t\u1ed1t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea1i m\u1ed9t s\u1ed1 khu v\u1ef1c \u0111\u1ecba l\u00fd \u0111\u1eb7c th\u00f9 \u1edf Vi\u1ec7t Nam, vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ebfn m\u00e1y ch\u1ee7 Google c\u00f3 th\u1ec3 \u0111i \u0111\u01b0\u1eddng v\u00f2ng xa h\u01a1n so v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a nh\u00e0 m\u1ea1ng. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n \u0111ang d\u00f9ng m\u1ea1ng c\u1ee7a m\u1ed9t ISP nh\u1ecf t\u1ea1i v\u00f9ng s\u00e2u v\u00f9ng xa, vi\u1ec7c k\u1ebft n\u1ed1i \u0111\u1ebfn DNS c\u1ee7a Google \u0111\u1eb7t t\u1ea1i Singapore c\u00f3 th\u1ec3 g\u00e2y ra \u0111\u1ed9 tr\u1ec5 cao h\u01a1n so v\u1edbi d\u00f9ng DNS m\u1eb7c \u0111\u1ecbnh.<\/p>\n<p>Do \u0111\u00f3, &#8220;th\u1ea7n ch\u00fa&#8221; 8.8.8.8 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u00fang trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-DNS-8888-voi-1111-va-DNS-khac\"><\/span>So s\u00e1nh DNS 8.8.8.8 v\u1edbi 1.1.1.1 v\u00e0 DNS kh\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u1ecb tr\u01b0\u1eddng DNS c\u00f4ng c\u1ed9ng hi\u1ec7n nay l\u00e0 cu\u1ed9c \u0111ua song m\u00e3 gi\u1eefa \u0111\u1ecba ch\u1ec9 Google (8.8.8.8) v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/cloudflare-la-gi\/\">Cloudflare<\/a> (1.1.1.1). D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh \u0111\u1ec3 b\u1ea1n d\u1ec5 h\u00ecnh dung:<\/p>\n<table style=\"width: 100%; max-width: 900px; border-collapse: collapse; font-family: Arial,Helvetica,sans-serif; margin: 16px 0; box-shadow: 0 6px 18px rgba(4,151,252,0.08); border-radius: 8px; overflow: hidden; border: 1px solid rgba(12,64,244,0.12);\">\n<thead>\n<tr>\n<th style=\"padding: 14px 12px; text-align: left; color: #fff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.12);\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 14px 12px; text-align: left; color: #fff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.12);\">Google Public DNS (8.8.8.8)<\/th>\n<th style=\"padding: 14px 12px; text-align: left; color: #fff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.12);\">Cloudflare DNS (1.1.1.1)<\/th>\n<th style=\"padding: 14px 12px; text-align: left; color: #fff; background: linear-gradient(90deg,#0C40F4 0%,#077FFA 50%,#0497FC 100%); font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.12);\">DNS Nh\u00e0 m\u1ea1ng (Viettel\/VNPT\/FPT)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px; text-align: left; background: #ffffff; font-weight: 600; border-bottom: 1px solid #eef6ff; width: 22%;\">T\u1ed1c \u0111\u1ed9<\/td>\n<td style=\"padding: 12px; text-align: left; background: linear-gradient(180deg, rgba(12,64,244,0.03), rgba(4,151,252,0.02)); border-bottom: 1px solid #eef6ff;\">R\u1ea5t nhanh, \u1ed5n \u0111\u1ecbnh<\/td>\n<td style=\"padding: 12px; text-align: left; background: linear-gradient(180deg, rgba(7,127,250,0.03), rgba(4,151,252,0.02)); border-bottom: 1px solid #eef6ff;\">C\u1ef1c nhanh (th\u01b0\u1eddng nhanh h\u01a1n Google kho\u1ea3ng v\u00e0i ms)<\/td>\n<td style=\"padding: 12px; text-align: left; background: linear-gradient(180deg, rgba(4,151,252,0.03), rgba(4,151,252,0.01)); border-bottom: 1px solid #eef6ff;\">Nhanh trong n\u01b0\u1edbc nh\u01b0ng ch\u1eadm qu\u1ed1c t\u1ebf<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; text-align: left; background: #fbfdff; font-weight: 600; border-bottom: 1px solid #eef6ff;\">B\u1ea3o m\u1eadt<\/td>\n<td style=\"padding: 12px; text-align: left; background: #ffffff; border-bottom: 1px solid #eef6ff;\">Ch\u1ed1ng DDoS t\u1ed1t, l\u1ecdc web l\u1eeba \u0111\u1ea3o<\/td>\n<td style=\"padding: 12px; text-align: left; background: linear-gradient(180deg, rgba(12,64,244,0.01), rgba(7,127,250,0.02)); border-bottom: 1px solid #eef6ff;\">Cam k\u1ebft quy\u1ec1n ri\u00eang t\u01b0 cao, x\u00f3a log sau 24h<\/td>\n<td style=\"padding: 12px; text-align: left; background: #ffffff; border-bottom: 1px solid #eef6ff;\">C\u01a1 b\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; text-align: left; background: #fbfdff; font-weight: 600; border-bottom: 1px solid #eef6ff;\">\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh<\/td>\n<td style=\"padding: 12px; text-align: left; background: linear-gradient(180deg, rgba(7,127,250,0.02), rgba(4,151,252,0.01)); border-bottom: 1px solid #eef6ff;\">R\u1ea5t cao (Global)<\/td>\n<td style=\"padding: 12px; text-align: left; background: #ffffff; border-bottom: 1px solid #eef6ff;\">Cao<\/td>\n<td style=\"padding: 12px; text-align: left; background: linear-gradient(180deg, rgba(12,64,244,0.01), rgba(4,151,252,0.01)); border-bottom: 1px solid #eef6ff;\">Ph\u1ee5 thu\u1ed9c h\u1ea1 t\u1ea7ng t\u1eebng khu v\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px; text-align: left; background: #ffffff; font-weight: 600; border-bottom: 0;\">Kh\u1ea3 n\u0103ng Unblock<\/td>\n<td style=\"padding: 12px; text-align: left; background: #fbfdff; border-bottom: 0;\">T\u1ed1t<\/td>\n<td style=\"padding: 12px; text-align: left; background: linear-gradient(180deg, rgba(4,151,252,0.01), rgba(7,127,250,0.01)); border-bottom: 0;\">T\u1ed1t<\/td>\n<td style=\"padding: 12px; text-align: left; background: #ffffff; border-bottom: 0;\">Th\u1ea5p (th\u01b0\u1eddng ch\u1eb7n theo quy \u0111\u1ecbnh)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"So-sanh-DNS-8888-voi-Cloudflare-DNS-1111\"><\/span>So s\u00e1nh DNS 8.8.8.8 v\u1edbi Cloudflare DNS (1.1.1.1)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cloudflare ra m\u1eaft d\u1ecbch v\u1ee5 1.1.1.1 mu\u1ed9n h\u01a1n nh\u01b0ng t\u1eadp trung m\u1ea1nh v\u00e0o t\u1ed1c \u0111\u1ed9 v\u00e0 quy\u1ec1n ri\u00eang t\u01b0. Theo c\u00e1c s\u1ed1 li\u1ec7u, 1.1.1.1 th\u01b0\u1eddng gi\u1eef v\u1ecb tr\u00ed s\u1ed1 1 v\u1ec1 t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i to\u00e0n c\u1ea7u.<\/p>\n<p>Tuy nhi\u00ean, Google (8.8.8.8) l\u1ea1i c\u00f3 \u0111\u1ed9 ph\u1ee7 r\u1ed9ng h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t h\u01a1n v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 trong h\u1ec7 sinh th\u00e1i Google (YouTube, Gmail, Google Drive). N\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 c\u1ee7a Google, 8.8.8.8 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u h\u01a1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-36620\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-voi-Cloudflare-DNS-1.1.1.1.jpg\" alt=\"DNS 8.8.8.8 v\u1edbi Cloudflare DNS (1.1.1.1)\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-voi-Cloudflare-DNS-1.1.1.1.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-voi-Cloudflare-DNS-1.1.1.1-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/DNS-8.8.8.8-voi-Cloudflare-DNS-1.1.1.1-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"So-sanh-DNS-8888-voi-DNS-nha-mang-Viet-Nam\"><\/span>So s\u00e1nh DNS 8.8.8.8 v\u1edbi DNS nh\u00e0 m\u1ea1ng Vi\u1ec7t Nam<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>DNS c\u1ee7a nh\u00e0 m\u1ea1ng (ISP) nh\u01b0 Viettel, VNPT hay FPT c\u00f3 l\u1ee3i th\u1ebf l\u00e0 m\u00e1y ch\u1ee7 \u0111\u1eb7t ngay t\u1ea1i tr\u1ea1m trung chuy\u1ec3n \u0111\u1ecba ph\u01b0\u01a1ng, cho t\u1ed1c \u0111\u1ed9 truy c\u1eadp c\u00e1c trang n\u1ed9i \u0111\u1ecba (b\u00e1o ch\u00ed, trang tin trong n\u01b0\u1edbc) r\u1ea5t nhanh.<\/p>\n<p>Tuy nhi\u00ean, \u0111i\u1ec3m y\u1ebfu l\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh tuy\u1ebfn qu\u1ed1c t\u1ebf k\u00e9m khi \u0111\u1ee9t c\u00e1p v\u00e0 th\u01b0\u1eddng xuy\u00ean ch\u1eb7n truy c\u1eadp v\u00e0o m\u1ed9t s\u1ed1 trang web game ho\u1eb7c m\u1ea1ng x\u00e3 h\u1ed9i. Thay \u0111\u1ed5i sang 8.8.8.8 gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c tri\u1ec7t \u0111\u1ec3 c\u00e1c h\u1ea1n ch\u1ebf n\u00e0y c\u1ee7a DNS nh\u00e0 m\u1ea1ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Google-co-an-toan-khi-su-dung-khong\"><\/span>DNS Google c\u00f3 an to\u00e0n khi s\u1eed d\u1ee5ng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hai m\u00e1y ch\u1ee7 DNS c\u1ee7a Google d\u00f9 \u0111\u01b0\u1ee3c cung c\u1ea5p mi\u1ec5n ph\u00ed cho m\u1ecdi ng\u01b0\u1eddi d\u00f9ng nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o m\u1ee9c \u0111\u1ed9 an to\u00e0n cao. Ch\u00fang kh\u00f4ng t\u00edch h\u1ee3p th\u00eam c\u00e1c t\u00ednh n\u0103ng ch\u1eb7n hay l\u1ecdc n\u00e2ng cao.<\/p>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 m\u1ea1nh h\u01a1n, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 c\u00e0i th\u00eam c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt kh\u00e1c b\u00ean c\u1ea1nh Google DNS, ch\u1eb3ng h\u1ea1n nh\u01b0 DNSFilter \u2013 gi\u1ea3i ph\u00e1p l\u1ecdc DNS \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 h\u00e0ng \u0111\u1ea7u hi\u1ec7n nay, c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n ch\u1eb7n nguy c\u01a1 t\u1ea5n c\u00f4ng tr\u01b0\u1edbc khi ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<p>M\u1ed9t l\u1ef1a ch\u1ecdn kh\u00e1c l\u00e0 Akamai, cung c\u1ea5p c\u1ed5ng web an to\u00e0n cho ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp. Ngo\u00e0i ra, c\u00e1c ph\u1ea7n m\u1ec1m antivirus m\u1ea1nh nh\u01b0 Norton 360 c\u0169ng gi\u00fap b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb kh\u1ecfi nh\u1eefng m\u1ed1i \u0111e d\u1ecda m\u00e0 b\u1ed9 l\u1ecdc DNS c\u00f4ng c\u1ed9ng c\u1ee7a Google kh\u00f4ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DNS-Google-co-nhanh-hon-DNS-mac-dinh-khong\"><\/span>DNS Google c\u00f3 nhanh h\u01a1n DNS m\u1eb7c \u0111\u1ecbnh kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00f9 kh\u00f4ng c\u00f3 cam k\u1ebft r\u1eb1ng Google DNS lu\u00f4n nhanh h\u01a1n, nh\u01b0ng trong ph\u1ea7n l\u1edbn tr\u01b0\u1eddng h\u1ee3p, t\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n<p>M\u1ed9t ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf b\u1eb1ng c\u00e1ch \u0111o t\u1ed1c \u0111\u1ed9 truy v\u1ea5n tr\u01b0\u1edbc v\u00e0 sau khi \u0111\u1ed5i DNS, v\u00e0 k\u1ebft qu\u1ea3 cho th\u1ea5y m\u00e1y ch\u1ee7 Google DNS ch\u00ednh (8.8.8.8) nhanh h\u01a1n 10,3% so v\u1edbi DNS m\u1eb7c \u0111\u1ecbnh. M\u00e1y ch\u1ee7 ph\u1ee5 (8.8.4.4) c\u00f2n cho t\u1ed1c \u0111\u1ed9 t\u1ed1t h\u01a1n t\u1edbi 50% so v\u1edbi DNS thay th\u1ebf m\u00e0 h\u1ecd \u0111ang d\u00f9ng.<\/p>\n<p>Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y kh\u00f4ng \u00e1p d\u1ee5ng tuy\u1ec7t \u0111\u1ed1i cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi. B\u1ea1n v\u1eabn n\u00ean t\u1ef1 ch\u1ea1y th\u1eed ki\u1ec3m tra \u0111\u1ec3 xem k\u1ebft qu\u1ea3 th\u1ef1c t\u1ebf tr\u00ean m\u1ea1ng c\u1ee7a m\u00ecnh. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i hay tuy\u1ebfn truy\u1ec1n d\u1eabn c\u0169ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i DNS.<\/p>\n<p>V\u1ec1 t\u1ed5ng th\u1ec3, Google DNS th\u01b0\u1eddng c\u00f3 l\u1ee3i th\u1ebf nh\u1edd h\u1ec7 th\u1ed1ng h\u1ea1 t\u1ea7ng k\u1ebft n\u1ed1i r\u1ed9ng kh\u1eafp c\u1ee7a Google, gi\u00fap nhi\u1ec1u truy v\u1ea5n \u0111\u01b0\u1ee3c x\u1eed l\u00fd ngay \u1edf l\u1edbp m\u00e1y ch\u1ee7 g\u1ea7n nh\u1ea5t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Co-nen-dung-DNS-8888-tai-Viet-Nam\"><\/span>C\u00f3 n\u00ean d\u00f9ng DNS 8.8.8.8 t\u1ea1i Vi\u1ec7t Nam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn l\u00e0 <strong>C\u00d3<\/strong>, nh\u01b0ng c\u1ea7n t\u00f9y v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3. Hi\u1ec3u r\u00f5 <strong>DNS 8.8.8.8 l\u00e0 g\u00ec<\/strong> gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khi-nao-nen-dung\"><\/span>Khi n\u00e0o n\u00ean d\u00f9ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n n\u00ean thi\u1ebft l\u1eadp DNS 8.8.8.8 ngay l\u1eadp t\u1ee9c n\u1ebfu r\u01a1i v\u00e0o c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ul>\n<li>M\u1ea1ng internet gia \u0111\u00ecnh th\u01b0\u1eddng xuy\u00ean b\u1ecb ch\u1eadm, lag v\u00e0o c\u00e1c gi\u1edd cao \u0111i\u1ec3m (t\u1ed1i t\u1eeb 19h &#8211; 22h).<\/li>\n<li>B\u1ea1n l\u00e0 game th\u1ee7 ch\u01a1i c\u00e1c t\u1ef1a game server qu\u1ed1c t\u1ebf (PUBG, League of Legends server n\u01b0\u1edbc ngo\u00e0i) c\u1ea7n gi\u1ea3m ping.<\/li>\n<li>B\u1ea1n c\u1ea7n truy c\u1eadp v\u00e0o c\u00e1c trang web b\u1ecb nh\u00e0 m\u1ea1ng ch\u1eb7n ho\u1eb7c kh\u00f4ng th\u1ec3 t\u1ea3i \u0111\u01b0\u1ee3c.<\/li>\n<li>Tr\u00ecnh duy\u1ec7t b\u00e1o l\u1ed7i kh\u00f4ng t\u00ecm th\u1ea5y \u0111\u1ecba ch\u1ec9 IP m\u00e1y ch\u1ee7 (DNS error).<\/li>\n<\/ul>\n<h3><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-36619\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Co-nen-dung-DNS-8.8.8.8.webp\" alt=\"C\u00f3 n\u00ean d\u00f9ng DNS 8.8.8.8\" width=\"750\" height=\"450\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Co-nen-dung-DNS-8.8.8.8.webp 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Co-nen-dung-DNS-8.8.8.8-300x180.webp 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"Khi-nao-khong-nen-dung\"><\/span>Khi n\u00e0o kh\u00f4ng n\u00ean d\u00f9ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 gi\u1eef nguy\u00ean DNS m\u1eb7c \u0111\u1ecbnh ho\u1eb7c th\u1eed c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c n\u1ebfu:<\/p>\n<ul>\n<li>M\u1ea1ng internet c\u1ee7a b\u1ea1n \u0111ang ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n b\u00ecnh th\u01b0\u1eddng, t\u1ed1c \u0111\u1ed9 t\u1ea3i trang nhanh.<\/li>\n<li>B\u1ea1n ch\u1ec9 \u0111\u1ecdc b\u00e1o v\u00e0 xem tin t\u1ee9c tr\u00ean c\u00e1c trang web \u0111\u1eb7t m\u00e1y ch\u1ee7 t\u1ea1i Vi\u1ec7t Nam.<\/li>\n<li>B\u1ea1n quan ng\u1ea1i s\u00e2u s\u1eafc v\u1ec1 vi\u1ec7c Google thu th\u1eadp d\u1eef li\u1ec7u h\u00e0nh vi l\u01b0\u1edbt web (l\u00fac n\u00e0y h\u00e3y c\u00e2n nh\u1eafc 1.1.1.1).<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Luu-y-quan-trong-truoc-khi-doi-sang-DNS-8888\"><\/span>L\u01b0u \u00fd quan tr\u1ecdng tr\u01b0\u1edbc khi \u0111\u1ed5i sang DNS 8.8.8.8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi nh\u00e0 m\u1ea1ng<\/strong><\/p>\n<p>DNS 8.8.8.8 nh\u00ecn chung ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi \u0111a s\u1ed1 ISP, nh\u01b0ng \u0111\u00f4i khi vi\u1ec7c \u0111\u1ed5i DNS c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i truy c\u1eadp ho\u1eb7c gi\u1ea3m t\u1ed1c \u0111\u1ed9, \u0111\u1eb7c bi\u1ec7t khi b\u1ea1n \u0111ang s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 n\u1ed9i b\u1ed9 c\u1ee7a nh\u00e0 m\u1ea1ng.<\/p>\n<p><strong>Ch\u00ednh s\u00e1ch quy\u1ec1n ri\u00eang t\u01b0<\/strong><\/p>\n<p>Khi s\u1eed d\u1ee5ng DNS 8.8.8.8, to\u00e0n b\u1ed9 y\u00eau c\u1ea7u DNS s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn h\u1ec7 th\u1ed1ng c\u1ee7a Google. D\u00f9 Google kh\u1eb3ng \u0111\u1ecbnh kh\u00f4ng l\u01b0u d\u1eef li\u1ec7u c\u00e1 nh\u00e2n, m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng v\u1eabn lo ng\u1ea1i v\u1ec1 kh\u1ea3 n\u0103ng th\u00f4ng tin duy\u1ec7t web b\u1ecb thu th\u1eadp.<\/p>\n<p><strong>Truy c\u1eadp c\u00e1c d\u1ecbch v\u1ee5 n\u1ed9i \u0111\u1ecba<\/strong><\/p>\n<p>N\u1ebfu b\u1ea1n th\u01b0\u1eddng s\u1eed d\u1ee5ng website ho\u1eb7c d\u1ecbch v\u1ee5 c\u00f3 gi\u1edbi h\u1ea1n theo khu v\u1ef1c, vi\u1ec7c chuy\u1ec3n sang DNS 8.8.8.8 \u0111\u00f4i khi khi\u1ebfn \u0111\u1ecbnh v\u1ecb IP sai l\u1ec7ch, d\u1eabn \u0111\u1ebfn kh\u00f3 kh\u0103n trong vi\u1ec7c truy c\u1eadp nh\u1eefng d\u1ecbch v\u1ee5 n\u00e0y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach-doi-DNS-8888-tren-Windows\"><\/span><strong>C\u00e1ch \u0111\u1ed5i DNS 8.8.8.8 tr\u00ean Windows<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Cach-thiet-lap-DNS-8888-tren-Windows-10\"><\/span><strong>C\u00e1ch thi\u1ebft l\u1eadp DNS 8.8.8.8 tr\u00ean Windows 10<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 chuy\u1ec3n sang s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 DNS Google tr\u00ean Windows 10, b\u1ea1n th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf menu <strong>Start<\/strong>, sau \u0111\u00f3 truy c\u1eadp v\u00e0o <strong>Control Panel<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-36587\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vao-Control-Panel.webp\" alt=\"v\u00e0o Control Panel\" width=\"834\" height=\"735\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vao-Control-Panel.webp 834w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vao-Control-Panel-300x264.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Vao-Control-Panel-768x677.webp 768w\" sizes=\"auto, (max-width: 834px) 100vw, 834px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Ch\u1ecdn m\u1ee5c <strong>Network &amp; Internet<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Nh\u1ea5p v\u00e0o <strong>Network and Sharing Center<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> Ch\u1ecdn <strong>Change adapter settings<\/strong>, sau \u0111\u00f3 nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o m\u1ea1ng \u0111ang d\u00f9ng v\u00e0 b\u1ea5m <strong>Properties<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-36591 aligncenter\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-vao-Properties-1024x535.webp\" alt=\"Nh\u1ea5p v\u00e0o Properties\" width=\"800\" height=\"418\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-vao-Properties-1024x535.webp 1024w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-vao-Properties-300x157.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-vao-Properties-768x402.webp 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-vao-Properties.webp 1119w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 5:<\/strong> Ch\u1ecdn <strong>Internet Protocol Version 4<\/strong> (ho\u1eb7c Version 6 n\u1ebfu b\u1ea1n mu\u1ed1n thi\u1ebft l\u1eadp IPv6).<\/p>\n<p><strong>B\u01b0\u1edbc 6:<\/strong> B\u1ea5m v\u00e0o <strong>Use The Following DNS Server Addresses<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 7:<\/strong> Thay c\u00e1c \u0111\u1ecba ch\u1ec9 DNS b\u1eb1ng th\u00f4ng tin sau:<\/p>\n<ul>\n<li><strong>IPv4:<\/strong> 8.8.8.8 v\u00e0 8.8.4.4<\/li>\n<li><strong>IPv6:<\/strong> 2001:4860:4860::8888 v\u00e0 2001:4860:4860::8844<\/li>\n<\/ul>\n<p><strong>B\u01b0\u1edbc 8:<\/strong> Nh\u1ea5n <strong>OK<\/strong>, r\u1ed3i ch\u1ecdn <strong>Close<\/strong> \u0111\u1ec3 ho\u00e0n t\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cach-thiet-lap-DNS-8888-tren-Windows-11\"><\/span><strong>C\u00e1ch thi\u1ebft l\u1eadp DNS 8.8.8.8 tr\u00ean Windows 11<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1ch C\u00e1ch \u0111\u1ed5i DNS Google Win 11 r\u1ea5t \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n theo 8 b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Windows \u1edf gi\u1eefa thanh taskbar.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Ch\u1ecdn <strong>System<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Ch\u1ecdn <strong>Network &amp; Internet<\/strong>, sau \u0111\u00f3 b\u1ea5m <strong>Ethernet<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-36598\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-vao-Ethernet.png\" alt=\"Ch\u1ecdn v\u00e0o Ethernet\" width=\"703\" height=\"396\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-vao-Ethernet.png 703w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-vao-Ethernet-300x169.png 300w\" sizes=\"auto, (max-width: 703px) 100vw, 703px\" \/><\/p>\n<blockquote><p><strong>L\u01b0u \u00fd:<\/strong> N\u1ebfu b\u1ea1n \u0111ang k\u1ebft n\u1ed1i Wi-Fi, h\u00e3y ch\u1ecdn <strong>Wi-Fi<\/strong> r\u1ed3i nh\u1ea5n <strong>Hardware properties<\/strong>.<\/p><\/blockquote>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> B\u1ea5m <strong>Edit<\/strong> t\u1ea1i ph\u1ea7n DNS server.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-36599\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Edit-ben-canh-server-DNS.png\" alt=\"Edit b\u00ean c\u1ea1nh server DNS\" width=\"703\" height=\"395\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Edit-ben-canh-server-DNS.png 703w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Edit-ben-canh-server-DNS-300x169.png 300w\" sizes=\"auto, (max-width: 703px) 100vw, 703px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 5:<\/strong> Ch\u1ecdn <strong>Manual<\/strong> trong menu th\u1ea3 xu\u1ed1ng.<\/p>\n<p><strong>B\u01b0\u1edbc 6:<\/strong> B\u1eadt t\u00f9y ch\u1ecdn <strong>IPv4<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 7:<\/strong> Nh\u1eadp <strong>8.8.8.8<\/strong> v\u00e0o Preferred DNS v\u00e0 <strong>8.8.4.4<\/strong> v\u00e0o Alternate DNS.<\/p>\n<p><strong>B\u01b0\u1edbc 8:<\/strong> Nh\u1ea5n <strong>Save<\/strong> \u0111\u1ec3 l\u01b0u thay \u0111\u1ed5i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-36602 aligncenter\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-8.8.8.8-va-chon-Save.png\" alt=\"Nh\u1eadp 8.8.8.8 v\u00e0 ch\u1ecdn Save\" width=\"705\" height=\"395\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-8.8.8.8-va-chon-Save.png 705w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-8.8.8.8-va-chon-Save-300x168.png 300w\" sizes=\"auto, (max-width: 705px) 100vw, 705px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach-doi-DNS-8888-tren-macOS\"><\/span><strong>C\u00e1ch \u0111\u1ed5i DNS 8.8.8.8 tr\u00ean macOS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf menu Apple v\u00e0 ch\u1ecdn <strong>System Preferences<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Nh\u1ea5p v\u00e0o <strong>Network<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-36605\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-Network.webp\" alt=\"Ch\u1ecdn Network\" width=\"700\" height=\"593\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-Network.webp 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-Network-300x254.webp 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> M\u1ed9t c\u1eeda s\u1ed5 s\u1ebd hi\u1ec7n ra. Ch\u1ecdn giao di\u1ec7n m\u1ea1ng \u1edf thanh b\u00ean tr\u00e1i. Giao di\u1ec7n m\u1eb7c \u0111\u1ecbnh s\u1ebd \u0111\u01b0\u1ee3c ch\u1ecdn s\u1eb5n. N\u1ebfu b\u1ea1n d\u00f9ng nhi\u1ec1u giao di\u1ec7n \u0111\u1ec3 truy c\u1eadp Internet, h\u00e3y l\u1eb7p l\u1ea1i thao t\u00e1c cho t\u1eebng giao di\u1ec7n \u0111\u1ec3 c\u1eadp nh\u1eadt DNS.<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> Nh\u1ea5n <strong>Advanced<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-36606 aligncenter\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-mot-giao-dien-mang.jpg\" alt=\"Ch\u1ecdn m\u1ed9t giao di\u1ec7n m\u1ea1ng\" width=\"700\" height=\"603\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-mot-giao-dien-mang.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Chon-mot-giao-dien-mang-300x258.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 5:<\/strong> Chuy\u1ec3n sang tab <strong>DNS<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 6:<\/strong> B\u1ea5m n\u00fat <strong>+<\/strong> \u0111\u1ec3 th\u00eam m\u00e1y ch\u1ee7 DNS m\u1edbi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-36607 aligncenter\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-cac-may-chu-DNS.jpg\" alt=\"Nh\u1eadp c\u00e1c m\u00e1y ch\u1ee7 DNS\" width=\"700\" height=\"541\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-cac-may-chu-DNS.jpg 700w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Nhap-cac-may-chu-DNS-300x232.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 7:<\/strong> Nh\u1eadp c\u00e1c m\u00e1y ch\u1ee7 DNS c\u1ee7a Google nh\u01b0 sau:<\/p>\n<ul>\n<li>8.8.8.8<\/li>\n<li>8.8.4.4<\/li>\n<li>2001:4860:4860::8888<\/li>\n<li>2001:4860:4860::8844<\/li>\n<\/ul>\n<p><strong>B\u01b0\u1edbc 8:<\/strong> Nh\u1ea5n <strong>OK<\/strong>, sau \u0111\u00f3 ch\u1ecdn <strong>Apply<\/strong> \u0111\u1ec3 \u00e1p d\u1ee5ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cach-doi-DNS-8888-tren-Android\"><\/span><strong>C\u00e1ch \u0111\u1ed5i DNS 8.8.8.8 tr\u00ean Android<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u1ed5i DNS Google tr\u00ean \u0111i\u1ec7n tho\u1ea1i \u0111\u01a1n gi\u1ea3n nh\u1ea5t:<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf <strong>Settings<\/strong> tr\u00ean thi\u1ebft b\u1ecb Android.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Ch\u1ecdn <strong>Network &amp; Internet<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Nh\u1ea5n <strong>Advanced<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> Ch\u1ecdn <strong>Private DNS<\/strong>.<\/p>\n<p><strong>B\u01b0\u1edbc 5:<\/strong> Ch\u1ecdn <strong>Private DNS provider hostname<\/strong>, sau \u0111\u00f3 nh\u1eadp <strong>dns.google<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-36608 aligncenter\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Ban-chon-Private-DNS-provides-hostname.webp\" alt=\"B\u1ea1n ch\u1ecdn Private DNS provides hostname\" width=\"800\" height=\"450\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Ban-chon-Private-DNS-provides-hostname.webp 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Ban-chon-Private-DNS-provides-hostname-300x169.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/12\/Ban-chon-Private-DNS-provides-hostname-768x432.webp 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 6:<\/strong> Cu\u1ed1i c\u00f9ng, nh\u1ea5n <strong>Save<\/strong> \u0111\u1ec3 x\u00e1c nh\u1eadn thay \u0111\u1ed5i.<\/p>\n<p>Qua b\u00e0i vi\u1ebft n\u00e0y, InterData hy v\u1ecdng b\u1ea1n \u0111\u00e3 hi\u1ec3u r\u00f5 <strong>DNS 8.8.8.8 l\u00e0 g\u00ec<\/strong> c\u0169ng nh\u01b0 n\u1eafm v\u1eefng c\u00e1ch thao t\u00e1c thay \u0111\u1ed5i DNS tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a m\u00ecnh. D\u00e3y s\u1ed1 8.8.8.8 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 IP \u0111\u01a1n thu\u1ea7n, m\u00e0 l\u00e0 ch\u00eca kh\u00f3a gi\u00fap b\u1ea1n l\u00e0m ch\u1ee7 k\u1ebft n\u1ed1i internet, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m l\u01b0\u1edbt web m\u01b0\u1ee3t m\u00e0, \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ef1 do h\u01a1n.<\/p>\n<p>Trong b\u1ed1i c\u1ea3nh h\u1ea1 t\u1ea7ng m\u1ea1ng t\u1ea1i Vi\u1ec7t Nam th\u01b0\u1eddng xuy\u00ean g\u1eb7p s\u1ef1 c\u1ed1 c\u00e1p quang bi\u1ec3n, vi\u1ec7c trang b\u1ecb ki\u1ebfn th\u1ee9c v\u1ec1 DNS l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft. N\u1ebfu b\u1ea1n g\u1eb7p b\u1ea5t k\u1ef3 kh\u00f3 kh\u0103n n\u00e0o trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t ho\u1eb7c c\u00f3 th\u1eafc m\u1eafc v\u1ec1 c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1ea1ng, m\u00e1y ch\u1ee7, h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi. \u0110\u1ed9i ng\u0169 chuy\u00ean gia c\u1ee7a <a href=\"https:\/\/interdata.vn\/\">InterData<\/a> lu\u00f4n s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khi m\u1ea1ng Internet \u0111\u1ed9t nhi\u00ean ch\u1eadm, kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c website ho\u1eb7c g\u1eb7p l\u1ed7i DNS, nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng \u0111\u01b0\u1ee3c khuy\u00ean \u201ch\u00e3y \u0111\u1ed5i sang DNS 8.8.8.8 cho \u1ed5n \u0111\u1ecbnh h\u01a1n\u201d. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u1ecba ch\u1ec9 DNS ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay v\u00e0 \u0111\u01b0\u1ee3c xem nh\u01b0 \u201cc\u1ee9u c\u00e1nh\u201d m\u1ed7i khi k\u1ebft n\u1ed1i g\u1eb7p v\u1ea5n \u0111\u1ec1. V\u1eady<\/p>\n","protected":false},"author":11,"featured_media":36621,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[],"class_list":["post-36570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/36570","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\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=36570"}],"version-history":[{"count":3,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/36570\/revisions"}],"predecessor-version":[{"id":36624,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/36570\/revisions\/36624"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/36621"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=36570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=36570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=36570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}