{"id":10620,"date":"2024-05-18T09:05:28","date_gmt":"2024-05-18T02:05:28","guid":{"rendered":"https:\/\/cloud.z.com\/vn\/?p=10620"},"modified":"2024-05-20T08:34:21","modified_gmt":"2024-05-20T01:34:21","slug":"dns-look-up","status":"publish","type":"post","link":"https:\/\/cloud.z.com\/vn\/en\/news\/dns-look-up\/","title":{"rendered":"DNS Look up ho\u1ea1t \u0111\u1ed9ng nh\u01b0 n\u00e0o? C\u00f3 nh\u1eefng t\u00ednh n\u0103ng g\u00ec \u0111\u00e1ng ch\u00fa \u00fd?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">DNS Look up (tra c\u1ee9u DNS) l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n (domain name) d\u1ec5 nh\u1edb th\u00e0nh \u0111\u1ecba ch\u1ec9 IP (Internet Protocol) kh\u00f3 nh\u1edb, gi\u1ed1ng nh\u01b0 vi\u1ec7c tra c\u1ee9u danh b\u1ea1 \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 t\u00ecm s\u1ed1 \u0111i\u1ec7n tho\u1ea1i c\u1ee7a m\u1ed9t ng\u01b0\u1eddi quen.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1eady DNS Look up c\u00f3 \u00fd ngh\u0129a nh\u01b0 th\u1ebf n\u00e0o v\u1edbi DNS, h\u00e3y c\u00f9ng <\/span><a href=\"https:\/\/cloud.z.com\/\"><span style=\"font-weight: 400;\">Z.com<\/span><\/a><span style=\"font-weight: 400;\"> ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u ngay nh\u00e9!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Xem th\u00eam: <\/span><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns\/\"><span style=\"font-weight: 400;\">DNS l\u00e0 g\u00ec? T\u1eeb A-Z v\u1ec1 DNS Google, DNS Server, DNS VNPT<\/span><\/a><\/p>\n<div class=\"tg_wrap_cbsv tg_wrap_cbsv_blue\" style=\"margin: 20px 0px; border-radius: 4px; border: 2px solid #0066b2;\"><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2><b>DNS l\u00e0 g\u00ec? DNS Look up l\u00e0 g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">DNS l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a Domain Name System, hay c\u00f2n g\u1ecdi l\u00e0 H\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n. \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p v\u00e0 ph\u00e2n t\u00e1n gi\u00fap chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n d\u1ec5 nh\u1edb th\u00e0nh \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp website.<\/span><\/p>\n<h2><b>DNS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng DNS ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 1: Truy v\u1ea5n (Query)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi b\u1ea1n nh\u1eadp t\u00ean mi\u1ec1n v\u00e0o tr\u00ecnh duy\u1ec7t web, tr\u00ecnh duy\u1ec7t s\u1ebd g\u1eedi m\u1ed9t truy v\u1ea5n DNS \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh trong c\u00e0i \u0111\u1eb7t m\u1ea1ng c\u1ee7a b\u1ea1n ho\u1eb7c \u0111\u01b0\u1ee3c cung c\u1ea5p t\u1ef1 \u0111\u1ed9ng b\u1edfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP). Truy v\u1ea5n n\u00e0y bao g\u1ed3m t\u00ean mi\u1ec1n b\u1ea1n mu\u1ed1n truy c\u1eadp.<\/span><\/p>\n<div id=\"attachment_23406\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-23406\" loading=\"lazy\" class=\"size-full wp-image-23406\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/04\/dns-lookup.png\" alt=\"DNS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?\" width=\"800\" height=\"600\" \/><p id=\"caption-attachment-23406\" class=\"wp-caption-text\">DNS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/p><\/div>\n<h3><b>B\u01b0\u1edbc 2: Caching<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Tr\u01b0\u1edbc khi g\u1eedi truy v\u1ea5n DNS \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS, tr\u00ecnh duy\u1ec7t s\u1ebd ki\u1ec3m tra b\u1ed9 nh\u1edb cache DNS \u0111\u1ec3 xem n\u00f3 c\u00f3 l\u01b0u tr\u1eef b\u1ea3n ghi DNS cho t\u00ean mi\u1ec1n \u0111\u00f3 hay kh\u00f4ng. B\u1ed9 nh\u1edb cache DNS l\u00e0 n\u01a1i l\u01b0u tr\u1eef t\u1ea1m th\u1eddi c\u00e1c b\u1ea3n ghi DNS \u0111\u00e3 \u0111\u01b0\u1ee3c tra c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy v\u1ea5n DNS.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u1ebfu b\u1ed9 nh\u1edb cache DNS c\u00f3 ch\u1ee9a b\u1ea3n ghi DNS cho t\u00ean mi\u1ec1n: Tr\u00ecnh duy\u1ec7t s\u1ebd s\u1eed d\u1ee5ng b\u1ea3n ghi \u0111\u00f3 \u0111\u1ec3 truy c\u1eadp website m\u00e0 kh\u00f4ng c\u1ea7n g\u1eedi truy v\u1ea5n DNS \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u1ebfu b\u1ed9 nh\u1edb cache DNS kh\u00f4ng c\u00f3 b\u1ea3n ghi DNS cho t\u00ean mi\u1ec1n: Tr\u00ecnh duy\u1ec7t s\u1ebd g\u1eedi truy v\u1ea5n DNS \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS.<\/span><\/li>\n<\/ul>\n<h3><b>B\u01b0\u1edbc 3: M\u00e1y ch\u1ee7 DNS ch\u00ednh (DNS root server)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Truy v\u1ea5n DNS \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS ch\u00ednh (DNS root server). M\u00e1y ch\u1ee7 DNS ch\u00ednh l\u01b0u tr\u1eef th\u00f4ng tin v\u1ec1 m\u00e1y ch\u1ee7 DNS c\u1ea5p cao nh\u1ea5t (TLD) cho t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c truy v\u1ea5n.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 4: Truy c\u1ea5n \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS c\u1ea5p cao h\u01a1n (Top-level Domain server)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ti\u1ebfp theo, tr\u00ecnh duy\u1ec7t s\u1ebd g\u1eedi truy v\u1ea5n DNS \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS c\u1ea5p cao nh\u1ea5t (TLD server) cho t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c truy v\u1ea5n. M\u00e1y ch\u1ee7 DNS c\u1ea5p cao nh\u1ea5t l\u01b0u tr\u1eef th\u00f4ng tin v\u1ec1 m\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3 (authoritative DNS server) cho t\u00ean mi\u1ec1n.<\/span><\/p>\n<h3><b>B\u01b0\u1edbc 5: Truy v\u1ea5n M\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3 (Authoritative DNS server)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Cu\u1ed1i c\u00f9ng, tr\u00ecnh duy\u1ec7t s\u1ebd g\u1eedi truy v\u1ea5n DNS \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3 (authoritative DNS server) cho t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c truy v\u1ea5n. M\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3 l\u01b0u tr\u1eef b\u1ea3n ghi DNS ch\u00ednh th\u1ee9c cho t\u00ean mi\u1ec1n, bao g\u1ed3m \u0111\u1ecba ch\u1ec9 IP c\u1ee7a website.<\/span><\/p>\n<div id=\"attachment_23407\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-23407\" loading=\"lazy\" class=\"size-full wp-image-23407\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/04\/dns-lookup-1.png\" alt=\"DNS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?\" width=\"800\" height=\"600\" \/><p id=\"caption-attachment-23407\" class=\"wp-caption-text\">DNS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/p><\/div>\n<h3><b>B\u01b0\u1edbc 6: Truy v\u1ea5n v\u00e0 ph\u1ea3n h\u1ed3i<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Khi m\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c truy v\u1ea5n DNS, n\u00f3 s\u1ebd tra c\u1ee9u b\u1ea3n ghi DNS cho t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c truy v\u1ea5n trong c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh. N\u1ebfu t\u00ecm th\u1ea5y b\u1ea3n ghi DNS, m\u00e1y ch\u1ee7 DNS c\u1ee5 th\u1ec3 s\u1ebd g\u1eedi ph\u1ea3n h\u1ed3i DNS cho tr\u00ecnh duy\u1ec7t, bao g\u1ed3m \u0111\u1ecba ch\u1ec9 IP c\u1ee7a website.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tr\u00ecnh duy\u1ec7t s\u1ebd s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 IP n\u00e0y \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef website v\u00e0 hi\u1ec3n th\u1ecb n\u1ed9i dung cho b\u1ea1n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra r\u1ea5t nhanh ch\u00f3ng, ch\u1ec9 trong v\u00e0i mili gi\u00e2y. Nh\u1edd c\u00f3 DNS, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i nh\u1edb \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p c\u1ee7a website m\u00e0 ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n d\u1ec5 nh\u1edb.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Xem th\u00eam: <\/span><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns-domain-check\/\"><span style=\"font-weight: 400;\">DNS Domain Check v\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng \u00edt ng\u01b0\u1eddi bi\u1ebft<\/span><\/a><\/p>\n<h2><b>T\u1ea1i sao c\u1ea7n DNS Look up?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">DNS Lookup (tra c\u1ee9u DNS) l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n d\u1ec5 nh\u1edb th\u00e0nh \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp website.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1edf d\u0129 c\u1ea7n c\u00f3 DNS Look up v\u00ec nh\u1eefng l\u00fd do sau \u0111\u00e2y:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e1y t\u00ednh ch\u1ec9 c\u00f3 th\u1ec3 hi\u1ec3u v\u00e0 giao ti\u1ebfp v\u1edbi nhau th\u00f4ng qua \u0111\u1ecba ch\u1ec9 IP, m\u1ed9t d\u00e3y s\u1ed1 g\u1ed3m b\u1ed1n nh\u00f3m, m\u1ed7i nh\u00f3m t\u1eeb 0 \u0111\u1ebfn 255 (v\u00ed d\u1ee5: 142.250.183.142).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Con ng\u01b0\u1eddi kh\u00f3 nh\u1edb nh\u1eefng d\u00e3y s\u1ed1 ph\u1ee9c t\u1ea1p n\u00e0y, do \u0111\u00f3, t\u00ean mi\u1ec1n ra \u0111\u1eddi \u0111\u1ec3 thay th\u1ebf. T\u00ean mi\u1ec1n th\u01b0\u1eddng ng\u1eafn g\u1ecdn, d\u1ec5 nh\u1edb v\u00e0 ph\u1ea3n \u00e1nh n\u1ed9i dung c\u1ee7a website (v\u00ed d\u1ee5: google.com).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DNS Lookup \u0111\u00f3ng vai tr\u00f2 trung gian, \"d\u1ecbch\" t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng, gi\u00fap m\u00e1y t\u00ednh \u0111\u1ecbnh v\u1ecb \u0111\u01b0\u1ee3c website b\u1ea1n mu\u1ed1n truy c\u1eadp.<\/span><\/li>\n<\/ul>\n<div id=\"attachment_23409\" style=\"width: 810px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-23409\" loading=\"lazy\" class=\"size-full wp-image-23409\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/04\/dns-lookup-3.png\" alt=\"DNS ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?\" width=\"800\" height=\"600\" \/><p id=\"caption-attachment-23409\" class=\"wp-caption-text\">T\u1ea1i sao c\u1ea7n DNS Lookup?<\/p><\/div>\n<h2><b>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a DNS Look up<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">G\u00f5 t\u00ean mi\u1ec1n v\u00e0o tr\u00ecnh duy\u1ec7t: Khi b\u1ea1n nh\u1eadp t\u00ean mi\u1ec1n v\u00e0o tr\u00ecnh duy\u1ec7t web (v\u00ed d\u1ee5: google.com), tr\u00ecnh duy\u1ec7t s\u1ebd kh\u00f4ng g\u1eedi tr\u1ef1c ti\u1ebfp t\u00ean mi\u1ec1n \u0111\u1ebfn internet.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Y\u00eau c\u1ea7u \u0111\u1ebfn Nameserver: Tr\u00ecnh duy\u1ec7t g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn nameserver - m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef th\u00f4ng tin \u00e1nh x\u1ea1 gi\u1eefa t\u00ean mi\u1ec1n v\u00e0 \u0111\u1ecba ch\u1ec9 IP.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ecm ki\u1ebfm nameserver: C\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p nameserver, tr\u00ecnh duy\u1ec7t s\u1ebd l\u1ea7n l\u01b0\u1ee3t truy v\u1ea5n c\u00e1c nameserver cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y nameserver c\u00f3 th\u1ea9m quy\u1ec1n cho t\u00ean mi\u1ec1n \u0111\u00f3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u1ea3 v\u1ec1 \u0111\u1ecba ch\u1ec9 IP: Nameserver tr\u1ea3 v\u1ec1 \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u00ean mi\u1ec1n \u0111\u00e3 y\u00eau c\u1ea7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ebft n\u1ed1i \u0111\u1ebfn website: Tr\u00ecnh duy\u1ec7t s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 IP \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a website v\u00e0 hi\u1ec3n th\u1ecb n\u1ed9i dung cho b\u1ea1n.<\/span><\/li>\n<\/ul>\n<h2><b>DNS Lookup c\u00f3 nh\u1eefng t\u00ednh n\u0103ng n\u1ed5i b\u1eadt n\u00e0o?<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 nh\u1edb: B\u1ea1n ch\u1ec9 c\u1ea7n nh\u1edb t\u00ean mi\u1ec1n thay v\u00ec \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00ednh linh ho\u1ea1t: N\u1ebfu \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 thay \u0111\u1ed5i, b\u1ea1n kh\u00f4ng c\u1ea7n c\u1eadp nh\u1eadt l\u1ea1i t\u00ean mi\u1ec1n v\u00ec DNS Lookup s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u00ecm ki\u1ebfm \u0111\u1ecba ch\u1ec9 IP m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00e2n c\u1ea5p: H\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p nameserver gi\u00fap ph\u00e2n t\u00e1n l\u01b0u tr\u1eef th\u00f4ng tin v\u00e0 t\u0103ng t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a DNS.<\/span><\/li>\n<\/ul>\n<h2><b>K\u1ebft lu\u1eadn<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">DNS Lookup l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng thi\u1ebft y\u1ebfu cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a internet. Nh\u1edd c\u00f3 DNS Lookup, vi\u1ec7c truy c\u1eadp website tr\u1edf n\u00ean d\u1ec5 d\u00e0ng v\u00e0 thu\u1eadn ti\u1ec7n h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng. L\u01b0u l\u1ea1i b\u00e0i vi\u1ebft \u0111\u1ec3 bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng DNS Look up \u0111\u00fang c\u00e1ch nh\u00e9.<\/span><\/p>\n<div class=\"tg_wrap_cbsv tg_wrap_cbsv_blue\" style=\"margin: 20px 0px; border-radius: 4px; border: 2px solid #0066b2;\"><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h4><strong>B\u00e0i li\u00ean quan<\/strong><\/h4>\n<ul>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns\/\">DNS l\u00e0 g\u00ec? T\u1eeb A-Z v\u1ec1 DNS Google, DNS Server, DNS VNPT<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns-1-1-1-1\/\">T\u1eeb A-Z v\u1ec1 DNS 1.1.1.1, h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t DNS 1.1.1.1 tr\u00ean m\u00e1y t\u00ednh v\u00e0 \u0111i\u1ec7n tho\u1ea1i<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/ddns\/\">DDNS l\u00e0 g\u00ec? C\u00e1c l\u1ee3i \u00edch m\u00e0 DDNS mang l\u1ea1i b\u1ea1n kh\u00f4ng n\u00ean b\u1ecf l\u1ee1<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/flush-dns\/\">Flush DNS l\u00e0 g\u00ec? C\u00e1ch x\u00f3a cache DNS trong Windows chi ti\u1ebft nh\u1ea5t<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns-security\/\">DNS Security l\u00e0 g\u00ec? N\u00ean ch\u1ecdn DNS Security n\u00e0o t\u1ed1t nh\u1ea5t?<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns-domain-check\/\">DNS Domain Check v\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng \u00edt ng\u01b0\u1eddi bi\u1ebft<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns_probe_finished_nxdomain\/\">L\u1ed7i DNS_PROBE_FINISHED_NXDOMAIN l\u00e0 g\u00ec? M\u1ed9t s\u1ed1 c\u00e1ch kh\u1eafc ph\u1ee5c nhanh, hi\u1ec7u qu\u1ea3 cao<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/dns_probe_started\/\">Nguy\u00ean nh\u00e2n l\u1ed7i DNS_PROBE_STARTED v\u00e0 6 c\u00e1ch kh\u1eafc ph\u1ee5c nhanh ch\u00f3ng<\/a><\/li>\n<li class=\"title-article\"><a href=\"https:\/\/cloud.z.com\/vn\/news\/adguard-dns\/\">AdGuard DNS l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t AdGuard DNS tr\u00ean Windows, iOS, Android, Ubuntu<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/domain\/\">Domain l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1eeb A-Z<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-la-gi\/\">T\u00ean mi\u1ec1n l\u00e0 g\u00ec? Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-vn\/\">T\u00ean mi\u1ec1n vn: L\u1ee3i \u00edch &amp; \u01afu \u0111i\u1ec3m c\u1ee7a t\u00ean mi\u1ec1n Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-vn-2\/\">T\u00ean mi\u1ec1n .vn l\u00e0 g\u00ec? N\u00ean mua t\u00ean mi\u1ec1n .vn \u1edf \u0111\u00e2u r\u1ebb nh\u1ea5t?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-com-vn\/\">T\u00ean mi\u1ec1n .com.vn l\u00e0 g\u00ec? N\u00ean ch\u1ecdn t\u00ean mi\u1ec1n .com.vn hay .vn?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-edu-vn\/\">T\u00ean mi\u1ec1n Edu.vn l\u00e0 c\u00e1nh c\u1ed5ng truy\u1ec1n t\u1ea3i tri th\u1ee9c tr\u1ef1c tuy\u1ebfn<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-biz-vn-2\/\">\u00dd ngh\u0129a t\u00ean mi\u1ec1n biz vn v\u00e0 l\u1ee3i th\u1ebf khi d\u00f9ng .biz.vn cho doanh nghi\u1ec7p<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-name-vn\/\">T\u1eeb A-Z v\u1ec1 t\u00ean mi\u1ec1n name.vn, \u0111\u0103ng k\u00fd name.vn \u1edf \u0111\u00e2u r\u1ebb v\u00e0 uy t\u00edn?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-ai-vn\/\">T\u00ean mi\u1ec1n ai.vn l\u00e0 g\u00ec? Mang l\u1ea1i l\u1ee3i \u00edch g\u00ec khi s\u1eed d\u1ee5ng?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-id-vn\/\">T\u00ean mi\u1ec1n id.vn l\u00e0 g\u00ec? L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n id.vn<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-io-vn\/\">T\u00ean mi\u1ec1n io.vn l\u00e0 g\u00ec? Mang l\u1ea1i l\u1ee3i \u00edch g\u00ec khi s\u1eed d\u1ee5ng?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-net\/\">T\u00ean mi\u1ec1n .net l\u00e0 g\u00ec? L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n .net gi\u00e1 r\u1ebb<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>DNS Look up (tra c\u1ee9u DNS) l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n (domain name) d\u1ec5 nh\u1edb th\u00e0nh \u0111\u1ecba ch\u1ec9 IP (Internet Protocol) kh\u00f3 nh\u1edb, gi\u1ed1ng nh\u01b0 vi\u1ec7c tra c\u1ee9u danh b\u1ea1 \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 t\u00ecm s\u1ed1 \u0111i\u1ec7n tho\u1ea1i...<\/p>\n","protected":false},"author":28,"featured_media":10621,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[177,83],"tags":[],"jetpack_featured_media_url":"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/04\/dns-lookup-2.png","_links":{"self":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/10620"}],"collection":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/comments?post=10620"}],"version-history":[{"count":2,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/10620\/revisions"}],"predecessor-version":[{"id":10711,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/10620\/revisions\/10711"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media\/10621"}],"wp:attachment":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media?parent=10620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/categories?post=10620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/tags?post=10620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}