{"id":12366006,"date":"2026-03-13T16:18:27","date_gmt":"2026-03-13T08:18:27","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e4%bb%80%e4%b9%88%e6%98%af%e5%9f%9f%e5%90%8d%ef%bc%9f\/"},"modified":"2026-03-13T16:33:40","modified_gmt":"2026-03-13T08:33:40","slug":"what-is-a-domain-name-e7-9f-a5-e8-af-86","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/what-is-a-domain-name-e7-9f-a5-e8-af-86\/","title":{"rendered":"T\u00ean mi\u1ec1n l\u00e0 g\u00ec?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">T\u00ean mi\u1ec1n l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ean mi\u1ec1n l\u00e0 m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean internet \u0111\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 \u0111\u1ecbnh v\u1ecb m\u00e1y t\u00ednh. N\u00f3 l\u00e0 m\u1ed9t t\u00ean g\u1ecdi th\u00e2n thi\u1ec7n thay th\u1ebf cho \u0111\u1ecba ch\u1ec9 IP, gi\u00fap m\u1ecdi ng\u01b0\u1eddi d\u1ec5 d\u00e0ng ghi nh\u1edb v\u00e0 truy c\u1eadp trang web, g\u1eedi email, v.v. M\u1ed9t t\u00ean mi\u1ec1n \u0111\u1ea7y \u0111\u1ee7 bao g\u1ed3m nhi\u1ec1u ph\u1ea7n, v\u00ed d\u1ee5 trong \u201cwww.example.com\u201d, \u201c.com\u201d l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t, \u201cexample\u201d l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p hai, \u201cwww\u201d th\u01b0\u1eddng l\u00e0 t\u00ean m\u00e1y ch\u1ee7 ho\u1eb7c t\u00ean mi\u1ec1n ph\u1ee5. H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS) ch\u1ecbu tr\u00e1ch nhi\u1ec7m chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n d\u1ec5 hi\u1ec3u v\u1edbi con ng\u01b0\u1eddi th\u00e0nh \u0111\u1ecba ch\u1ec9 IP m\u00e0 m\u00e1y t\u00ednh s\u1eed d\u1ee5ng \u0111\u1ec3 giao ti\u1ebfp v\u1edbi nhau, \u0111\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng internet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u1ea5u tr\u00fac v\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a t\u00ean mi\u1ec1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t t\u00ean mi\u1ec1n \u0111\u1ea7y \u0111\u1ee7 tu\u00e2n theo c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p t\u1eeb ph\u1ea3i sang tr\u00e1i, t\u1eeb l\u1edbn \u0111\u1ebfn nh\u1ecf. Hi\u1ec3u r\u00f5 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u0103ng k\u00fd, qu\u1ea3n l\u00fd v\u00e0 c\u1ea5u h\u00ecnh t\u00ean mi\u1ec1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t l\u00e0 ph\u1ea7n n\u1eb1m \u1edf ph\u00eda ngo\u00e0i c\u00f9ng b\u00ean ph\u1ea3i c\u1ee7a t\u00ean mi\u1ec1n, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1eadu t\u1ed1 t\u00ean mi\u1ec1n. Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i:<br \/>\nT\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t chung, nh\u01b0 .com (t\u1ed5 ch\u1ee9c th\u01b0\u01a1ng m\u1ea1i), .org (t\u1ed5 ch\u1ee9c), .net (t\u1ed5 ch\u1ee9c d\u1ecbch v\u1ee5 m\u1ea1ng) v\u00e0 nhi\u1ec1u t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t chung m\u1edbi \u0111\u01b0\u1ee3c b\u1ed5 sung sau n\u00e0y, nh\u01b0 .app, .shop, .ai, v.v.<br \/>\nT\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t m\u00e3 qu\u1ed1c gia v\u00e0 v\u00f9ng l\u00e3nh th\u1ed5, nh\u01b0 .cn (Trung Qu\u1ed1c), .us (M\u1ef9), .uk (Anh), .jp (Nh\u1eadt B\u1ea3n), v.v. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho qu\u1ed1c gia ho\u1eb7c v\u00f9ng l\u00e3nh th\u1ed5 c\u1ee5 th\u1ec3.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/pt\/knowledge\/domain\/complete-guide-to-domain-names-registration-purchase-management-maintenance\/\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 t\u00ean mi\u1ec1n: T\u1eeb \u0111\u0103ng k\u00fd mua \u0111\u1ebfn qu\u1ea3n l\u00fd b\u1ea3o tr\u00ec<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ean mi\u1ec1n c\u1ea5p hai v\u00e0 t\u00ean mi\u1ec1n ph\u1ee5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n b\u00ean tr\u00e1i c\u1ee7a t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p hai, v\u00ed d\u1ee5 nh\u01b0 \u201cexample\u201d trong \u201cexample.com\u201d. \u0110\u00e2y l\u00e0 ph\u1ea7n ch\u00ednh m\u00e0 ng\u01b0\u1eddi d\u00f9ng t\u1ef1 ch\u1ecdn v\u00e0 s\u1edf h\u1eefu khi \u0111\u0103ng k\u00fd, th\u1ec3 hi\u1ec7n tr\u1ef1c ti\u1ebfp th\u01b0\u01a1ng hi\u1ec7u v\u00e0 danh t\u00ednh.<br \/>\nT\u00ean mi\u1ec1n ph\u1ee5 l\u00e0 ti\u1ec1n t\u1ed1 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o tr\u01b0\u1edbc t\u00ean mi\u1ec1n c\u1ea5p hai, v\u00ed d\u1ee5 nh\u01b0 \u201cblog\u201d trong \u201cblog.example.com\u201d. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 t\u1ea1o v\u00f4 s\u1ed1 t\u00ean mi\u1ec1n ph\u1ee5 t\u00f9y theo nhu c\u1ea7u, d\u00f9ng \u0111\u1ec3 tr\u1ecf \u0111\u1ebfn c\u00e1c ph\u00e2n v\u00f9ng ho\u1eb7c d\u1ecbch v\u1ee5 kh\u00e1c nhau c\u1ee7a trang web, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cmail.example.com\u201d cho d\u1ecbch v\u1ee5 email, \u201cshop.example.com\u201d cho c\u1eeda h\u00e0ng tr\u1ef1c tuy\u1ebfn.<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\n  <div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\n         data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-com-domains\/\">\n\n      <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\n        <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n hosting.com<\/strong>\n        <div class=\"text-gray-600 dark:text-gray-300 word-word\">Th\u00f4ng qua g\u00f3i l\u01b0u tr\u1eef chia s\u1ebb h\u00e0ng n\u0103m, nh\u1eadn t\u00ean mi\u1ec1n .com mi\u1ec5n ph\u00ed trong m\u1ed9t n\u0103m, h\u1ed7 tr\u1ee3 300+ h\u1eadu t\u1ed1 t\u00ean mi\u1ec1n, qu\u1ea3n l\u00fd DNS mi\u1ec5n ph\u00ed, h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24\/7<\/div>\n      <\/div>\n\n      <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\n                  <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-com-domains\/\">\n                          <!-- \u767d\u5929 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/09\/20250901222940.svg\" alt=\"\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n LOGO\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\n              <!-- \u591c\u95f4 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251228220957.webp\" alt=\"\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n LOGO\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\n                      <\/a>\n          \n        <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-com-domains\/\"\n           class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\n          Truy c\u1eadp hosting.com        <\/a>\n      <\/div>\n    <\/div>\n\n    \n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n v\u00e0 ph\u00e2n gi\u1ea3i DNS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y ch\u1ee7 \u0111\u1eb7c bi\u1ec7t l\u01b0u tr\u1eef m\u1ed1i quan h\u1ec7 \u00e1nh x\u1ea1 gi\u1eefa t\u00ean mi\u1ec1n v\u00e0 \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng. Khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp m\u1ed9t t\u00ean mi\u1ec1n v\u00e0o tr\u00ecnh duy\u1ec7t, qu\u00e1 tr\u00ecnh ph\u00e2n gi\u1ea3i DNS s\u1ebd b\u1eaft \u0111\u1ea7u: tr\u00ecnh duy\u1ec7t tr\u01b0\u1edbc ti\u00ean ki\u1ec3m tra b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee5c b\u1ed9, n\u1ebfu kh\u00f4ng c\u00f3 k\u1ebft qu\u1ea3 th\u00ec s\u1ebd g\u1eedi truy v\u1ea5n \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS \u0111\u1ec7 quy (th\u01b0\u1eddng \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi ISP), m\u00e1y ch\u1ee7 \u0111\u1ec7 quy sau \u0111\u00f3 l\u1ea7n l\u01b0\u1ee3t th\u1ef1c hi\u1ec7n truy v\u1ea5n l\u1eb7p \u0111\u1ebfn m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n g\u1ed1c, m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t v\u00e0 m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n c\u00f3 th\u1ea9m quy\u1ec1n, cho \u0111\u1ebfn khi nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ecba ch\u1ec9 IP c\u1ee7a t\u00ean mi\u1ec1n m\u1ee5c ti\u00eau v\u00e0 tr\u1ea3 v\u1ec1 cho tr\u00ecnh duy\u1ec7t, t\u1eeb \u0111\u00f3 ho\u00e0n t\u1ea5t vi\u1ec7c truy c\u1eadp.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch \u0111\u0103ng k\u00fd v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u0103ng k\u00fd v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 h\u1ec7 th\u1ed1ng, li\u00ean quan \u0111\u1ebfn nhi\u1ec1u b\u01b0\u1edbc v\u00e0 vi\u1ec7c b\u1ea3o tr\u00ec li\u00ean t\u1ee5c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n l\u00e0 th\u1ef1c th\u1ec3 th\u01b0\u01a1ng m\u1ea1i \u0111\u01b0\u1ee3c ICANN ho\u1eb7c c\u01a1 quan qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n qu\u1ed1c gia ch\u1ee9ng nh\u1eadn, cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n. Khi l\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd, c\u1ea7n xem x\u00e9t uy t\u00edn, t\u00ednh minh b\u1ea1ch v\u1ec1 gi\u00e1 c\u1ea3, t\u00ednh d\u1ec5 s\u1eed d\u1ee5ng c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n l\u00fd, kh\u1ea3 n\u0103ng ph\u1ea3n h\u1ed3i c\u1ee7a h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng, c\u0169ng nh\u01b0 c\u00e1c gi\u00e1 tr\u1ecb gia t\u0103ng nh\u01b0 c\u00f3 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 mi\u1ec5n ph\u00ed hay kh\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quy tr\u00ecnh \u0111\u0103ng k\u00fd v\u00e0 mua t\u00ean mi\u1ec1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea7u ti\u00ean, c\u1ea7n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd \u0111\u1ec3 ki\u1ec3m tra t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a t\u00ean mi\u1ec1n mong mu\u1ed1n. N\u1ebfu t\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd, c\u00f3 th\u1ec3 th\u1eed c\u00e1c h\u1eadu t\u1ed1 kh\u00e1c ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh t\u00ean. Sau khi x\u00e1c nh\u1eadn kh\u1ea3 d\u1ee5ng, th\u00eam n\u00f3 v\u00e0o gi\u1ecf h\u00e0ng v\u00e0 ho\u00e0n t\u1ea5t quy tr\u00ecnh mua h\u00e0ng. Khi \u0111\u0103ng k\u00fd c\u1ea7n cung c\u1ea5p th\u00f4ng tin ng\u01b0\u1eddi \u0111\u0103ng k\u00fd ch\u00ednh x\u00e1c, trung th\u1ef1c. Sau khi thanh to\u00e1n th\u00e0nh c\u00f4ng, th\u01b0\u1eddng m\u1ea5t t\u1eeb v\u00e0i gi\u1edd \u0111\u1ebfn 48 gi\u1edd \u0111\u1ec3 t\u00ean mi\u1ec1n ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7y \u0111\u1ee7 trong h\u1ec7 th\u1ed1ng DNS to\u00e0n c\u1ea7u.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/pt\/knowledge\/domain\/what-is-a-domain-name-complete-guide-to-selection-and-registration\/\">T\u00ean mi\u1ec1n l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 l\u1ef1a ch\u1ecdn v\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">Chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd v\u00e0 gia h\u1ea1n t\u00ean mi\u1ec1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi \u0111\u0103ng k\u00fd th\u00e0nh c\u00f4ng, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n th\u00f4ng qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n do nh\u00e0 \u0111\u0103ng k\u00fd cung c\u1ea5p. C\u00e1c nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd quan tr\u1ecdng bao g\u1ed3m: s\u1eeda \u0111\u1ed5i b\u1ea3n ghi m\u00e1y ch\u1ee7 DNS \u0111\u1ec3 tr\u1ecf t\u00ean mi\u1ec1n \u0111\u1ebfn kh\u00f4ng gian l\u01b0u tr\u1eef trang web; thi\u1ebft l\u1eadp ho\u1eb7c s\u1eeda \u0111\u1ed5i t\u00ean mi\u1ec1n ph\u1ee5; b\u1eadt t\u00ednh n\u0103ng b\u1ea3o m\u1eadt t\u00ean mi\u1ec1n \u0111\u1ec3 \u1ea9n th\u00f4ng tin WHOIS c\u00f4ng khai; quan tr\u1ecdng nh\u1ea5t l\u00e0 theo d\u00f5i th\u1eddi gian h\u1ebft h\u1ea1n c\u1ee7a t\u00ean mi\u1ec1n v\u00e0 gia h\u1ea1n k\u1ecbp th\u1eddi. T\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c t\u00ednh ph\u00ed theo n\u0103m, vi\u1ec7c qu\u00ean gia h\u1ea1n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n v\u00e0 b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd, g\u00e2y ra t\u1ed5n th\u1ea5t kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c. N\u00ean k\u00edch ho\u1ea1t t\u00ednh n\u0103ng gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1ef1c h\u00e0nh c\u00f4ng ngh\u1ec7 ch\u00ednh li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 t\u00ean mi\u1ec1n kh\u00f4ng th\u1ec3 thi\u1ebfu m\u1ed9t lo\u1ea1t c\u1ea5u h\u00ecnh k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i b\u1ea3n ghi DNS v\u00e0 c\u1ea5u h\u00ecnh c\u1ee7a ch\u00fang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c lo\u1ea1i b\u1ea3n ghi DNS ph\u1ed5 bi\u1ebfn bao g\u1ed3m: B\u1ea3n ghi A, d\u00f9ng \u0111\u1ec3 tr\u1ecf t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4; B\u1ea3n ghi AAAA, tr\u1ecf \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IPv6; B\u1ea3n ghi CNAME, tr\u1ecf bi\u1ec7t danh t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c; B\u1ea3n ghi MX, ch\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 mail ch\u1ecbu tr\u00e1ch nhi\u1ec7m nh\u1eadn email c\u1ee7a t\u00ean mi\u1ec1n; B\u1ea3n ghi TXT, th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef ch\u00ednh s\u00e1ch ch\u1ed1ng th\u01b0 r\u00e1c SPF ho\u1eb7c th\u00f4ng tin x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n; B\u1ea3n ghi NS, ch\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n c\u00f3 th\u1ea9m quy\u1ec1n cho t\u00ean mi\u1ec1n \u0111\u00f3. C\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c c\u00e1c b\u1ea3n ghi n\u00e0y l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 website, h\u1ed9p th\u01b0 \u0111i\u1ec7n t\u1eed ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\n  <div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\n         data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-domain\/\">\n\n      <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\n        <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n UltaHost<\/strong>\n        <div class=\"text-gray-600 dark:text-gray-300 word-word\">H\u01a1n 300 \u0111u\u00f4i t\u00ean mi\u1ec1n, ch\u1ecdn g\u00f3i l\u01b0u tr\u1eef h\u00e0ng n\u0103m, t\u1eadn h\u01b0\u1edfng t\u00ean mi\u1ec1n mi\u1ec5n ph\u00ed! Chuy\u1ec3n t\u00ean mi\u1ec1n sang Ultahost \u0111\u1ec3 \u0111\u01b0\u1ee3c gia h\u1ea1n mi\u1ec5n ph\u00ed m\u1ed9t n\u0103m, .com $9.49 n\u0103m \u0111\u1ea7u ti\u00ean<\/div>\n      <\/div>\n\n      <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\n                  <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-domain\/\">\n                          <!-- \u767d\u5929 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251227020448.webp\" alt=\"\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n LOGO\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\n              <!-- \u591c\u95f4 -->\n              <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251229052118.webp\" alt=\"\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n LOGO\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\n                      <\/a>\n          \n        <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-domain\/\"\n           class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\n          Truy c\u1eadp UltaHost        <\/a>\n      <\/div>\n    <\/div>\n\n    \n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ee9ng ch\u1ec9 SSL\/TLS v\u00e0 b\u1ea3o m\u1eadt t\u00ean mi\u1ec1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9ng ch\u1ec9 SSL\/TLS cung c\u1ea5p k\u1ebft n\u1ed1i m\u00e3 h\u00f3a cho trang web, thanh \u0111\u1ecba ch\u1ec9 tr\u00ecnh duy\u1ec7t s\u1ebd hi\u1ec3n th\u1ecb bi\u1ec3u t\u01b0\u1ee3ng \u1ed5 kh\u00f3a v\u00e0 \u201cHTTPS\u201d. Ch\u1ee9ng ch\u1ec9 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi t\u00ean mi\u1ec1n, c\u00f3 th\u1ec3 l\u00e0 ch\u1ee9ng ch\u1ec9 \u0111\u01a1n cho m\u1ed9t t\u00ean mi\u1ec1n duy nh\u1ea5t, ho\u1eb7c ch\u1ee9ng ch\u1ec9 th\u00f4ng d\u1ee5ng bao ph\u1ee7 m\u1ed9t t\u00ean mi\u1ec1n v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c t\u00ean mi\u1ec1n ph\u1ee5 c\u1ee7a n\u00f3. Vi\u1ec7c l\u1ea5y v\u00e0 c\u00e0i \u0111\u1eb7t ch\u1ee9ng ch\u1ec9 SSL \u0111\u00e3 tr\u1edf th\u00e0nh c\u1ea5u h\u00ecnh ti\u00eau chu\u1ea9n cho b\u1ea3o m\u1eadt trang web, n\u00f3 c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 an to\u00e0n truy\u1ec1n d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 v\u00e0 n\u00e2ng cao m\u1ee9c \u0111\u1ed9 tin c\u1eady c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chuy\u1ec3n giao v\u00e0 giao d\u1ecbch t\u00ean mi\u1ec1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ean mi\u1ec1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n quy\u1ec1n qu\u1ea3n l\u00fd t\u1eeb m\u1ed9t nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n sang nh\u00e0 \u0111\u0103ng k\u00fd kh\u00e1c, qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cchuy\u1ec3n giao\u201d. Th\u00f4ng th\u01b0\u1eddng c\u1ea7n m\u1edf kh\u00f3a t\u00ean mi\u1ec1n t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd c\u0169 v\u00e0 l\u1ea5y m\u00e3 \u1ee7y quy\u1ec1n chuy\u1ec3n giao tr\u01b0\u1edbc. Ngo\u00e0i ra, n\u1ebfu t\u00ean mi\u1ec1n mong mu\u1ed1n \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd, c\u00f3 th\u1ec3 mua th\u00f4ng qua d\u1ecbch v\u1ee5 m\u00f4i gi\u1edbi t\u00ean mi\u1ec1n ho\u1eb7c n\u1ec1n t\u1ea3ng giao d\u1ecbch. Giao d\u1ecbch t\u00ean mi\u1ec1n gi\u00e1 cao li\u00ean quan \u0111\u1ebfn \u0111\u00e0m ph\u00e1n, thanh to\u00e1n \u1ee7y th\u00e1c b\u00ean th\u1ee9 ba v\u00e0 quy tr\u00ecnh chuy\u1ec3n giao ch\u00ednh th\u1ee9c, c\u1ea7n thao t\u00e1c c\u1ea9n th\u1eadn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00f3m l\u1ea1i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ean mi\u1ec1n v\u1edbi t\u01b0 c\u00e1ch l\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb c\u1ed1t l\u00f5i c\u1ee7a th\u1ebf gi\u1edbi internet, gi\u00e1 tr\u1ecb c\u1ee7a n\u00f3 v\u01b0\u1ee3t xa m\u1ed9t c\u1ed5ng truy c\u1eadp \u0111\u01a1n thu\u1ea7n. N\u00f3 l\u00e0 \u0111\u1ecbnh danh th\u01b0\u01a1ng hi\u1ec7u tr\u1ef1c tuy\u1ebfn, n\u1ec1n t\u1ea3ng t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a doanh nghi\u1ec7p, v\u00e0 c\u0169ng l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1ea5t c\u1ea3 d\u1ecbch v\u1ee5 tr\u1ef1c tuy\u1ebfn \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng truy c\u1eadp. T\u1eeb vi\u1ec7c hi\u1ec3u c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p c\u1ee7a n\u00f3, \u0111\u1ebfn ho\u00e0n th\u00e0nh \u0111\u0103ng k\u00fd, qu\u1ea3n l\u00fd, r\u1ed3i \u0111\u1ebfn th\u00e0nh th\u1ea1o c\u1ea5u h\u00ecnh c\u00e1c b\u1ea3n ghi DNS kh\u00e1c nhau v\u00e0 th\u1ef1c h\u00e0nh b\u1ea3o m\u1eadt, m\u1ed7i kh\u00e2u \u0111\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. Trong th\u1eddi \u0111\u1ea1i kinh t\u1ebf s\u1ed1, l\u1ef1a ch\u1ecdn c\u1ea9n th\u1eadn v\u00e0 qu\u1ea3n l\u00fd \u0111\u00fang \u0111\u1eafn t\u00ean mi\u1ec1n, l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 b\u1ea5t k\u1ef3 c\u00e1 nh\u00e2n hay t\u1ed5 ch\u1ee9c n\u00e0o x\u00e2y d\u1ef1ng s\u1ef1 hi\u1ec7n di\u1ec7n tr\u1ef1c tuy\u1ebfn v\u1eefng ch\u1eafc, c\u0169ng l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n chi\u1ebfn l\u01b0\u1ee3c mang t\u00ednh li\u00ean t\u1ee5c.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/pt\/knowledge\/domain\/domain-registration-dns-security-guide\/\">Ph\u00e2n t\u00edch k\u1ef9 thu\u1eadt \u0111\u1eb1ng sau t\u00ean mi\u1ec1n: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 t\u1eeb \u0111\u0103ng k\u00fd, ph\u00e2n gi\u1ea3i \u0111\u1ebfn b\u1ea3o v\u1ec7 an ninh<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h2 class=\"wp-block-heading\">FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ean mi\u1ec1n v\u00e0 \u0111\u1ecba ch\u1ec9 web kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecba ch\u1ec9 web l\u00e0 m\u1ed9t b\u1ed9 \u0111\u1ecbnh v\u1ecb t\u00e0i nguy\u00ean ho\u00e0n ch\u1ec9nh, bao g\u1ed3m giao th\u1ee9c truy c\u1eadp (nh\u01b0 HTTP\/HTTPS), t\u00ean mi\u1ec1n, c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1eddng d\u1eabn c\u1ee5 th\u1ec3 v\u00e0 t\u00ean t\u1ec7p. V\u00ed d\u1ee5, \u201chttps:\/\/www.example.com\/blog\/article.html\u201d l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 web, trong \u0111\u00f3 \u201cexample.com\u201d l\u00e0 t\u00ean mi\u1ec1n. T\u00ean mi\u1ec1n l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a \u0111\u1ecba ch\u1ec9 web.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n c\u00f3 \u0111\u01b0\u1ee3c s\u1edf h\u1eefu v\u0129nh vi\u1ec5n kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng. \u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n kh\u00f4ng ph\u1ea3i l\u00e0 mua v\u0129nh vi\u1ec5n, m\u00e0 l\u00e0 thu\u00ea theo n\u0103m. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u00f3 quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3 trong th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd c\u00f2n hi\u1ec7u l\u1ef1c. Ph\u1ea3i tr\u1ea3 ph\u00ed gia h\u1ea1n \u0111\u1ecbnh k\u1ef3 (th\u01b0\u1eddng l\u00e0 h\u00e0ng n\u0103m) cho nh\u00e0 \u0111\u0103ng k\u00fd \u0111\u1ec3 duy tr\u00ec quy\u1ec1n s\u1edf h\u1eefu. N\u1ebfu ng\u1eebng gia h\u1ea1n, t\u00ean mi\u1ec1n cu\u1ed1i c\u00f9ng s\u1ebd h\u1ebft h\u1ea1n v\u00e0 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng cho c\u00f4ng ch\u00fang \u0111\u0103ng k\u00fd l\u1ea1i.<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n<div class=\"grid grid-cols-1 md:grid-cols-2 gap-4 md:gap-6 mb-8 md:mb-10 mt-10\"> \r\n\t<!-- \u91cd\u590d\u5668\u5faa\u73af\u5f00\u59cb -->\r\n\t\t\r\n\t<!-- \u5546\u5bb6\u5361\u7247 -->\r\n\t<div class=\"bg-white dark:bg-gray-750 rounded-lg overflow-hidden shadow-md flex gap-1 flex-col     justify-between\" data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/bluehost-domains\/\">\r\n\t\t<div class=\"flex items-start justify-between\"> \r\n\t\t\t<!-- \u5546\u5bb6logo -->\r\n\t\t\t<div class=\"w-16 h-16 bg-blue-200 dark:bg-blue-500\/30 flex items-center justify-center flex-shrink-0 p-3\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251231095917.webp\" alt=\"\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n Bluehost\" class=\"w-12 object-contain !dark-filter08\" title=\"\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t<!-- \u5546\u5bb6\u4fe1\u606f -->\r\n\t\t\t<div class=\"px-4 pt-2 flex-grow\">\r\n\t\t\t\t<div class=\"flex justify-between items-start mb-2\">\r\n\t\t\t\t\t<strong class=\"text-xl font-bold\">\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n Bluehost<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<span class=\"text-gray-500 dark:text-gray-300 !text-sm p-4 pb-0\">H\u1ed7 tr\u1ee3 tr\u00ecnh t\u1ea1o t\u00ean mi\u1ec1n AI, d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 24\/7<\/span>\r\n\t\t\t\t<div class=\"flex flex-col gap-4 md:gap-6 justify-between p-4\"> \r\n\t\t\t<!-- \u6807\u7b7e -->\r\n\t\t\t\t\t\t\r\n\t\t\t<!-- \u6d3b\u52a8\u548c\u94fe\u63a5 --> \r\n\t\t\t<div class=\"flex justify-between items-center gap-3 flex-col\">\r\n\t\t\t\t\t\t\t\t<div class=\"text-gray-500 dark:text-gray-300 !text-sm line-clamp-1\">T\u1ea1o t\u00ean mi\u1ec1n b\u1eb1ng AI<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/bluehost-domains\/\" class=\"flex justify-end font-bold !text-lg !text-blue-600 dark:!text-blue-500\">Truy c\u1eadp Bluehost \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t\r\n\t<!-- \u5546\u5bb6\u5361\u7247 -->\r\n\t<div class=\"bg-white dark:bg-gray-750 rounded-lg overflow-hidden shadow-md flex gap-1 flex-col     justify-between\" data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/wordpress-com\/\">\r\n\t\t<div class=\"flex items-start justify-between\"> \r\n\t\t\t<!-- \u5546\u5bb6logo -->\r\n\t\t\t<div class=\"w-16 h-16 bg-blue-200 dark:bg-blue-500\/30 flex items-center justify-center flex-shrink-0 p-3\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2026\/01\/20260107032104.svg\" alt=\"WordPress.com \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n\" class=\"w-12 object-contain !dark-filter08\" title=\"\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t\t\r\n\t\t\t<!-- \u5546\u5bb6\u4fe1\u606f -->\r\n\t\t\t<div class=\"px-4 pt-2 flex-grow\">\r\n\t\t\t\t<div class=\"flex justify-between items-start mb-2\">\r\n\t\t\t\t\t<strong class=\"text-xl font-bold\">WordPress.com \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/strong>\r\n\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t\t\t\t<span class=\"text-gray-500 dark:text-gray-300 !text-sm p-4 pb-0\">Ch\u1ecdn g\u00f3i cao c\u1ea5p nh\u1ea5t \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m gi\u00e1 l\u00ean \u0111\u1ebfn 69% + mi\u1ec5n ph\u00ed chuy\u1ec3n t\u00ean mi\u1ec1n, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd t\u1eeb .com, .blog v\u00e0 h\u01a1n 350 \u0111u\u00f4i t\u00ean mi\u1ec1n kh\u00e1c.<\/span>\r\n\t\t\t\t<div class=\"flex flex-col gap-4 md:gap-6 justify-between p-4\"> \r\n\t\t\t<!-- \u6807\u7b7e -->\r\n\t\t\t\t\t\t\r\n\t\t\t<!-- \u6d3b\u52a8\u548c\u94fe\u63a5 --> \r\n\t\t\t<div class=\"flex justify-between items-center gap-3 flex-col\">\r\n\t\t\t\t\t\t\t\t<div class=\"text-gray-500 dark:text-gray-300 !text-sm line-clamp-1\">Mua g\u00f3i thanh to\u00e1n h\u00e0ng n\u0103m, t\u00ean mi\u1ec1n mi\u1ec5n ph\u00ed n\u0103m \u0111\u1ea7u ti\u00ean<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/wordpress-com\/\" class=\"flex justify-end font-bold !text-lg !text-blue-600 dark:!text-blue-500\">Truy c\u1eadp \u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n WordPress.com \u2192<\/a>\r\n\t\t\t\t\t\t\t<\/div> \r\n\t\t<\/div>\r\n\t<\/div>\r\n\t\t<!-- \u91cd\u590d\u5668\u5faa\u73af\u7ed3\u675f -->\r\n<\/div>\r\n\r\n\r\n\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 t\u00ean mi\u1ec1n l\u00e0 g\u00ec, c\u00f3 c\u1ea7n thi\u1ebft b\u1eadt kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 t\u00ean mi\u1ec1n l\u00e0 m\u1ed9t d\u1ecbch v\u1ee5 nh\u1eb1m \u1ea9n th\u00f4ng tin c\u00e1 nh\u00e2n nh\u01b0 t\u00ean, \u0111\u1ecba ch\u1ec9, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i v\u00e0 email c\u1ee7a ng\u01b0\u1eddi \u0111\u0103ng k\u00fd hi\u1ec3n th\u1ecb trong c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f4ng khai WHOIS, thay th\u1ebf b\u1eb1ng th\u00f4ng tin \u0111\u1ea1i di\u1ec7n do nh\u00e0 \u0111\u0103ng k\u00fd cung c\u1ea5p. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7u qu\u1ea3 r\u1ee7i ro th\u01b0 r\u00e1c, cu\u1ed9c g\u1ecdi l\u1eeba \u0111\u1ea3o v\u00e0 r\u00f2 r\u1ec9 danh t\u00ednh. \u0110\u1ed1i v\u1edbi c\u00e1 nh\u00e2n v\u00e0 nhi\u1ec1u doanh nghi\u1ec7p, vi\u1ec7c b\u1eadt d\u1ecbch v\u1ee5 n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft, m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 nh\u00e0 \u0111\u0103ng k\u00fd c\u00f3 th\u1ec3 t\u00ednh ph\u00ed b\u1ed5 sung, nh\u01b0ng c\u0169ng c\u00f3 nhi\u1ec1u n\u01a1i cung c\u1ea5p b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nhi\u1ec1u t\u00ean mi\u1ec1n c\u00f3 th\u1ec3 tr\u1ecf \u0111\u1ebfn c\u00f9ng m\u1ed9t trang web kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 th\u1ec3. B\u1eb1ng c\u00e1ch c\u1ea5u h\u00ecnh b\u1ea3n ghi DNS, nhi\u1ec1u t\u00ean mi\u1ec1n kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ecf \u0111\u1ebfn c\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u1ed9t m\u00e1y ch\u1ee7, t\u1eeb \u0111\u00f3 truy c\u1eadp v\u00e0o c\u00f9ng m\u1ed9t trang web. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u01b0\u01a1ng hi\u1ec7u, d\u1eabn h\u01b0\u1edbng c\u00e1c t\u00ean mi\u1ec1n t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c t\u00ean mi\u1ec1n c\u00f3 ph\u1ea7n m\u1edf r\u1ed9ng kh\u00e1c nhau v\u1ec1 trang web ch\u00ednh. Ngo\u00e0i ra, c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ea3n ghi CNAME \u0111\u1ec3 \u0111\u1eb7t m\u1ed9t t\u00ean mi\u1ec1n l\u00e0m b\u00ed danh cho m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ean mi\u1ec1n c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn SEO c\u1ee7a trang web kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ean mi\u1ec1n t\u1ef1 th\u00e2n l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 trong t\u1ed1i \u01b0u h\u00f3a c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. M\u1ed9t t\u00ean mi\u1ec1n ch\u1ee9a t\u1eeb kh\u00f3a li\u00ean quan, ng\u1eafn g\u1ecdn d\u1ec5 nh\u1edb v\u00e0 d\u1ec5 \u0111\u00e1nh v\u1ea7n c\u00f3 l\u1ee3i th\u1ebf v\u1ec1 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 truy\u1ec1n th\u00f4ng th\u01b0\u01a1ng hi\u1ec7u, c\u00f3 th\u1ec3 gi\u00e1n ti\u1ebfp c\u00f3 l\u1ee3i cho SEO. Tuy nhi\u00ean, c\u1ed1t l\u00f5i c\u1ee7a thu\u1eadt to\u00e1n c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec7n \u0111\u1ea1i l\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u1ed9i dung trang web, s\u1ef1 li\u00ean quan v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. Ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t t\u00ean mi\u1ec1n t\u1ed1t l\u00e0 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1ee9 h\u1ea1ng cao, trong khi m\u1ed9t trang web c\u00f3 n\u1ed9i dung ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tr\u1ea3i nghi\u1ec7m xu\u1ea5t s\u1eafc, ngay c\u1ea3 khi t\u00ean mi\u1ec1n kh\u00f4ng ch\u1ee9a t\u1eeb kh\u00f3a, v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u1ee9 h\u1ea1ng t\u1ed1t. Tu\u1ed5i t\u00e1c v\u00e0 l\u1ecbch s\u1eed uy t\u00edn c\u1ee7a t\u00ean mi\u1ec1n c\u0169ng \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 tham kh\u1ea3o nh\u1eb9.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ean mi\u1ec1n l\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb quan tr\u1ecdng c\u1ee7a internet, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u00ed danh th\u00e2n thi\u1ec7n cho \u0111\u1ecba ch\u1ec9 IP. B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng v\u1ec1 c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p c\u1ee7a t\u00ean mi\u1ec1n (t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t, t\u00ean mi\u1ec1n c\u1ea5p hai,...), nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ph\u00e2n gi\u1ea3i DNS, v\u00e0 gi\u1ea3i th\u00edch chi ti\u1ebft c\u00e1ch \u0111\u0103ng k\u00fd, qu\u1ea3n l\u00fd, c\u1ea5u h\u00ecnh b\u1ea3n ghi DNS v\u00e0 ch\u1ee9ng ch\u1ec9 b\u1ea3o m\u1eadt, c\u0169ng nh\u01b0 th\u1ef1c hi\u1ec7n chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n, l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn th\u1ef1c t\u1ebf \u0111\u1ec3 hi\u1ec3u v\u00e0 thao t\u00e1c v\u1edbi t\u00ean mi\u1ec1n.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[44],"knowledge_category":[279],"class_list":["post-12366006","knowledge_post","type-knowledge_post","status-publish","hentry","tag-domain","knowledge_category-domain"],"acf":{"site_seo_keywords":"\u57df\u540d,\u57df\u540d\u6ce8\u518c,DNS\u89e3\u6790,\u9876\u7ea7\u57df\u540d,\u57df\u540d\u670d\u52a1\u5668,SSL\u8bc1\u4e66,\u57df\u540d\u7ba1\u7406,\u57df\u540d\u8f6c\u79fb\u6d41\u7a0b"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12366006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts"}],"about":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/types\/knowledge_post"}],"author":[{"embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":0,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12366006\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12366006"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12366006"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12366006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}