{"id":12382661,"date":"2026-03-27T11:56:22","date_gmt":"2026-03-27T03:56:22","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%9f%9f%e5%90%8d%e6%b3%a8%e5%86%8c%e5%92%8c%e8%a7%a3%e6%9e%90%e6%ad%a5%e9%aa%a4%ef%bc%9a%e4%bb%8e%e9%80%89%e6%8b%a9%e5%88%b0%e5%bb%ba%e7%ab%99%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97\/"},"modified":"2026-03-27T12:39:03","modified_gmt":"2026-03-27T04:39:03","slug":"domain-registration-and-dns-setup-guide-e7-9f-a5-e8-af-86","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/domain-registration-and-dns-setup-guide-e7-9f-a5-e8-af-86\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1c b\u01b0\u1edbc \u0111\u0103ng k\u00fd v\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n: T\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n \u0111\u1ebfn vi\u1ec7c x\u00e2y d\u1ef1ng trang web"},"content":{"rendered":"

\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t kh\u00f4ng gian \u0111\u1ed9c \u0111\u00e1o tr\u00ean internet, m\u1ed9t \u0111\u1ecba ch\u1ec9 d\u1ec5 nh\u1edb ch\u00ednh l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u kh\u00f4ng th\u1ec3 thi\u1ebfu. \u0110\u1ecba ch\u1ec9 \u0111\u00f3 ch\u00ednh l\u00e0 t\u00ean mi\u1ec1n (domain name). N\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ed1i v\u00e0o cho trang web c\u1ee7a b\u1ea1n m\u00e0 c\u00f2n l\u00e0 trung t\u00e2m c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u v\u00e0 danh t\u00ednh tr\u1ef1c tuy\u1ebfn. Qu\u00e1 tr\u00ecnh t\u1eeb vi\u1ec7c ngh\u0129 ra m\u1ed9t t\u00ean ph\u00f9 h\u1ee3p cho \u0111\u1ebfn khi \u0111\u1ecba ch\u1ec9 \u0111\u00f3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft \u0111\u1ebfn m\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n c\u00f3 v\u1ebb ph\u1ee9c t\u1ea1p, nh\u01b0ng n\u1ebfu tu\u00e2n theo c\u00e1c b\u01b0\u1edbc r\u00f5 r\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh m\u1ecdi th\u1ee9 m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd h\u1ec7 th\u1ed1ng h\u00f3a to\u00e0n b\u1ed9 quy tr\u00ecnh, t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n, \u0111\u0103ng k\u00fd, gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 (DNS), cho \u0111\u1ebfn khi t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u00ednh th\u1ee9c v\u1edbi trang web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

C\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a t\u00ean mi\u1ec1n v\u00e0 chi\u1ebfn l\u01b0\u1ee3c l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u0111\u0103ng k\u00fd, vi\u1ec7c hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a t\u00ean mi\u1ec1n l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. M\u1ed9t t\u00ean mi\u1ec1n ho\u00e0n ch\u1ec9nh th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t s\u1ed1 ph\u1ea7n, v\u00ed d\u1ee5 nh\u01b0\u2026 www.example.com<\/code> trong,.com<\/code> l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t,example<\/code> \u0110\u00e2y l\u00e0 c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p hai (secondary domains), v\u00e0 c\u0169ng ch\u00ednh l\u00e0 nh\u1eefng ph\u1ea7n m\u00e0 b\u1ea1n th\u01b0\u1eddng \u0111\u0103ng k\u00fd v\u00e0 t\u00f9y ch\u1ec9nh. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c c\u1ea5p \u0111\u1ed9 n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/p>\n\n\n\n

L\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n c\u1ea5p cao: Ph\u1ed5 qu\u00e1t hay mang t\u00ednh \u0111\u1ecba ph\u01b0\u01a1ng<\/h3>\n\n\n\n

T\u00ean mi\u1ec1n c\u1ea5p cao (top-level domain \u2013 TLD) l\u00e0 ph\u1ea7n cu\u1ed1i c\u00f9ng c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n, v\u00e0 n\u00f3 mang l\u1ea1i nh\u1eefng th\u00f4ng tin quan tr\u1ecdng v\u1ec1 b\u1ea3n ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a trang web \u0111\u00f3. C\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao ph\u1ed5 bi\u1ebfn bao g\u1ed3m\u2026 .com<\/code>\u3001.net<\/code>\u3001.org<\/code> C\u00f3 t\u00ednh ch\u1ea5t ph\u1ed5 bi\u1ebfn tr\u00ean ph\u1ea1m vi qu\u1ed1c t\u1ebf; trong \u0111\u00f3\u2026 .com<\/code> N\u00f3 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t nh\u1edd m\u1ee9c \u0111\u1ed9 nh\u1eadn di\u1ec7n r\u1ed9ng r\u00e3i c\u1ee7a m\u00ecnh. C\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao \u1edf c\u00e1c qu\u1ed1c gia v\u00e0 khu v\u1ef1c nh\u01b0\u2026 .cn<\/code>\u3001.us<\/code>\u3001.uk<\/code> \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng ngu\u1ed3n g\u1ed1c \u0111\u1ecba l\u00fd c\u1ee7a trang web ho\u1eb7c ph\u1ea1m vi d\u1ecbch v\u1ee5 m\u00e0 n\u00f3 cung c\u1ea5p. Khi l\u1ef1a ch\u1ecdn, b\u1ea1n n\u00ean \u01b0u ti\u00ean nh\u1eefng y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn th\u00f4ng tin \u0111\u1ecba l\u00fd n\u00e0y. .com<\/code>N\u1ebfu t\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd ho\u1eb7c d\u1ecbch v\u1ee5 c\u00f3 t\u00ednh ch\u1ea5t \u0111\u1ecba l\u00fd r\u00f5 r\u00e0ng, h\u00e3y xem x\u00e9t c\u00e1c ph\u1ea7n t\u1eed cu\u1ed1i (suffix) kh\u00e1c ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n\n\n\n

X\u00e2y d\u1ef1ng t\u00ean mi\u1ec1n c\u1ea5p hai l\u00fd t\u01b0\u1edfng<\/h3>\n\n\n\n

T\u00ean mi\u1ec1n c\u1ea5p hai (subdomain) l\u00e0 bi\u1ec3u hi\u1ec7n c\u1ed1t l\u00f5i c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u. M\u1ed9t t\u00ean mi\u1ec1n t\u1ed1t n\u00ean ng\u1eafn g\u1ecdn, d\u1ec5 nh\u1edb, d\u1ec5 \u0111\u00e1nh v\u1ea7n v\u00e0 d\u1ec5 ph\u00e1t \u00e2m; \u0111\u1ed3ng th\u1eddi n\u00ean c\u00f3 m\u1ed1i li\u00ean h\u1ec7 v\u1edbi t\u00ean th\u01b0\u01a1ng hi\u1ec7u, c\u00e1c t\u1eeb kh\u00f3a li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng kinh doanh ho\u1eb7c t\u1ea7m nh\u00ecn c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u. N\u00ean tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng t\u1eeb l\u1ea1, c\u00e1ch \u0111\u00e1nh v\u1ea7n ph\u1ee9c t\u1ea1p, d\u1ea5u g\u1ea1ch n\u1ed1i v\u00e0 s\u1ed1, v\u00ec nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 kh\u00f3 trong vi\u1ec7c ghi nh\u1edb v\u00e0 nh\u1eadp li\u1ec7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Khi l\u00ean \u00fd t\u01b0\u1edfng, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p \u201cs\u00e1ng t\u1ea1o b\u1eb1ng c\u00e1ch suy ngh\u0129 theo h\u01b0\u1edbng ng\u01b0\u1ee3c\u201d (brainstorming) \u0111\u1ec3 li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c t\u1ed5<\/p>\n\n\n\n

Ki\u1ec3m tra v\u00e0 l\u1ecdc t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a t\u00ean mi\u1ec1n (Domain Name Availability Check and Filtering)<\/h3>\n\n\n\n

Sau khi ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t v\u00e0i t\u00ean mi\u1ec1n y\u00eau th\u00edch, b\u1ea1n c\u1ea7n ti\u1ebfn h\u00e0nh ki\u1ec3m tra ngay xem ch\u00fang c\u00f3 s\u1eb5n \u0111\u1ec3 \u0111\u0103ng k\u00fd hay kh\u00f4ng. H\u1ea7u h\u1ebft c\u00e1c trang web c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u1ec1u cung c\u1ea5p ch\u1ee9c n\u0103ng t\u00ecm ki\u1ebfm theo th\u1eddi gian th\u1ef1c. Khi th\u1ef1c hi\u1ec7n vi\u1ec7c ki\u1ec3m tra, h\u1ec7 th\u1ed1ng s\u1ebd cho bi\u1ebft li\u1ec7u t\u00ean mi\u1ec1n \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd hay kh\u00f4ng, v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 t\u00ean mi\u1ec1n t\u01b0\u01a1ng t\u1ef1 kh\u00e1c cho b\u1ea1n l\u1ef1a ch\u1ecdn. N\u1ebfu b\u1ea1n mu\u1ed1n... .com<\/code> T\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd; b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t vi\u1ec7c ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n c\u1ea5p cao kh\u00e1c, ho\u1eb7c th\u00eam c\u00e1c t\u1eeb ng\u1eef li\u00ean quan v\u00e0 c\u00f3 \u00fd ngh\u0129a tr\u01b0\u1edbc\/sau t\u00ean mi\u1ec1n hi\u1ec7n t\u1ea1i. Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00ean mi\u1ec1n v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh ng\u1eafn g\u1ecdn v\u00e0 d\u1ec5 nh\u1edb.<\/p>\n\n\n

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\n \u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n hosting.com<\/strong>\n
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
\n \n \n \"\u0110\u0103ng\n \n \n <\/a>\n \n \n Truy c\u1eadp hosting.com <\/a>\n <\/div>\n <\/div>\n\n \n\n\n\n\n\n\n

L\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u00e0 quy tr\u00ecnh \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1ng tin c\u1eady l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh cho t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n. Tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, m\u1ed7i nh\u00e0 cung c\u1ea5p \u0111\u1ec1u c\u00f3 nh\u1eefng d\u1ecbch v\u1ee5 v\u00e0 m\u1ee9c gi\u00e1 kh\u00e1c nhau.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 m\u1ed9t nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n?<\/h3>\n\n\n\n

Khi l\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, b\u1ea1n n\u00ean xem x\u00e9t nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau. \u0110\u1ea7u ti\u00ean l\u00e0 uy t\u00edn v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a nh\u00e0 cung c\u1ea5p; vi\u1ec7c ch\u1ecdn nh\u1eefng c\u00f4ng ty l\u1edbn c\u00f3 l\u1ecbch s\u1eed l\u00e2u d\u00e0i v\u00e0 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng \u0111\u00e1nh gi\u00e1 cao s\u1ebd mang l\u1ea1i s\u1ef1 an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n. Ti\u1ebfp theo l\u00e0 t\u00ednh minh b\u1ea1ch v\u1ec1 gi\u00e1 c\u1ea3 \u2013 h\u00e3y ki\u1ec3m tra xem gi\u00e1 \u0111\u0103ng k\u00fd n\u0103m \u0111\u1ea7u ti\u00ean c\u00f3 tr\u00f9ng v\u1edbi gi\u00e1 gia h\u1ea1n hay kh\u00f4ng \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng b\u1ecb thu ph\u00ed cao sau khi h\u1ebft h\u1ea1n. Cu\u1ed1i c\u00f9ng l\u00e0 t\u00ednh n\u0103ng c\u1ee7a b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n tr\u1ecb; m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 giao di\u1ec7n th\u00e2n thi\u1ec7n v\u00e0 t\u00ednh n\u0103ng \u0111\u1ea7y \u0111\u1ee7 s\u1ebd gi\u00fap c\u00e1c thao t\u00e1c nh\u01b0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n

Ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd v\u00e0 thi\u1ebft l\u1eadp t\u00e0i kho\u1ea3n.<\/h3>\n\n\n\n

Sau khi ch\u1ecdn \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 v\u00e0 t\u00ean mi\u1ec1n mong mu\u1ed1n, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd. B\u1ea1n c\u1ea7n t\u1ea1o m\u1ed9t t\u00e0i kho\u1ea3n v\u00e0 \u0111i\u1ec1n \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Nh\u1eefng th\u00f4ng tin n\u00e0y, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ecba ch\u1ec9 email li\u00ean h\u1ec7 c\u1ee7a ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb, r\u1ea5t quan tr\u1ecdng v\u00ec ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n v\u00e0 nh\u1eadn c\u00e1c th\u00f4ng b\u00e1o quan tr\u1ecdng. Khi mua t\u00ean mi\u1ec1n, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd; th\u00f4ng th\u01b0\u1eddng, vi\u1ec7c \u0111\u0103ng k\u00fd t\u1eeb 1 n\u0103m tr\u1edf l\u00ean \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng m\u1ea5t t\u00ean mi\u1ec1n do qu\u00ean gia h\u1ea1n. Sau khi ho\u00e0n t\u1ea5t vi\u1ec7c thanh to\u00e1n, t\u00ean mi\u1ec1n s\u1ebd ch\u00ednh th\u1ee9c \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd d\u01b0\u1edbi t\u00ean c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

B\u1ea3o tr\u00ec th\u00f4ng tin \u0111\u0103ng k\u00fd quan tr\u1ecdng<\/h3>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd th\u00e0nh c\u00f4ng, vui l\u00f2ng b\u1ea3o m\u1eadt t\u1ed1t m\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n nh\u00e0 \u0111\u0103ng k\u00fd c\u0169ng nh\u01b0 th\u00f4ng tin \u0111\u0103ng nh\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n. H\u00e3y ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ecba ch\u1ec9 email trong th\u00f4ng tin \u201cWhois\u201d c\u1ee7a t\u00ean mi\u1ec1n v\u1eabn c\u00f2n h\u1ee3p l\u1ec7; \u0111\u00e2y l\u00e0 b\u1eb1ng ch\u1ee9ng ph\u00e1p l\u00fd v\u00e0 k\u1ef9 thu\u1eadt ch\u1ee9ng minh r\u1eb1ng b\u1ea1n l\u00e0 ng\u01b0\u1eddi s\u1edf h\u1eefu t\u00ean mi\u1ec1n \u0111\u00f3. Vi\u1ec7c k\u00edch ho\u1ea1t t\u00ednh n\u0103ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 cho t\u00e0i kho\u1ea3n s\u1ebd gi\u00fap n\u00e2ng cao \u0111\u00e1ng k\u1ec3 m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

Nguy\u00ean l\u00fd c\u1ee7a vi\u1ec7c gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n v\u00e0 c\u00e1ch thi\u1ebft l\u1eadp DNS<\/h2>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, n\u00f3 kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ed9ng gi\u00fap trang web ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c; b\u1ea1n c\u1ea7n ch\u1ec9 \u0111\u1ecbnh cho Internet r\u1eb1ng t\u00ean mi\u1ec1n \u0111\u00f3 tr\u1ecf \u0111\u1ebfn m\u00e1y ch\u1ee7 n\u00e0o. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution), v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd v\u00e0o H\u1ec7 th\u1ed1ng T\u00ean mi\u1ec1n (Domain Name System \u2013 DNS).<\/p>\n\n\n\n

DNS (Domain Name System): Cu\u1ed1n s\u1ed5 \u0111\u1ecba ch\u1ec9 c\u1ee7a Internet<\/h3>\n\n\n\n

DNS (Domain Name System) l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u00e2n t\u00e1n l\u1edbn, ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u1ed5 \u0111i\u1ec7n tho\u1ea1i: n\u00f3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c t\u00ean mi\u1ec1n d\u1ec5 hi\u1ec3u cho con ng\u01b0\u1eddi th\u00e0nh \u0111\u1ecba ch\u1ec9 IP m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed. Khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n v\u00e0o tr\u00ecnh duy\u1ec7t, m\u00e1y t\u00ednh c\u1ee7a h\u1ecd s\u1ebd g\u1eedi y\u00eau c\u1ea7u truy v\u1ea5n \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 DNS. Qua m\u1ed9t lo\u1ea1t c\u00e1c b\u01b0\u1edbc truy v\u1ea5n theo c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p, m\u00e1y t\u00ednh s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng, t\u1eeb \u0111\u00f3 k\u1ebft n\u1ed1i v\u00e0 m\u1edf trang web \u0111\u00f3.<\/p>\n\n\n\n

Thi\u1ebft l\u1eadp b\u1ea3n ghi m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n (Domain Name Server Record)<\/h3>\n\n\n\n

Ho\u1ea1t \u0111\u1ed9ng c\u1ed1t l\u00f5i c\u1ee7a qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution) l\u00e0 thi\u1ebft l\u1eadp c\u00e1c lo\u1ea1i b\u1ea3n ghi DNS (Domain Name System records). Lo\u1ea1i b\u1ea3n ghi ph\u1ed5 bi\u1ebfn v\u00e0 c\u1ea7n thi\u1ebft nh\u1ea5t l\u00e0 b\u1ea3n ghi A (A Record), n\u00f3 li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp t\u00ean mi\u1ec1n v\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4. N\u1ebfu nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 cung c\u1ea5p cho b\u1ea1n m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7, b\u1ea1n c\u1ea7n th\u00eam b\u1ea3n ghi A v\u00e0o h\u1ec7 th\u1ed1ng DNS. M\u1ed9t lo\u1ea1i b\u1ea3n ghi kh\u00e1c l\u00e0 b\u1ea3n ghi CNAME (Canonical Name Record), n\u00f3 d\u00f9ng \u0111\u1ec3 \u0111\u1eb7t t\u00ean mi\u1ec1n n\u00e0y l\u00e0m t\u00ean g\u1ecdi kh\u00e1c cho m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3\u2026 www.example.com<\/code> \u0111\u1ebfn example.com<\/code>Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n h\u01b0\u1edbng t\u00ean mi\u1ec1n (domain name) \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 do d\u1ecbch v\u1ee5 c\u1ee7a b\u00ean th\u1ee9 ba cung c\u1ea5p.<\/p>\n\n\n\n

C\u00e1c lo\u1ea1i b\u1ea3n ghi DNS quan tr\u1ecdng kh\u00e1c<\/h3>\n\n\n\n

Ngo\u00e0i c\u00e1c b\u1ea3n ghi h\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n, c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 b\u1ea3n ghi c\u00f3 ch\u1ee9c n\u0103ng kh\u00e1c. B\u1ea3n ghi MX (Mail Exchange) d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 email nh\u1eadn th\u01b0 cho t\u00ean mi\u1ec1n \u0111\u00f3, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng email doanh nghi\u1ec7p. B\u1ea3n ghi TXT (Text) c\u00f3 th\u1ec3 ch\u1ee9a b\u1ea5t k\u1ef3 th\u00f4ng tin v\u0103n b\u1ea3n n\u00e0o, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c th\u1ef1c quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n ho\u1eb7c thi\u1ebft l\u1eadp c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt email. B\u1ea3n ghi NS (Name Server) x\u00e1c \u0111\u1ecbnh m\u00e1y ch\u1ee7 DNS n\u00e0o s\u1ebd qu\u1ea3n l\u00fd vi\u1ec7c gi\u1ea3i quy\u1ebft c\u00e1c y\u00eau c\u1ea7u li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n \u0111\u00f3, v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh t\u1ea1i nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n.<\/p>\n\n\n

\n\n
\n \u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n UltaHost<\/strong>\n
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
\n \n \n \"\u0110\u0103ng\n \n \n <\/a>\n \n \n Truy c\u1eadp UltaHost <\/a>\n <\/div>\n <\/div>\n\n \n\n\n\n\n\n\n

Li\u00ean k\u1ebft t\u00ean mi\u1ec1n v\u1edbi m\u00e1y ch\u1ee7 web ch\u00ednh v\u00e0 thi\u1ebft l\u1eadp trang web.<\/h2>\n\n\n\n

Sau khi ho\u00e0n t\u1ea5t vi\u1ec7c c\u1ea5u h\u00ecnh DNS, b\u1ea1n \u0111\u00e3 b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n cu\u1ed1i c\u00f9ng c\u1ee7a qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng trang web: li\u00ean k\u1ebft t\u00ean mi\u1ec1n (domain name) v\u1edbi kh\u00f4ng gian l\u01b0u tr\u1eef (hosting space) ch\u1ee9a c\u00e1c t\u1ec7p tin c\u1ee7a trang web.<\/p>\n\n\n\n

L\u1ea5y th\u00f4ng tin k\u1ebft n\u1ed1i t\u1eeb m\u00e1y ch\u1ee7.<\/h3>\n\n\n\n

B\u1ea1n c\u1ea7n l\u1ea5y th\u00f4ng tin ch\u00ednh x\u00e1c v\u1ec1 m\u00e1y ch\u1ee7 t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 m\u00e0 b\u1ea1n \u0111\u00e3 mua. Th\u00f4ng tin n\u00e0y th\u01b0\u1eddng l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 IP, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft l\u1eadp record A; ho\u1eb7c c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t t\u00ean m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c cung c\u1ea5p, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft l\u1eadp record CNAME. Nh\u1eefng th\u00f4ng tin n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n (control panel) c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

Ho\u00e0n t\u1ea5t vi\u1ec7c li\u00ean k\u1ebft (binding) trong qu\u1ea3n l\u00fd DNS.<\/h3>\n\n\n\n

Truy c\u1eadp v\u00e0o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n ho\u1eb7c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS c\u1ee7a b\u1ea1n, sau \u0111\u00f3 t\u00ecm trang qu\u1ea3n l\u00fd c\u00e1c b\u1ea3n ghi DNS. D\u1ef1a v\u00e0o th\u00f4ng tin \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5, h\u00e3y th\u00eam m\u1ed9t b\u1ea3n ghi A m\u1edbi ho\u1eb7c b\u1ea3n ghi CNAME. Th\u00f4ng tin c\u1ea7n \u0111i\u1ec1n v\u00e0o c\u00e1c tr\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng c\u1ee7a b\u1ea3n ghi m\u00e1y ch\u1ee7 th\u01b0\u1eddng bao g\u1ed3m: @<\/code> \u0110\u1ea1i di\u1ec7n cho t\u00ean mi\u1ec1n ch\u00ednh; ho\u1eb7c h\u00e3y nh\u1eadp v\u00e0o t\u00ean mi\u1ec1n \u0111\u00f3. www<\/code> \u0110\u00e2y l\u00e0 th\u00f4ng tin v\u1ec1 c\u00e1c t\u00ean mi\u1ec1n ch\u1ee9a \u201cwww\u201d. Gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ghi l\u1ea1i l\u00e0 \u0111\u1ecba ch\u1ec9 IP ho\u1eb7c t\u00ean mi\u1ec1n \u1ea3o (alias) do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 cung c\u1ea5p. Sau khi l\u01b0u th\u00f4ng tin, qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 (resolution) s\u1ebd b\u1eaft \u0111\u1ea7u c\u00f3 hi\u1ec7u l\u1ef1c.<\/p>\n\n\n\n

Ph\u00e2n gi\u1ea3i c\u00f3 hi\u1ec7u l\u1ef1c v\u00e0 ki\u1ec3m tra website<\/h3>\n\n\n\n

Nh\u1eefng thay \u0111\u1ed5i li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 DNS (Domain Name System) kh\u00f4ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ngay l\u1eadp t\u1ee9c tr\u00ean to\u00e0n th\u1ebf gi\u1edbi; qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cDNS propagation\u201d v\u00e0 th\u01b0\u1eddng m\u1ea5t t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn 48 gi\u1edd \u0111\u1ec3 ho\u00e0n t\u1ea5t. Trong th\u1eddi gian \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c nhau c\u00f3 th\u1ec3 s\u1ebd truy c\u1eadp v\u00e0o \u0111\u1ecba ch\u1ec9 IP c\u0169 (tr\u01b0\u1edbc khi thay \u0111\u1ed5i) ho\u1eb7c \u0111\u1ecba ch\u1ec9 IP m\u1edbi (sau khi thay \u0111\u1ed5i). B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 theo d\u00f5i qu\u00e1 tr\u00ecnh lan truy\u1ec1n DNS v\u00e0 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng gi\u1ea3i m\u00e3 t\u1ea1i c\u00e1c node tr\u00ean to\u00e0n c\u1ea7u. Khi qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 ho\u00e0n t\u1ea5t, h\u00e3y nh\u1eadp t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n v\u00e0o tr\u00ecnh duy\u1ec7t \u2013 l\u00fac n\u00e0y b\u1ea1n n\u00ean c\u00f3 th\u1ec3 truy c\u1eadp th\u00e0nh c\u00f4ng v\u00e0o trang web c\u1ee7a m\u00ecnh. Sau \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 c\u00e0i \u0111\u1eb7t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u1ed9i dung (Content Management System) tr\u00ean m\u00e1y ch\u1ee7 web v\u00e0 b\u1eaft \u0111\u1ea7u thi\u1ebft k\u1ebf c\u0169ng nh\u01b0 \u0111\u0103ng t\u1ea3i n\u1ed9i dung cho trang web.<\/p>\n\n\n\n

T\u00f3m l\u1ea1i<\/h2>\n\n\n\n

Thi\u1ebft l\u1eadp website th\u00e0nh c\u00f4ng b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n c\u1ea9n th\u1eadn. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f3m t\u1eaft th\u00e0nh b\u1ed1n giai \u0111o\u1ea1n ch\u00ednh: \u0111\u1ea7u ti\u00ean, l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n chi\u1ebfn l\u01b0\u1ee3c d\u1ef1a tr\u00ean th\u01b0\u01a1ng hi\u1ec7u v\u00e0 nguy\u00ean t\u1eafc d\u1ec5 nh\u1edb; th\u1ee9 hai, ho\u00e0n t\u1ea5t \u0111\u0103ng k\u00fd th\u00f4ng qua nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n th\u00f4ng tin; sau \u0111\u00f3, hi\u1ec3u nguy\u00ean l\u00fd DNS v\u00e0 thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c b\u1ea3n ghi ph\u00e2n gi\u1ea3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ea3n ghi A ho\u1eb7c CNAME; cu\u1ed1i c\u00f9ng, li\u00ean k\u1ebft t\u00ean mi\u1ec1n v\u1edbi m\u00e1y ch\u1ee7 website v\u00e0 ki\u00ean nh\u1eabn ch\u1edd ph\u00e2n gi\u1ea3i c\u00f3 hi\u1ec7u l\u1ef1c. M\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u k\u1ebf ti\u1ebfp nhau, kh\u00f4ng th\u1ec3 thi\u1ebfu. N\u1eafm v\u1eefng quy tr\u00ecnh ho\u00e0n ch\u1ec9nh n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 tin v\u00e0 \u0111\u1ed9c l\u1eadp \u0111\u01b0a th\u01b0\u01a1ng hi\u1ec7u t\u1eeb \u00fd t\u01b0\u1edfng v\u00e0o th\u1ebf gi\u1edbi internet.<\/p>\n\n\n\n

FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd, t\u00ean mi\u1ec1n c\u00f3 thu\u1ed9c v\u1ec1 t\u00f4i v\u0129nh vi\u1ec5n kh\u00f4ng?<\/h3>\n\n\n\n

Kh\u00f4ng ph\u1ea3i v\u1eady. Vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u1ef1c ch\u1ea5t ch\u1ec9 mang l\u1ea1i cho b\u1ea1n quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh (th\u01b0\u1eddng l\u00e0 1 \u0111\u1ebfn 10 n\u0103m), ch\u1ee9 kh\u00f4ng ph\u1ea3i quy\u1ec1n s\u1edf h\u1eefu v\u0129nh vi\u1ec5n.<\/p>\n\n

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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\u0110\u0103ng\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\r\n\t\t\t
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\r\n\t\t\t\t\t\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\tH\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
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T\u1ea1o t\u00ean mi\u1ec1n b\u1eb1ng AI<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\tTruy 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\r\n\t
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\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"WordPress.com\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\r\n\t\t\t
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\r\n\t\t\t\t\tWordPress.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\tCh\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
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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\tTruy 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\r\n<\/div>\r\n\r\n\r\n\n\n\n\n\n\n\n

Sau khi th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd h\u1ebft, n\u1ebfu b\u1ea1n kh\u00f4ng n\u00e2ng c\u1ea5p g\u00f3i \u0111\u0103ng k\u00fd k\u1ecbp th\u1eddi, t\u00ean mi\u1ec1n s\u1ebd b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n \u201c\u0111\u01b0\u1ee3c thu h\u1ed3i\u201d v\u00e0 cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng, tr\u1edf l\u1ea1i th\u1ecb tr\u01b0\u1eddng \u0111\u0103ng k\u00fd c\u00f4ng c\u1ed9ng \u0111\u1ec3 ng\u01b0\u1eddi kh\u00e1c c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd l\u1ea1i. V\u00ec v\u1eady, h\u00e3y lu\u00f4n theo d\u00f5i th\u1eddi h\u1ea1n h\u1ebft h\u1ea1n c\u1ee7a t\u00ean mi\u1ec1n v\u00e0 \u0111\u1eb7t ch\u1ebf \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng n\u00e2<\/p>\n\n\n\n

N\u1ebfu t\u00ean mi\u1ec1n .com mong mu\u1ed1n \u0111\u00e3 b\u1ecb \u0111\u0103ng k\u00fd, ph\u1ea3i l\u00e0m sao?<\/h3>\n\n\n\n

B\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p thay th\u1ebf. \u0110\u1ea7u ti\u00ean, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed li\u00ean h\u1ec7 v\u1edbi ch\u1ee7 s\u1edf h\u1eefu hi\u1ec7n t\u1ea1i \u0111\u1ec3 h\u1ecfi xem h\u1ecd c\u00f3 \u00fd \u0111\u1ecbnh b\u00e1n kh\u00f4ng; tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m kh\u00e1 nhi\u1ec1u chi ph\u00ed. Th\u1ee9 hai, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed \u0111\u0103ng k\u00fd c\u00e1c t\u00ean mi\u1ec1n top-level ph\u1ed5 bi\u1ebfn kh\u00e1c. .net<\/code> \u6216 .io<\/code>\u3002<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00ean mi\u1ec1n c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch th\u00eam, b\u1edbt ho\u1eb7c thay th\u1ebf c\u00e1c t\u1eeb ng\u1eef \u0111\u1ec3 t\u1ea1o ra m\u1ed9t t\u00ean mi\u1ec1n m\u1edbi \u2013 m\u1ed9t t\u00ean mi\u1ec1n ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd v\u00e0 v\u1eabn ph\u00f9 h\u1ee3p v\u1edbi phong c\u00e1ch th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a b\u1ea1n. C\u00e1c c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n t\u00ecm ra \u00fd t\u01b0\u1edfng.<\/p>\n\n\n\n

Sau khi thi\u1ebft l\u1eadp ph\u00e2n gi\u1ea3i DNS bao l\u00e2u th\u00ec c\u00f3 hi\u1ec7u l\u1ef1c?<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u1ed3ng b\u1ed9 tr\u00ean to\u00e0n c\u1ea7u, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cDNS propagation\u201d (s\u1ef1 lan truy\u1ec1n th\u00f4ng tin DNS). Th\u00f4ng th\u01b0\u1eddng, qu\u00e1 tr\u00ecnh n\u00e0y m\u1ea5t t\u1eeb 15 ph\u00fat \u0111\u1ebfn 48 gi\u1edd \u0111\u1ec3 ho\u00e0n to\u00e0n c\u00f3 hi\u1ec7u l\u1ef1c tr\u00ean to\u00e0n b\u1ed9 th\u1ebf gi\u1edbi.<\/p>\n\n\n\n

Th\u1eddi gian hi\u1ec7u l\u1ef1c ph\u1ee5 thu\u1ed9c v\u00e0o chu k\u1ef3 l\u00e0m m\u1edbi b\u1ed9 \u0111\u1ec7m DNS c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng lan truy\u1ec1n DNS tr\u00ean to\u00e0n c\u1ea7u, nh\u01b0ng sau khi ho\u00e0n t\u1ea5t vi\u1ec7c c\u1ea5u h\u00ecnh, vui l\u00f2ng ki\u00ean nh\u1eabn ch\u1edd \u0111\u1ee3i.<\/p>\n\n\n\n

C\u00f3 ph\u1ea3i t\u00ean mi\u1ec1n (domain name) v\u00e0 m\u00e1y ch\u1ee7 web (website hosting) ph\u1ea3i \u0111\u01b0\u1ee3c mua t\u1eeb c\u00f9ng m\u1ed9t c\u00f4ng ty kh\u00f4ng?<\/h3>\n\n\n\n

Ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n thi\u1ebft. \u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u00e0 d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef trang web l\u00e0 hai d\u1ecbch v\u1ee5 ri\u00eang bi\u1ec7t; b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 mua ch\u00fang t\u1eeb nh\u1eefng nh\u00e0 cung c\u1ea5p kh\u00e1c nhau. Vi\u1ec7c t\u00e1ch bi\u1ec7t n\u00e0y mang l\u1ea1i cho b\u1ea1n nhi\u1ec1u t\u1ef1 do l\u1ef1a ch\u1ecdn v\u00e0 t\u00ednh linh ho\u1ea1t h\u01a1n.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1ea1i C\u00f4ng ty A, sau \u0111\u00f3 ch\u1ec9 \u0111\u1ecbnh c\u00e1c b\u1ea3n ghi DNS (Domain Name System records) \u0111\u1ec3 ch\u00fang tr\u1ecf \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 \u1ea3o ho\u1eb7c m\u00e1y ch\u1ee7 th\u1ef1c m\u00e0 C\u00f4ng ty B \u0111\u00e3 mua. C\u00e1ch th\u1ee9c n\u00e0y l\u00e0 ti\u00eau chu\u1ea9n v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt v\u00e0 kh\u00e1 ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh cho t\u00e0i kho\u1ea3n t\u00ean mi\u1ec1n c\u1ee7a t\u00f4i?<\/h3>\n\n\n\n

B\u1ea3o v\u1ec7 an ninh t\u00ean mi\u1ec1n l\u00e0 vi\u1ec7c v\u00f4 c\u00f9ng quan tr\u1ecdng. \u0110\u1ea7u ti\u00ean, h\u00e3y thi\u1ebft l\u1eadp m\u1ed9t m\u1eadt kh\u1ea9u m\u1ea1nh m\u1ebd v\u00e0 \u0111\u1ed9c \u0111\u00e1o cho t\u00e0i kho\u1ea3n nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n. Th\u1ee9 hai, nh\u1edb b\u1eadt ch\u1ee9c n\u0103ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1; \u0111i\u1ec1u n\u00e0y s\u1ebd gi\u00fap ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng t\u00ean mi\u1ec1n b\u1ecb \u0111\u00e1nh c\u1eafp do m\u1eadt kh\u1ea9u b\u1ecb l\u1ed9.<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ecba ch\u1ec9 email c\u1ee7a qu\u1ea3n tr\u1ecb vi\u00ean trong th\u00f4ng tin \u0111\u0103ng k\u00fd l\u00e0 \u0111\u1ecba ch\u1ec9 email m\u00e0 b\u1ea1n th\u01b0\u1eddng xuy\u00ean s\u1eed d\u1ee5ng v\u00e0 an to\u00e0n; \u0111\u1ed3ng th\u1eddi h\u00e3y ki\u1ec3m tra n\u00f3 th\u01b0\u1eddng xuy\u00ean, v\u00ec t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng b\u00e1o quan tr\u1ecdng v\u1ec1 vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng ho\u1eb7c thay \u0111\u1ed5i t\u00ean mi\u1ec1n \u0111\u1ec1u s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 to\u00e0n b\u1ed9 quy tr\u00ecnh t\u1eeb vi\u1ec7c ch\u1ecdn t\u00ean mi\u1ec1n \u0111\u1ebfn vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t trang web th\u00e0nh c\u00f4ng. N\u00f3 tr\u00ecnh b\u00e0y r\u00f5 r\u00e0ng c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 t\u00ean mi\u1ec1n, chi\u1ebfn l\u01b0\u1ee3c l\u1ef1a ch\u1ecdn, quy tr\u00ecnh \u0111\u0103ng k\u00fd, \u0111\u1ed3ng th\u1eddi gi\u1ea3i th\u00edch nguy\u00ean l\u00fd v\u00e0 c\u00e1ch th\u1ee9c thi\u1ebft l\u1eadp DNS. Cu\u1ed1i c\u00f9ng, b\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn c\u00e1ch li\u00ean k\u1ebft t\u00ean mi\u1ec1n v\u1edbi m\u00e1y ch\u1ee7 web \u0111\u1ec3 ho\u00e0n t\u1ea5t vi\u1ec7c \u0111\u01b0a trang web l\u00ean m\u1ea1ng.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[],"knowledge_category":[279],"class_list":["post-12382661","knowledge_post","type-knowledge_post","status-publish","hentry","knowledge_category-domain"],"acf":{"site_seo_keywords":"\u57df\u540d\u6ce8\u518c\uff0c\u57df\u540d\u89e3\u6790\uff0cDNS\u8bbe\u7f6e\uff0c\u5efa\u7ad9\u6307\u5357\uff0c\u9009\u62e9\u57df\u540d\uff0c\u57df\u540d\u4e0e\u4e3b\u673a\u5173\u8054\uff0c\u57df\u540d\u89e3\u6790\u6b65\u9aa4\uff0c\u7f51\u7ad9\u642d\u5efa\u6d41\u7a0b"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12382661","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\/12382661\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12382661"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12382661"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12382661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}