{"id":15736,"date":"2024-06-19T23:07:30","date_gmt":"2024-06-19T16:07:30","guid":{"rendered":"https:\/\/blog.tinohost.com\/?p=1105"},"modified":"2026-10-28T11:40:18","modified_gmt":"2026-10-28T04:40:18","slug":"name-servers-la-gi","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/name-servers-la-gi\/","title":{"rendered":"Name server l\u00e0 g\u00ec? C\u00e1ch tr\u1ecf t\u00ean mi\u1ec1n b\u1eb1ng nameserver v\u00e0 c\u00e1ch ki\u1ec3m tra"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Name server (nameserver, m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n) l\u00e0 m\u00e1y ch\u1ee7 DNS l\u01b0u v\u00e0 tr\u1ea3 l\u1eddi c\u00e1c b\u1ea3n ghi c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n, nh\u01b0 b\u1ea3n ghi A tr\u1ecf website v\u1ec1 IP hay b\u1ea3n ghi MX nh\u1eadn email.<\/strong> Khai b\u00e1o nameserver cho t\u00ean mi\u1ec1n t\u1ee9c l\u00e0 ch\u1ec9 \u0111\u1ecbnh n\u01a1i gi\u1eef to\u00e0n b\u1ed9 c\u1ea5u h\u00ecnh DNS c\u1ee7a t\u00ean mi\u1ec1n \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nameserver l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng <a href=\"https:\/\/tino.vn\/blog\/dns-la-gi\/\">DNS<\/a>, th\u1ee9 gi\u00fap <a href=\"https:\/\/tino.vn\/blog\/ten-mien-la-gi\/\">t\u00ean mi\u1ec1n<\/a> d\u1eabn \u0111\u01b0\u1ee3c t\u1edbi website v\u00e0 email. Ph\u1ea7n d\u01b0\u1edbi gi\u1ea3i th\u00edch nameserver ho\u1ea1t \u0111\u1ed9ng th\u1ebf n\u00e0o, khi n\u00e0o n\u00ean \u0111\u1ed5i, c\u00e1ch \u0111\u1ed5i nameserver trong trang qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n c\u1ee7a Tino v\u00e0 c\u00e1ch ki\u1ec3m tra sau khi \u0111\u1ed5i.<\/p>\n\n\n\n<h2 id=\"Name_server_l\u00e0_g\u00ec?\">Name server l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Name server l\u00e0 m\u00e1y ch\u1ee7 ch\u1ea1y ph\u1ea7n m\u1ec1m DNS, gi\u1eef zone (t\u1eadp b\u1ea3n ghi) c\u1ee7a m\u1ed9t ho\u1eb7c nhi\u1ec1u t\u00ean mi\u1ec1n v\u00e0 tr\u1ea3 l\u1eddi khi c\u00f3 ai h\u1ecfi v\u1ec1 c\u00e1c t\u00ean \u0111\u00f3. M\u1ed7i t\u00ean mi\u1ec1n khai b\u00e1o \u00edt nh\u1ea5t hai nameserver d\u1ea1ng t\u00ean m\u00e1y, nh\u01b0 ns1.tino.vn; m\u00e1y ch\u1ee7 c\u1ee7a \u0111u\u00f4i t\u00ean mi\u1ec1n gi\u1eef danh s\u00e1ch n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i website c\u00f3 m\u1ed9t <a href=\"https:\/\/tino.vn\/blog\/dia-chi-ip-la-gi\/\">\u0111\u1ecba ch\u1ec9 IP<\/a> kh\u00f3 nh\u1edb, n\u00ean con ng\u01b0\u1eddi d\u00f9ng t\u00ean mi\u1ec1n. T\u00ean mi\u1ec1n kh\u00f4ng thay \u0111\u01b0\u1ee3c IP m\u00e0 c\u1ea7n m\u1ed9t b\u00ean trung gian \u0111\u1ec3 &#8220;d\u1ecbch&#8221; t\u00ean sang IP: \u0111\u00f3 l\u00e0 vi\u1ec7c c\u1ee7a nameserver. Khi n\u00f3i &#8220;DNS server&#8221; c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n, ng\u01b0\u1eddi ta th\u01b0\u1eddng mu\u1ed1n n\u00f3i t\u1edbi nameserver c\u00f3 th\u1ea9m quy\u1ec1n c\u1ee7a t\u00ean mi\u1ec1n \u0111\u00f3.<\/p>\n\n\n\n<h3 id=\"Name_server_kh\u00e1c_DNS_resolver_th\u1ebf_n\u00e0o?\">Name server kh\u00e1c DNS resolver th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Name server c\u00f3 th\u1ea9m quy\u1ec1n ch\u1ec9 tr\u1ea3 l\u1eddi v\u1ec1 t\u00ean mi\u1ec1n n\u00f3 qu\u1ea3n l\u00fd. DNS resolver (m\u00e1y ch\u1ee7 \u0111\u1ec7 quy) c\u1ee7a nh\u00e0 m\u1ea1ng hay 8.8.8.8 th\u00ec kh\u00f4ng gi\u1eef b\u1ea3n ghi c\u1ee7a b\u1ea1n, n\u00f3 \u0111i h\u1ecfi thay ng\u01b0\u1eddi d\u00f9ng v\u00e0 nh\u1edb k\u1ebft qu\u1ea3 trong cache. \u0110\u1ed5i nameserver l\u00e0 vi\u1ec7c c\u1ee7a ch\u1ee7 t\u00ean mi\u1ec1n; \u0111\u1ed5i resolver l\u00e0 vi\u1ec7c tr\u00ean m\u00e1y c\u1ee7a ng\u01b0\u1eddi truy c\u1eadp.<\/p>\n\n\n\n<h2 id=\"Name_server_ho\u1ea1t_\u0111\u1ed9ng_nh\u01b0_th\u1ebf_n\u00e0o?\">Name server ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Name server l\u00e0m vi\u1ec7c \u1edf cu\u1ed1i chu\u1ed7i ph\u00e2n gi\u1ea3i: resolver \u0111i t\u1eeb root server t\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a \u0111u\u00f4i t\u00ean mi\u1ec1n \u0111\u1ec3 bi\u1ebft nameserver n\u00e0o gi\u1eef t\u00ean mi\u1ec1n, r\u1ed3i h\u1ecfi th\u1eb3ng nameserver \u0111\u00f3 v\u00e0 nh\u1eadn b\u1ea3n ghi. K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c l\u01b0u trong cache theo TTL, n\u00ean c\u00e1c l\u1ea7n sau kh\u00f4ng c\u1ea7n \u0111i l\u1ea1i c\u1ea3 chu\u1ed7i.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ng\u01b0\u1eddi d\u00f9ng nh\u1eadp t\u00ean mi\u1ec1n; m\u00e1y t\u00ednh ho\u1eb7c router ki\u1ec3m tra cache, c\u00f3 s\u1eb5n th\u00ec d\u00f9ng ngay.<\/li>\n\n\n<li>Ch\u01b0a c\u00f3 th\u00ec g\u1eedi c\u00e2u h\u1ecfi t\u1edbi resolver (Recursive Name Server).<\/li>\n\n\n<li>Resolver h\u1ecfi root server, r\u1ed3i h\u1ecfi TLD server c\u1ee7a \u0111u\u00f4i (.com, .vn\u2026) \u0111\u1ec3 l\u1ea5y danh s\u00e1ch nameserver c\u1ee7a t\u00ean mi\u1ec1n.<\/li>\n\n\n<li>Resolver h\u1ecfi nameserver c\u00f3 th\u1ea9m quy\u1ec1n v\u00e0 nh\u1eadn b\u1ea3n ghi, v\u00ed d\u1ee5 IP trong b\u1ea3n ghi A.<\/li>\n\n\n<li>Resolver l\u01b0u k\u1ebft qu\u1ea3 v\u00e0o cache v\u00e0 tr\u1ea3 IP cho tr\u00ecnh duy\u1ec7t; tr\u00ecnh duy\u1ec7t k\u1ebft n\u1ed1i t\u1edbi m\u00e1y ch\u1ee7 ch\u1ee9a website.<\/li>\n<\/ol>\n\n\n\n<h2 id=\"C\u00f3_nh\u1eefng_lo\u1ea1i_name_server_n\u00e0o?\">C\u00f3 nh\u1eefng lo\u1ea1i name server n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Name server \u0111\u01b0\u1ee3c chia theo vai tr\u00f2 trong chu\u1ed7i ph\u00e2n gi\u1ea3i: m\u00e1y ch\u1ee7 \u0111\u1ec7 quy (resolver) h\u1ecfi h\u1ed9 ng\u01b0\u1eddi d\u00f9ng, root v\u00e0 TLD name server ch\u1ec9 \u0111\u01b0\u1eddng, c\u00f2n authoritative name server gi\u1eef b\u1ea3n ghi th\u1eadt c\u1ee7a t\u00ean mi\u1ec1n. Trong nh\u00f3m authoritative l\u1ea1i c\u00f3 m\u00e1y ch\u00ednh (primary) v\u00e0 m\u00e1y ph\u1ee5 (secondary) \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u v\u1edbi nhau.<\/p>\n\n\n\n<h3 id=\"Recursive_name_server_(resolver)\">Recursive name server (resolver)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 m\u00e1y ch\u1ee7 m\u00e0 m\u00e1y t\u00ednh trong m\u1ea1ng d\u00f9ng \u0111\u1ec3 t\u00ecm IP c\u1ee7a t\u00ean mi\u1ec1n ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o. N\u00f3 g\u1eedi truy v\u1ea5n t\u1edbi c\u00e1c m\u00e1y ch\u1ee7 t\u1ea7ng tr\u00ean, ti\u1ebfp t\u1ee5c cho \u0111\u1ebfn khi c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi r\u1ed3i tr\u1ea3 v\u1ec1 cho m\u00e1y ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h3 id=\"Root_v\u00e0_TLD_name_server\">Root v\u00e0 TLD name server<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Root server ch\u1ec9 \u0111\u01b0\u1eddng t\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a t\u1eebng \u0111u\u00f4i; TLD name server qu\u1ea3n l\u00fd c\u00e1c \u0111u\u00f4i nh\u01b0 .COM, <a href=\"https:\/\/tino.vn\/blog\/ten-mien-org-la-gi\/\">.ORG<\/a>, .NET hay t\u00ean mi\u1ec1n qu\u1ed1c gia .VN, v\u00e0 gi\u1eef th\u00f4ng tin nameserver c\u00f3 th\u1ea9m quy\u1ec1n c\u1ee7a m\u1ecdi t\u00ean mi\u1ec1n trong \u0111u\u00f4i \u0111\u00f3.<\/p>\n\n\n\n<h3 id=\"Authoritative_name_server_(primary_v\u00e0_secondary)\">Authoritative name server (primary v\u00e0 secondary)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lo\u1ea1i n\u00e0y ch\u1ee9a b\u1ea3n ghi c\u1ee5 th\u1ec3 c\u1ee7a t\u00ean mi\u1ec1n. M\u00e1y ch\u00ednh gi\u1eef b\u1ea3n g\u1ed1c c\u1ee7a zone; m\u00e1y ph\u1ee5 ch\u00e9p l\u1ea1i theo c\u00e1c b\u1ed9 \u0111\u1ebfm trong <a href=\"https:\/\/tino.vn\/blog\/dns-soa-la-gi\/\">b\u1ea3n ghi SOA<\/a>, n\u00ean m\u1ed9t m\u00e1y l\u1ed7i th\u00ec m\u00e1y kia v\u1eabn tr\u1ea3 l\u1eddi.<\/p>\n\n\n\n<h2 id=\"V\u00ec_sao_m\u1ed9t_t\u00ean_mi\u1ec1n_c\u1ea7n_\u00edt_nh\u1ea5t_hai_name_server?\">V\u00ec sao m\u1ed9t t\u00ean mi\u1ec1n c\u1ea7n \u00edt nh\u1ea5t hai name server?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t t\u00ean mi\u1ec1n c\u1ea7n \u00edt nh\u1ea5t hai nameserver \u0111\u1ec3 kh\u00f4ng c\u00f3 \u0111i\u1ec3m l\u1ed7i duy nh\u1ea5t: m\u1ed9t m\u00e1y b\u1ea3o tr\u00ec, m\u1ea5t m\u1ea1ng hay b\u1ecb t\u1ea5n c\u00f4ng th\u00ec resolver v\u1eabn h\u1ecfi \u0111\u01b0\u1ee3c m\u00e1y c\u00f2n l\u1ea1i. <a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc1912\" target=\"_blank\" rel=\"noopener nofollow\">RFC 1912<\/a> ghi r\u00f5 y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u hai nameserver cho m\u1ed7i t\u00ean mi\u1ec1n v\u00e0 khuy\u00ean kh\u00f4ng khai qu\u00e1 b\u1ea3y m\u00e1y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai nameserver n\u00ean \u0111\u1eb7t \u1edf hai m\u00e1y ch\u1ee7, c\u00e0ng n\u00ean \u1edf hai m\u1ea1ng kh\u00e1c nhau. Nh\u00e0 cung c\u1ea5p DNS l\u1edbn th\u01b0\u1eddng cho hai t\u00ean nh\u01b0ng m\u1ed7i t\u00ean ph\u00eda sau l\u00e0 nhi\u1ec1u m\u00e1y ch\u1ee7 \u1edf nhi\u1ec1u n\u01a1i.<\/p>\n\n\n\n<h2 id=\"N\u00ean_\u0111\u1ed5i_nameserver_hay_ch\u1ec9_s\u1eeda_b\u1ea3n_ghi_A?\">N\u00ean \u0111\u1ed5i nameserver hay ch\u1ec9 s\u1eeda b\u1ea3n ghi A?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 hai c\u00e1ch tr\u1ecf t\u00ean mi\u1ec1n v\u1ec1 hosting: \u0111\u1ed5i nameserver sang nameserver c\u1ee7a hosting, ho\u1eb7c gi\u1eef nameserver c\u0169 v\u00e0 ch\u1ec9 s\u1eeda b\u1ea3n ghi A (ho\u1eb7c CNAME). Ch\u1ec9 c\u1ea7n l\u00e0m m\u1ed9t trong hai c\u00e1ch. \u0110\u1ed5i nameserver l\u00e0 chuy\u1ec3n c\u1ea3 vi\u1ec7c qu\u1ea3n l\u00fd DNS sang n\u01a1i m\u1edbi; s\u1eeda b\u1ea3n ghi A ch\u1ec9 \u0111\u1ed5i \u0111\u00edch c\u1ee7a website.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><\/th><th>\u0110\u1ed5i nameserver<\/th><th>Ch\u1ec9 s\u1eeda b\u1ea3n ghi A<\/th><\/tr><\/thead><tbody><tr><td>N\u01a1i qu\u1ea3n l\u00fd b\u1ea3n ghi sau khi l\u00e0m<\/td><td>Nameserver m\u1edbi (hosting, Cloudflare\u2026)<\/td><td>V\u1eabn \u1edf nameserver c\u0169<\/td><\/tr><tr><td>Email, b\u1ea3n ghi TXT \u0111ang c\u00f3<\/td><td>M\u1ea5t n\u1ebfu ch\u01b0a ch\u00e9p sang n\u01a1i m\u1edbi<\/td><td>Gi\u1eef nguy\u00ean<\/td><\/tr><tr><td>H\u1ee3p khi<\/td><td>Mu\u1ed1n hosting ho\u1eb7c Cloudflare qu\u1ea3n l\u00fd to\u00e0n b\u1ed9 DNS<\/td><td>Website \u1edf m\u1ed9t n\u01a1i, email \u1edf n\u01a1i kh\u00e1c<\/td><\/tr><tr><td>Th\u1eddi gian c\u00f3 hi\u1ec7u l\u1ef1c<\/td><td>Theo TTL c\u1ee7a b\u1ea3n ghi NS \u1edf t\u1ea7ng \u0111u\u00f4i t\u00ean mi\u1ec1n<\/td><td>Theo TTL c\u1ee7a b\u1ea3n ghi A<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1400\" height=\"750\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-uy-quyen.webp\" alt=\"S\u01a1 \u0111\u1ed3 3 b\u01b0\u1edbc khi \u0111\u1ed5i nameserver: khai NS t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd (v\u00ed d\u1ee5 ns1.example.net), zone c\u1ee7a \u0111u\u00f4i .vn ho\u1eb7c .com ghi b\u1ea3n ghi NS, nameserver m\u1edbi tr\u1ea3 l\u1eddi c\u00e1c b\u1ea3n ghi A, MX, TXT; l\u01b0u \u00fd ch\u00e9p \u0111\u1ee7 b\u1ea3n ghi tr\u01b0\u1edbc khi \u0111\u1ed5i\" class=\"wp-image-132651\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-uy-quyen.webp 1400w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-uy-quyen-300x161.webp 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-uy-quyen-1024x549.webp 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-uy-quyen-768x411.webp 768w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Quan h\u1ec7 gi\u1eefa t\u00ean mi\u1ec1n v\u00e0 hosting \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch \u1edf b\u00e0i <a href=\"https:\/\/tino.vn\/blog\/hosting-va-domain\/\">ph\u00e2n bi\u1ec7t hosting v\u00e0 t\u00ean mi\u1ec1n<\/a>; sau khi tr\u1ecf xong, b\u1ea1n c\u1ea7n <a href=\"https:\/\/tino.vn\/blog\/cach-them-ten-mien-moi-vao-hosting-cpanel\/\">th\u00eam t\u00ean mi\u1ec1n v\u00e0o hosting cPanel<\/a> \u0111\u1ec3 hosting nh\u1eadn website.<\/p>\n\n\n\n<h2 id=\"C\u00e1ch_tr\u1ecf_t\u00ean_mi\u1ec1n_b\u1eb1ng_nameserver_t\u1ea1i_Tino\">C\u00e1ch tr\u1ecf t\u00ean mi\u1ec1n b\u1eb1ng nameserver t\u1ea1i Tino<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tr\u1ecf t\u00ean mi\u1ec1n b\u1eb1ng nameserver, b\u1ea1n l\u1ea5y c\u1eb7p nameserver t\u1eeb n\u01a1i s\u1ebd qu\u1ea3n l\u00fd DNS (hosting, Cloudflare ho\u1eb7c nh\u00e0 \u0111\u0103ng k\u00fd), r\u1ed3i khai v\u00e0o m\u1ee5c Nameserver trong trang qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n. C\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y l\u00e0m tr\u00ean trang qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 c\u1ee7a Tino; nh\u00e0 \u0111\u0103ng k\u00fd kh\u00e1c c\u00f3 thao t\u00e1c t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n<h3 id=\"Chu\u1ea9n_b\u1ecb\">Chu\u1ea9n b\u1ecb<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00e0i kho\u1ea3n \u0111\u0103ng nh\u1eadp trang qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n (n\u01a1i b\u1ea1n mua t\u00ean mi\u1ec1n).<\/li>\n\n\n<li>C\u1eb7p nameserver c\u1ee7a n\u01a1i s\u1ebd qu\u1ea3n l\u00fd DNS: t\u00ecm trong email th\u00f4ng tin t\u00e0i kho\u1ea3n hosting, ho\u1eb7c h\u1ecfi nh\u00e0 cung c\u1ea5p &#8220;DNS servers&#8221;, &#8220;Name servers&#8221;.<\/li>\n\n\n<li>Danh s\u00e1ch b\u1ea3n ghi \u0111ang d\u00f9ng (nh\u1ea5t l\u00e0 MX, TXT c\u1ee7a email) n\u1ebfu t\u00ean mi\u1ec1n \u0111\u00e3 ch\u1ea1y d\u1ecbch v\u1ee5.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"B\u01b0\u1edbc_1:_L\u1ea5y_c\u1eb7p_nameserver\">B\u01b0\u1edbc 1: L\u1ea5y c\u1eb7p nameserver<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Theo trang h\u01b0\u1edbng d\u1eabn \u0111\u1ed5i nameserver c\u00f4ng khai c\u1ee7a Tino (\u0111\u1ed1i chi\u1ebfu ng\u00e0y 27\/10\/2026), t\u00ean mi\u1ec1n mua t\u1ea1i Tino (kh\u00f4ng k\u00e8m hosting) d\u00f9ng <strong>ns1.tino.vn<\/strong> v\u00e0 <strong>ns2.tino.vn<\/strong>; hosting cPanel c\u1ee7a Tino d\u00f9ng <strong>ns3.tino.org<\/strong> v\u00e0 <strong>ns4.tino.org<\/strong>. C\u00e1c g\u00f3i kh\u00e1c (v\u00ed d\u1ee5 hosting DirectAdmin), h\u00e3y l\u1ea5y \u0111\u00fang c\u1eb7p ghi trong email th\u00f4ng tin d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<h3 id=\"B\u01b0\u1edbc_2:_\u0110\u0103ng_nh\u1eadp_v\u00e0_m\u1edf_m\u1ee5c_Nameserver\">B\u01b0\u1edbc 2: \u0110\u0103ng nh\u1eadp v\u00e0 m\u1edf m\u1ee5c Nameserver<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u0103ng nh\u1eadp trang qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 c\u1ee7a Tino, v\u00e0o <strong>T\u00ean mi\u1ec1n<\/strong>, ch\u1ecdn t\u00ean mi\u1ec1n c\u1ea7n \u0111\u1ed5i, r\u1ed3i b\u1ea5m <strong>Nameservers<\/strong> trong ph\u1ea7n th\u00f4ng tin t\u00ean mi\u1ec1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u1ea2nh ch\u1ee5p giao di\u1ec7n n\u0103m 2023, t\u00ean mi\u1ec1n demo thbao.xyz; b\u1ed1 c\u1ee5c hi\u1ec7n t\u1ea1i c\u00f3 th\u1ec3 kh\u00e1c m\u1ed9t ch\u00fat nh\u01b0ng v\u1eabn c\u00f3 c\u00e1c m\u1ee5c n\u00e0y.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"501\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-6.png\" alt=\"\u1ea2nh ch\u1ee5p h\u1ed9p \u0111\u0103ng nh\u1eadp trang qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5 c\u1ee7a Tino, \u0111\u00e1nh s\u1ed1 1 \u1edf n\u00fat \u0111\u0103ng nh\u1eadp g\u00f3c tr\u00ean v\u00e0 s\u1ed1 2 \u1edf n\u00fat \u0110\u0103ng nh\u1eadp trong h\u1ed9p tho\u1ea1i; \u00f4 email \u0111\u00e3 l\u00e0m m\u1edd\" class=\"wp-image-94763\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-6.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-6-300x147.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-6-768x376.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"532\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-7.png\" alt=\"\u1ea2nh ch\u1ee5p danh s\u00e1ch d\u1ecbch v\u1ee5, m\u0169i t\u00ean \u0111\u00e1nh s\u1ed1 ch\u1ec9 menu Qu\u1ea3n l\u00fd d\u1ecbch v\u1ee5, m\u1ee5c T\u00ean mi\u1ec1n v\u00e0 t\u00ean mi\u1ec1n demo thbao.xyz c\u1ea7n \u0111\u1ed5i nameserver\" class=\"wp-image-94764\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-7.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-7-300x156.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-7-768x399.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"516\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-8.png\" alt=\"\u1ea2nh ch\u1ee5p trang th\u00f4ng tin t\u00ean mi\u1ec1n thbao.xyz, m\u0169i t\u00ean ch\u1ec9 li\u00ean k\u1ebft Nameservers \u1edf ph\u1ea7n cu\u1ed1i trang\" class=\"wp-image-94765\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-8.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-8-300x151.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-8-768x387.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 id=\"B\u01b0\u1edbc_3:_Ch\u1ecdn_Tu\u1ef3_bi\u1ebfn_v\u00e0_nh\u1eadp_nameserver_m\u1edbi\">B\u01b0\u1edbc 3: Ch\u1ecdn Tu\u1ef3 bi\u1ebfn v\u00e0 nh\u1eadp nameserver m\u1edbi<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ecf ch\u1ecdn <strong>Nameserver m\u1eb7c \u0111\u1ecbnh<\/strong> (c\u1eb7p c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd), ch\u1ecdn <strong>Tu\u1ef3 bi\u1ebfn<\/strong>, r\u1ed3i nh\u1eadp nameserver m\u1edbi v\u00e0o \u00f4 NS1, NS2 (th\u00eam NS3, NS4 n\u1ebfu nh\u00e0 cung c\u1ea5p cho nhi\u1ec1u h\u01a1n hai).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-9.png\" alt=\"\u1ea2nh ch\u1ee5p form Thay \u0111\u1ed5i nameserver, ch\u1ecdn Tu\u1ef3 bi\u1ebfn, \u00f4 NS1 l\u00e0 ns3.tino.org v\u00e0 NS2 l\u00e0 ns4.tino.org, khoanh \u0111\u1ecf k\u00e8m ghi ch\u00fa Ch\u1ec9nh s\u1eeda c\u00e1c c\u1eb7p nameserver t\u1ea1i \u0111\u00e2y\" class=\"wp-image-94766\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-9.png 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-9-300x169.png 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2024\/05\/name-servers-la-gi-9-768x432.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 id=\"B\u01b0\u1edbc_4:_L\u01b0u_thay_\u0111\u1ed5i\">B\u01b0\u1edbc 4: L\u01b0u thay \u0111\u1ed5i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea5m <strong>L\u01b0u l\u1ea1i<\/strong>. H\u1ec7 th\u1ed1ng g\u1eedi nameserver m\u1edbi l\u00ean m\u00e1y ch\u1ee7 c\u1ee7a \u0111u\u00f4i t\u00ean mi\u1ec1n; sau khi m\u00e1y ch\u1ee7 n\u00e0y c\u1eadp nh\u1eadt v\u00e0 cache c\u0169 \u1edf c\u00e1c resolver h\u1ebft h\u1ea1n, m\u1ecdi b\u1ea3n ghi s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecdc t\u1eeb nameserver m\u1edbi.<\/p>\n\n\n\n<h3 id=\"B\u01b0\u1edbc_5:_Ch\u1edd_c\u1eadp_nh\u1eadt_v\u00e0_ki\u1ec3m_tra\">B\u01b0\u1edbc 5: Ch\u1edd c\u1eadp nh\u1eadt v\u00e0 ki\u1ec3m tra<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1edd resolver tr\u00ean Internet nh\u1eadn nameserver m\u1edbi (xem m\u1ee5c th\u1eddi gian b\u00ean d\u01b0\u1edbi), r\u1ed3i ki\u1ec3m tra b\u1eb1ng m\u1ed9t trong c\u00e1c c\u00e1ch \u1edf m\u1ee5c ti\u1ebfp theo.<\/p>\n\n\n\n<h2 id=\"C\u00e1ch_ki\u1ec3m_tra_nameserver_c\u1ee7a_t\u00ean_mi\u1ec1n\">C\u00e1ch ki\u1ec3m tra nameserver c\u1ee7a t\u00ean mi\u1ec1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch nhanh \u0111\u1ec3 ki\u1ec3m tra nameserver c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n l\u00e0 tra b\u1ea3n ghi NS: d\u00f9ng l\u1ec7nh nslookup tr\u00ean Windows, dig tr\u00ean Linux, macOS, ho\u1eb7c c\u00f4ng c\u1ee5 web nh\u01b0 Google Admin Toolbox Dig. K\u1ebft qu\u1ea3 tr\u1ea3 v\u1ec1 t\u00ean c\u00e1c nameserver m\u00e0 resolver \u0111ang th\u1ea5y cho t\u00ean mi\u1ec1n \u0111\u00f3.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup -type=ns tenban.vn 8.8.8.8\ndig NS tenban.vn +short<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y tra b\u1ea3n ghi NS c\u1ee7a tino.vn b\u1eb1ng <a href=\"https:\/\/toolbox.googleapps.com\/apps\/dig\/\" target=\"_blank\" rel=\"noopener nofollow\">Google Admin Toolbox Dig<\/a>: k\u1ebft qu\u1ea3 l\u00e0 ns1.tino.vn v\u00e0 ns2.tino.vn, m\u1ed7i b\u1ea3n ghi c\u00f3 TTL 6 gi\u1edd.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"666\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-tra-ns-tino-vn.webp\" alt=\"\u1ea2nh ch\u1ee5p Google Admin Toolbox Dig ng\u00e0y 27\/10\/2026 tra b\u1ea3n ghi NS c\u1ee7a tino.vn: hai k\u1ebft qu\u1ea3 ns1.tino.vn v\u00e0 ns2.tino.vn, TTL 6 gi\u1edd; khoanh \u0111\u1ecf ns1.tino.vn\" class=\"wp-image-132650\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-tra-ns-tino-vn.webp 1200w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-tra-ns-tino-vn-300x167.webp 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-tra-ns-tino-vn-1024x568.webp 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/name-servers-la-gi-tra-ns-tino-vn-768x426.webp 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\u1ea2nh ch\u1ee5p c\u00f4ng c\u1ee5 Google Admin Toolbox Dig (toolbox.googleapps.com) ng\u00e0y 27\/10\/2026.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Mu\u1ed1n xem th\u00eam c\u00e1ch \u0111\u1ed1i chi\u1ebfu nameserver v\u1edbi th\u00f4ng tin \u0111\u0103ng k\u00fd, \u0111\u1ecdc <a href=\"https:\/\/tino.vn\/blog\/cach-check-nameservers-dung-hay-chua\/\">c\u00e1ch check nameserver \u0111\u00fang hay ch\u01b0a<\/a> v\u00e0 <a href=\"https:\/\/tino.vn\/blog\/whois-la-gi\/\">WHOIS l\u00e0 g\u00ec<\/a>.<\/p>\n\n\n\n<h2 id=\"\u0110\u1ed5i_nameserver_m\u1ea5t_bao_l\u00e2u_\u0111\u1ec3_c\u00f3_hi\u1ec7u_l\u1ef1c?\">\u0110\u1ed5i nameserver m\u1ea5t bao l\u00e2u \u0111\u1ec3 c\u00f3 hi\u1ec7u l\u1ef1c?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed5i nameserver c\u00f3 hi\u1ec7u l\u1ef1c khi resolver h\u1ebft h\u1ea1n cache b\u1ea3n ghi NS c\u0169, n\u00ean th\u1eddi gian ph\u1ee5 thu\u1ed9c TTL c\u1ee7a b\u1ea3n ghi NS \u1edf m\u00e1y ch\u1ee7 \u0111u\u00f4i t\u00ean mi\u1ec1n v\u00e0 \u1edf nameserver c\u0169, th\u01b0\u1eddng t\u1eeb v\u00e0i gi\u1edd t\u1edbi m\u1ed9t hai ng\u00e0y. Trong th\u1eddi gian n\u00e0y c\u00f3 ng\u01b0\u1eddi \u0111\u00e3 th\u1ea5y nameserver m\u1edbi, c\u00f3 ng\u01b0\u1eddi v\u1eabn th\u1ea5y nameserver c\u0169.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec hai n\u01a1i c\u00f3 th\u1ec3 c\u00f9ng \u0111\u01b0\u1ee3c h\u1ecfi trong giai \u0111o\u1ea1n chuy\u1ec3n, h\u00e3y gi\u1eef b\u1ea3n ghi \u1edf nameserver c\u0169 cho \u0111\u1ebfn khi ki\u1ec3m tra t\u1eeb nhi\u1ec1u resolver (8.8.8.8, 1.1.1.1, m\u1ea1ng di \u0111\u1ed9ng) \u0111\u1ec1u th\u1ea5y nameserver m\u1edbi.<\/p>\n\n\n\n<h2 id=\"L\u01b0u_\u00fd_tr\u01b0\u1edbc_khi_\u0111\u1ed5i_nameserver\">L\u01b0u \u00fd tr\u01b0\u1edbc khi \u0111\u1ed5i nameserver<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi \u0111\u1ed5i nameserver, h\u00e3y ch\u1eafc n\u01a1i m\u1edbi \u0111\u00e3 c\u00f3 \u0111\u1ee7 b\u1ea3n ghi t\u00ean mi\u1ec1n \u0111ang d\u00f9ng v\u00e0 t\u00ean mi\u1ec1n kh\u00f4ng b\u1eadt DNSSEC v\u1edbi kho\u00e1 c\u1ee7a n\u01a1i c\u0169. Thi\u1ebfu b\u1ea3n ghi l\u00e0m website ho\u1eb7c email d\u1eebng; c\u00f2n b\u1ea3n ghi DS c\u0169 kh\u00f4ng kh\u1edbp kho\u00e1 m\u1edbi khi\u1ebfn resolver ki\u1ec3m DNSSEC t\u1eeb ch\u1ed1i to\u00e0n b\u1ed9 t\u00ean mi\u1ec1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u00e9p b\u1ea3n ghi A, CNAME, MX, TXT (SPF, DKIM, m\u00e3 x\u00e1c minh) sang nameserver m\u1edbi tr\u01b0\u1edbc khi \u0111\u1ed5i.<\/li>\n\n\n<li>N\u1ebfu t\u00ean mi\u1ec1n \u0111ang b\u1eadt <a href=\"https:\/\/tino.vn\/blog\/dnssec-la-gi\/\">DNSSEC<\/a>, g\u1ee1 b\u1ea3n ghi DS \u1edf nh\u00e0 \u0111\u0103ng k\u00fd (ho\u1eb7c thay b\u1eb1ng DS c\u1ee7a n\u01a1i m\u1edbi) tr\u01b0\u1edbc khi \u0111\u1ed5i nameserver.<\/li>\n\n\n<li>D\u00f9ng <a href=\"https:\/\/tino.vn\/blog\/cloudflare-la-gi\/\">Cloudflare<\/a> l\u00e0m nameserver th\u00ec qu\u1ea3n l\u00fd b\u1ea3n ghi tr\u00ean Cloudflare, kh\u00f4ng s\u1eeda \u1edf hosting n\u1eefa.<\/li>\n\n\n<li>Kh\u00f4ng \u0111\u1ed5i nameserver khi t\u00ean mi\u1ec1n s\u1eafp h\u1ebft h\u1ea1n ho\u1eb7c \u0111ang chuy\u1ec3n nh\u00e0 \u0111\u0103ng k\u00fd; x\u1eed l\u00fd gia h\u1ea1n, chuy\u1ec3n xong r\u1ed3i m\u1edbi \u0111\u1ed5i.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n t\u00ean mi\u1ec1n cho website? <a href=\"https:\/\/tino.vn\/ten-mien\">\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1ea1i Tino<\/a>: ki\u1ec3m tra t\u00ean mi\u1ec1n c\u00f2n tr\u1ed1ng, \u0111\u0103ng k\u00fd .vn v\u00e0 qu\u1ed1c t\u1ebf, qu\u1ea3n l\u00fd DNS trong m\u1ed9t t\u00e0i kho\u1ea3n. Xem gi\u00e1 tr\u00ean trang s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 id=\"C\u00e2u_h\u1ecfi_th\u01b0\u1eddng_g\u1eb7p\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"Hostname_c\u00f3_ph\u1ea3i_l\u00e0_name_server_kh\u00f4ng?\">Hostname c\u00f3 ph\u1ea3i l\u00e0 name server kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng. Hostname l\u00e0 t\u00ean c\u1ee7a m\u1ed9t m\u00e1y tr\u00ean m\u1ea1ng, v\u00ed d\u1ee5 mail.tenban.vn. Name server c\u0169ng c\u00f3 hostname ri\u00eang (ns1.tino.vn), nh\u01b0ng hostname n\u00f3i chung kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 m\u00e1y \u0111\u00f3 l\u00e0m DNS. Xem th\u00eam \u1edf b\u00e0i <a href=\"https:\/\/tino.vn\/blog\/hostname-la-gi\/\">hostname l\u00e0 g\u00ec<\/a>.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"Name_server_c\u00f3_th\u1ec3_b\u1ecb_t\u1ea5n_c\u00f4ng_kh\u00f4ng?\">Name server c\u00f3 th\u1ec3 b\u1ecb t\u1ea5n c\u00f4ng kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">C\u00f3. Name server c\u00f3 th\u1ec3 b\u1ecb t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (<a href=\"https:\/\/tino.vn\/blog\/ddos-la-gi\/\">DDoS<\/a>), b\u1ecb \u0111\u1ea7u \u0111\u1ed9c cache, gi\u1ea3 m\u1ea1o c\u00e2u tr\u1ea3 l\u1eddi, ho\u1eb7c t\u00e0i kho\u1ea3n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n b\u1ecb chi\u1ebfm \u0111\u1ec3 \u0111\u1ed5i nameserver (DNS hijacking). N\u00ean d\u00f9ng nh\u00e0 cung c\u1ea5p DNS c\u00f3 nhi\u1ec1u m\u00e1y ch\u1ee7, b\u1eadt x\u00e1c th\u1ef1c hai l\u1edbp cho t\u00e0i kho\u1ea3n t\u00ean mi\u1ec1n v\u00e0 c\u00e2n nh\u1eafc DNSSEC.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"Nameserver_m\u1eb7c_\u0111\u1ecbnh_c\u1ee7a_nh\u00e0_\u0111\u0103ng_k\u00fd_c\u00f3_\u0111\u1ee7_d\u00f9ng_kh\u00f4ng?\">Nameserver m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd c\u00f3 \u0111\u1ee7 d\u00f9ng kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">\u0110\u1ee7 cho \u0111a s\u1ed1 website: b\u1ea1n v\u1eabn t\u1ea1o \u0111\u01b0\u1ee3c b\u1ea3n ghi A, CNAME, MX, TXT trong trang qu\u1ea3n l\u00fd DNS c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd. Ch\u1ec9 n\u00ean \u0111\u1ed5i khi hosting y\u00eau c\u1ea7u qu\u1ea3n l\u00fd DNS \u1edf \u0111\u00f3, ho\u1eb7c khi c\u1ea7n t\u00ednh n\u0103ng c\u1ee7a d\u1ecbch v\u1ee5 DNS nh\u01b0 Cloudflare.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Hostname c\u00f3 ph\u1ea3i l\u00e0 name server kh\u00f4ng?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>Kh\u00f4ng. Hostname l\u00e0 t\u00ean c\u1ee7a m\u1ed9t m\u00e1y tr\u00ean m\u1ea1ng, v\u00ed d\u1ee5 mail.tenban.vn. Name server c\u0169ng c\u00f3 hostname ri\u00eang (ns1.tino.vn), nh\u01b0ng hostname n\u00f3i chung kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 m\u00e1y \u0111\u00f3 l\u00e0m DNS. Xem th\u00eam \u1edf b\u00e0i <a>hostname l\u00e0 g\u00ec<\/a>.<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Name server c\u00f3 th\u1ec3 b\u1ecb t\u1ea5n c\u00f4ng kh\u00f4ng?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>C\u00f3. Name server c\u00f3 th\u1ec3 b\u1ecb t\u1ea5n c\u00f4ng t\u1eeb ch\u1ed1i d\u1ecbch v\u1ee5 (<a>DDoS<\/a>), b\u1ecb \u0111\u1ea7u \u0111\u1ed9c cache, gi\u1ea3 m\u1ea1o c\u00e2u tr\u1ea3 l\u1eddi, ho\u1eb7c t\u00e0i kho\u1ea3n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n b\u1ecb chi\u1ebfm \u0111\u1ec3 \u0111\u1ed5i nameserver (DNS hijacking). N\u00ean d\u00f9ng nh\u00e0 cung c\u1ea5p DNS c\u00f3 nhi\u1ec1u m\u00e1y ch\u1ee7, b\u1eadt x\u00e1c th\u1ef1c hai l\u1edbp cho t\u00e0i kho\u1ea3n t\u00ean mi\u1ec1n v\u00e0 c\u00e2n nh\u1eafc DNSSEC.<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Nameserver m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd c\u00f3 \u0111\u1ee7 d\u00f9ng kh\u00f4ng?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>\u0110\u1ee7 cho \u0111a s\u1ed1 website: b\u1ea1n v\u1eabn t\u1ea1o \u0111\u01b0\u1ee3c b\u1ea3n ghi A, CNAME, MX, TXT trong trang qu\u1ea3n l\u00fd DNS c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd. Ch\u1ec9 n\u00ean \u0111\u1ed5i khi hosting y\u00eau c\u1ea7u qu\u1ea3n l\u00fd DNS \u1edf \u0111\u00f3, ho\u1eb7c khi c\u1ea7n t\u00ednh n\u0103ng c\u1ee7a d\u1ecbch v\u1ee5 DNS nh\u01b0 Cloudflare.<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Name server (nameserver, m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n) l\u00e0 m\u00e1y ch\u1ee7 DNS l\u01b0u v\u00e0 tr\u1ea3 l\u1eddi c\u00e1c b\u1ea3n ghi c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n, nh\u01b0 b\u1ea3n ghi A tr\u1ecf website v\u1ec1 IP hay b\u1ea3n ghi MX nh\u1eadn email. Khai b\u00e1o nameserver cho t\u00ean mi\u1ec1n t\u1ee9c l\u00e0 ch\u1ec9 \u0111\u1ecbnh n\u01a1i gi\u1eef to\u00e0n b\u1ed9 c\u1ea5u h\u00ecnh DNS c\u1ee7a t\u00ean [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":132560,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7719],"tags":[6394],"class_list":["post-15736","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ten-mien","tag-kien-thuc-hosting"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/15736","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=15736"}],"version-history":[{"count":7,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/15736\/revisions"}],"predecessor-version":[{"id":132741,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/15736\/revisions\/132741"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/132560"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=15736"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/categories?post=15736"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=15736"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}