{"id":12367126,"date":"2026-03-14T02:57:21","date_gmt":"2026-03-13T18:57:21","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%9f%9f%e5%90%8d%e6%b3%a8%e5%86%8c%e3%80%81%e7%ae%a1%e7%90%86%e4%b8%8e%e8%a7%a3%e6%9e%90%e5%85%a8%e6%94%bb%e7%95%a5%ef%bc%9a%e6%89%93%e9%80%a0%e4%b8%93%e4%b8%9a%e7%bd%91%e7%ab%99%e7%9a%84%e5%9d%9a\/"},"modified":"2026-03-14T03:42:39","modified_gmt":"2026-03-13T19:42:39","slug":"domain-registration-management-dns-guide-e7-9f-a5-e8-af-86","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/domain-registration-management-dns-guide-e7-9f-a5-e8-af-86\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 \u0111\u0103ng k\u00fd, qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n: B\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u v\u1eefng ch\u1eafc cho vi\u1ec7c x\u00e2y d\u1ef1ng trang web chuy\u00ean nghi\u1ec7p"},"content":{"rendered":"

Trong th\u1ebf gi\u1edbi internet, t\u00ean mi\u1ec1n (domain name) ch\u00ednh l\u00e0 danh t\u00ednh \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u201c\u0111\u1ecba ch\u1ec9\u201d cho trang web c\u1ee7a b\u1ea1n. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u00f3 th\u1ec3 truy c\u1eadp trang web c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng b\u1eb1ng c\u00e1ch nh\u1eadp t\u00ean mi\u1ec1n \u0111\u00f3. \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 c\u00e1 nh\u00e2n hay doanh nghi\u1ec7p n\u00e0o mu\u1ed1n x\u00e2y d\u1ef1ng th\u01b0\u01a1ng hi\u1ec7u tr\u1ef1c tuy\u1ebfn, cung c\u1ea5p d\u1ecbch v\u1ee5 ho\u1eb7c chia s\u1ebb n\u1ed9i dung, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 ki\u1ec3m so\u00e1t t\u00ean mi\u1ec1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean h\u01b0\u1edbng t\u1edbi th\u00e0nh c\u00f4ng. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 vi\u1ec7c \u0111\u0103ng k\u00fd m\u1ed9t c\u00e1i t\u00ean, m\u00e0 c\u00f2n bao g\u1ed3m c\u1ea3 vi\u1ec7c qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3, b\u1ea3o v\u1ec7 an ninh v\u00e0 s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch t\u1ed1i \u01b0u; t\u1ea5t c\u1ea3 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y c\u00f9ng nhau t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh c\u1ee7a trang web b\u1ea1n.<\/p>\n\n\n\n

\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n: B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean h\u01b0\u1edbng t\u1edbi th\u1ebf gi\u1edbi tr\u1ef1c tuy\u1ebfn<\/h2>\n\n\n\n

\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng trang web. Vi\u1ec7c ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p gi\u1ed1ng nh\u01b0 vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed \u0111\u1eafc \u0111\u1ecba cho c\u1eeda h\u00e0ng th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n; \u0111i\u1ec1u n\u00e0y c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n l\u00e2u d\u00e0i c\u1ee7a trang web v\u00e0 vi\u1ec7c x\u00e2y d\u1ef1ng th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n (domain name) t\u1ed1t?<\/h3>\n\n\n\n

M\u1ed9t t\u00ean mi\u1ec1n t\u1ed1t n\u00ean \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed sau: ng\u1eafn g\u1ecdn, d\u1ec5 nh\u1edb, v\u00e0 c\u00f3 m\u1ed1i li\u00ean h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c l\u0129nh v\u1ef1c kinh doanh c\u1ee7a b\u1ea1n. \u0110\u01b0\u1ee3c khuy\u00ean n\u00ean \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn nh\u1eefng t\u00ean mi\u1ec1n nh\u01b0 v\u1eady..com<\/code>\u3001.cn<\/code>\u3001.net<\/code>C\u00e1c t\u00ean mi\u1ec1n h\u00e0ng \u0111\u1ea7u ph\u1ed5 bi\u1ebfn nh\u01b0 v\u1eady c\u00f3 m\u1ee9c \u0111\u1ed9 nh\u1eadn di\u1ec7n cao, gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng tin t\u01b0\u1edfng v\u00e0 ghi nh\u1edb h\u01a1n. Ph\u1ea7n ch\u00ednh c\u1ee7a t\u00ean mi\u1ec1n n\u00ean tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng t\u1eeb l\u1ea1, c\u00e1ch vi\u1ebft ph\u1ee9c t\u1ea1p ho\u1eb7c k\u00fd t\u1ef1 g\u1eafn li\u1ec1n (hyphen) \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 sai s\u00f3t khi nh\u1eadp ho\u1eb7c kh\u00f3 kh\u0103n trong vi\u1ec7c ghi nh\u1edb. Tr\u01b0\u1edbc khi ch\u1ecdn t\u00ean mi\u1ec1n cu\u1ed1i c\u00f9ng, h\u00e3y ki\u1ec3m tra xem n\u00f3 c\u00f3 tr\u00f9ng v\u1edbi b\u1ea5t k\u1ef3 nh\u00e3n hi\u1ec7u n\u00e0o kh\u00f4ng \u0111\u1ec3 tr\u00e1nh nh\u1eefng tranh ch\u1ea5p ph\u00e1p l\u00fd c\u00f3 th\u1ec3 x\u1ea3y ra<\/p>\n\n\n\n

Quy tr\u00ecnh chi ti\u1ebft \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Quy tr\u00ecnh \u0111\u0103ng k\u00fd th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n l\u1edbn. \u0110\u1ea7u ti\u00ean, b\u1ea1n c\u1ea7n nh\u1eadp t\u00ean mi\u1ec1n m\u00e0 m\u00ecnh mu\u1ed1n v\u00e0o \u00f4 t\u00ecm ki\u1ebfm c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd; h\u1ec7 th\u1ed1ng s\u1ebd hi\u1ec3n th\u1ecb li\u1ec7u t\u00ean mi\u1ec1n \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd \u0111\u01b0\u1ee3c hay kh\u00f4ng c\u0169ng nh\u01b0 c\u00e1c ph\u1ea7n t\u1eed t\u00ean mi\u1ec1n c\u1ea5p cao (top-level domains \u2013 TLD) c\u00f3 s\u1eb5n. Sau khi x\u00e1c nh\u1eadn r\u1eb1ng t\u00ean mi\u1ec1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c, h\u00e3y th\u00eam n\u00f3 v\u00e0o gi\u1ecf h\u00e0ng. Ti\u1ebfp theo, b\u1ea1n c\u1ea7n t\u1ea1o ho\u1eb7c \u0111\u0103ng nh\u1eadp v\u00e0o t\u00e0i kho\u1ea3n c\u1ee7a m\u00ecnh v\u00e0 \u0111i\u1ec1n th\u00f4ng tin ch\u00ednh x\u00e1c v\u1ec1 ng\u01b0\u1eddi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n. Theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh, th\u00f4ng tin \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n ph\u1ea3i \u0111\u00fang s\u1ef1 th\u1eadt, ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea7y \u0111\u1ee7. Cu\u1ed1i c\u00f9ng, ch\u1ecdn th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd v\u00e0 ho\u00e0n t\u1ea5t vi\u1ec7c thanh to\u00e1n; t\u00ean mi\u1ec1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd th\u00e0nh c\u00f4ng. H\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n nh\u00e0 \u0111\u0103ng k\u00fd v\u00e0 th\u00f4ng tin \u0111\u0103ng nh\u1eadp v\u00e0o n\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn.<\/p>\n\n\n\n

Th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd v\u00e0 gia h\u1ea1n t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Vi\u1ec7c \u0111\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 t\u1eebng n\u0103m. Sau khi \u0111\u0103ng k\u00fd th\u00e0nh c\u00f4ng, b\u1ea1n s\u1ebd c\u00f3 quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3 trong th\u1eddi h\u1ea1n \u0111\u00e3 ch\u1ecdn. C\u00e1c chu k\u1ef3 \u0111\u0103ng k\u00fd ph\u1ed5 bi\u1ebfn dao \u0111\u1ed9ng t\u1eeb 1 \u0111\u1ebfn 10 n\u0103m. \u0110i\u1ec1u c\u1ef1c k\u1ef3 quan tr\u1ecdng l\u00e0 b\u1ea1n ph\u1ea3i n\u00e2ng c\u1ea5p g\u00f3i \u0111\u0103ng k\u00fd \u0111\u00fang h\u1ea1n. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd \u0111\u1ec1u cung c\u1ea5p nhi\u1ec1u l\u1eddi nh\u1eafc nh\u1edf tr\u01b0\u1edbc khi t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n. N\u1ebfu t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p, n\u00f3 s\u1ebd tr\u1ea3i qua c\u00e1c giai \u0111o\u1ea1n \u0111\u01b0\u1ee3c mua l\u1ea1i v\u1edbi gi\u00e1 cao v\u00e0 sau \u0111\u00f3 b\u1ecb x\u00f3a, cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i th\u1ecb tr\u01b0\u1eddng c\u00f4ng c\u1ed9ng, c\u00f3 th\u1ec3 b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc, d\u1eabn \u0111\u1ebfn t\u1ed5n th\u1ea5t cho th\u01b0\u01a1ng hi\u1ec7u v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a b\u1ea1n.<\/p>\n\n\n

\n\n
\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

Qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n: Trung t\u00e2m c\u1ee7a an ninh v\u00e0 ki\u1ec3m so\u00e1t<\/h2>\n\n\n\n

Vi\u1ec7c \u0111\u0103ng k\u00fd th\u00e0nh c\u00f4ng ch\u1ec9 l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean; vi\u1ec7c qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n m\u1edbi l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gi\u00e1 tr\u1ecb l\u00e2u d\u00e0i c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi trang web c\u1ee7a b\u1ea1n. Qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n bao g\u1ed3m vi\u1ec7c b\u1ea3o tr\u00ec th\u00f4ng tin t\u00ean mi\u1ec1n, thi\u1ebft l\u1eadp c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt, v\u00e0 ki\u1ec3m so\u00e1t quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n \u0111<\/p>\n\n\n\n

Qu\u1ea3n l\u00fd th\u00f4ng tin \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Th\u00f4ng tin \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u00f4ng tin WHOIS, ghi l\u1ea1i c\u00e1c d\u1eef li\u1ec7u quan tr\u1ecdng nh\u01b0 ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n, ng\u01b0\u1eddi li\u00ean h\u1ec7 qu\u1ea3n l\u00fd, ng\u01b0\u1eddi li\u00ean h\u1ec7 k\u1ef9 thu\u1eadt, v.v. B\u1ea1n c\u00f3 tr\u00e1ch nhi\u1ec7m \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng th\u00f4ng tin n\u00e0y lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 c\u1eadp nh\u1eadt. Khi \u0111\u1ecba ch\u1ec9 email, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, v.v. thay \u0111\u1ed5i, b\u1ea1n c\u1ea7n nhanh ch\u00f3ng c\u1eadp nh\u1eadt ch\u00fang th\u00f4ng qua giao di\u1ec7n qu\u1ea3n tr\u1ecb c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n. Nh\u1eefng th\u00f4ng tin ch\u00ednh x\u00e1c s\u1ebd gi\u00fap b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng b\u00e1o quan tr\u1ecdng nh\u01b0 th\u00f4ng b\u00e1o gia h\u1ea1n, c\u1ea3nh b\u00e1o b\u1ea3o m\u1eadt, v.v. m\u1ed9t c\u00e1ch k\u1ecbp th\u1eddi.<\/p>\n\n\n\n

T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

T\u00e0i kho\u1ea3n t\u00ean mi\u1ec1n l\u00e0 c\u1ed5ng truy c\u1eadp trung t\u00e2m v\u00e0o c\u00e1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n, v\u00ec v\u1eady c\u1ea7n \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt \u1edf m\u1ee9c \u0111\u1ed9 cao nh\u1ea5t. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean b\u1eadt t\u00ednh n\u0103ng x\u00e1c th\u1ef1c hai b\u01b0\u1edbc cho t\u00e0i kho\u1ea3n, \u0111\u1eb7t m\u1ed9t m\u1eadt kh\u1ea9u m\u1ea1nh v\u00e0 th\u01b0\u1eddng xuy\u00ean thay \u0111\u1ed5i n\u00f3. H\u00e3y c\u1ea3nh gi\u00e1c v\u1edbi c\u00e1c email l\u1eeba \u0111\u1ea3o v\u00e0 cu\u1ed9c g\u1ecdi tr\u1ed9m c\u1eafp th\u00f4ng tin; b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u n\u00e0o y\u00eau c\u1ea7u b\u1ea1n cung c\u1ea5p m\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n ho\u1eb7c chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c minh th\u00f4ng qua c\u00e1c k\u00eanh ch\u00ednh th\u1ee9c. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi s\u1edf h\u1eefu nhi\u1ec1u t\u00ean mi\u1ec1n, b\u1ea1n n\u00ean xem x\u00e9t s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n c\u1ea5p doanh nghi\u1ec7p \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c ki\u1ec3m so\u00e1t t\u1eadp trung v\u00e0 ki\u1ec3m to\u00e1n b\u1ea3o m\u1eadt.<\/p>\n\n\n\n

Hi\u1ec3u v\u1ec1 chuy\u1ec3n \u0111\u1ed5i v\u00e0 kh\u00f3a t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n l\u00e0 qu\u00e1 tr\u00ecnh di chuy\u1ec3n t\u00ean mi\u1ec1n t\u1eeb m\u1ed9t nh\u00e0 \u0111\u0103ng k\u00fd sang nh\u00e0 \u0111\u0103ng k\u00fd kh\u00e1c. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n chuy\u1ec3n nh\u01b0\u1ee3ng, t\u00ean mi\u1ec1n ph\u1ea3i \u1edf tr\u1ea1ng th\u00e1i \u201ckh\u00f4ng \u0111\u01b0\u1ee3c kh\u00f3a\u201d (unlocked), v\u00e0 th\u1eddi gian k\u1ec3 t\u1eeb khi \u0111\u0103ng k\u00fd ho\u1eb7c l\u1ea7n chuy\u1ec3n nh\u01b0\u1ee3ng tr\u01b0\u1edbc \u0111\u00f3 ph\u1ea3i \u0111\u1ea1t \u00edt nh\u1ea5t 60 ng\u00e0y. C\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd th\u01b0\u1eddng cung c\u1ea5p d\u1ecbch v\u1ee5 \u201ckh\u00f3a t\u00ean mi\u1ec1n\u201d (domain locking) \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng tr\u00e1i ph\u00e9p; \u0111\u00e2y l\u00e0 m\u1ed9t t\u00ednh n\u0103ng b\u1ea3o m\u1eadt quan tr\u1ecdng. Khi th\u1ef1c hi\u1ec7n chuy\u1ec3n nh\u01b0\u1ee3ng, b\u1ea1n c\u1ea7n l\u1ea5y m\u00e3 \u1ee7y quy\u1ec1n chuy\u1ec3n nh\u01b0\u1ee3ng (transfer authorization code) t\u1eeb nh\u00e0 \u0111\u0103ng k\u00fd hi\u1ec7n t\u1ea1i v\u00e0 n\u1ed9p \u0111\u01a1n y\u00eau c\u1ea7u chuy\u1ec3n nh\u01b0\u1ee3ng t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd m\u1edbi.<\/p>\n\n\n\n

Ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n: C\u1ea7u n\u1ed1i gi\u1eefa t\u00ean mi\u1ec1n v\u00e0 m\u00e1y ch\u1ee7<\/h2>\n\n\n\n

Ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n d\u1ec5 \u0111\u1ecdc \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi (v\u00ed d\u1ee5:www.example.com<\/code>) th\u00e0nh \u0111\u1ecba ch\u1ec9 IP m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 nh\u1eadn d\u1ea1ng (v\u00ed d\u1ee5:192.0.2.1<\/code>) qu\u00e1 tr\u00ecnh. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e0i \u0111\u1eb7t ph\u00e2n gi\u1ea3i ch\u00ednh x\u00e1c, t\u00ean mi\u1ec1n s\u1ebd kh\u00f4ng th\u1ec3 d\u1eabn ng\u01b0\u1eddi truy c\u1eadp \u0111\u1ebfn m\u00e1y ch\u1ee7 trang web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u: Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ghi nh\u1eadn<\/h3>\n\n\n\n

Ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c b\u1ea3n ghi DNS kh\u00e1c nhau. C\u00e1c lo\u1ea1i b\u1ea3n ghi ph\u1ed5 bi\u1ebfn nh\u1ea5t 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, d\u00f9ng \u0111\u1ec3 tr\u1ecf \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IPv6; B\u1ea3n ghi CNAME, t\u1ee9c b\u1ea3n ghi b\u00ed danh, d\u00f9ng \u0111\u1ec3 tr\u1ecf m\u1ed9t t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 tr\u1ecf \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 do nh\u00e0 cung c\u1ea5p CDN cung c\u1ea5p; B\u1ea3n ghi MX, d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 nh\u1eadn th\u01b0; B\u1ea3n ghi TXT, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n v\u00e0 c\u00e0i \u0111\u1eb7t ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt email.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 thi\u1ebft l\u1eadp gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution)?<\/h3>\n\n\n\n

Vi\u1ec7c gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n do nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n ho\u1eb7c c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS chuy\u00ean nghi\u1ec7p cung c\u1ea5p. B\u1ea1n c\u1ea7n \u0111\u0103ng nh\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n tr\u1ecb, t\u00ecm m\u1ee5c qu\u1ea3n l\u00fd gi\u1ea3i quy\u1ebft DNS ho\u1eb7c c\u00e0i \u0111\u1eb7t gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n. T\u00f9y theo nhu c\u1ea7u c\u1ee7a trang web c\u1ee7a b\u1ea1n, h\u00e3y th\u00eam c\u00e1c b\u1ea3n ghi gi\u1ea3i quy\u1ebft t\u01b0\u01a1ng \u1ee9ng. V\u00ed d\u1ee5, \u0111\u1ec3 cho ph\u00e9p trang web\u2026www.example.com<\/code>\u0110\u1ec3 thi\u1ebft l\u1eadp ph\u00e2n gi\u1ea3i, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n th\u00eam m\u1ed9t b\u1ea3n ghi m\u00e1y ch\u1ee7 l\u00e0www<\/code>Lo\u1ea1i:A<\/code>H\u00e3y nh\u1eadp \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n v\u00e0o \u00f4 \u201cGhi ch\u00fa\u201d. Sau khi th\u00eam th\u00f4ng tin DNS, qu\u00e1 tr\u00ecnh tri\u1ec3n khai tr\u00ean to\u00e0n c\u1ea7u th\u01b0\u1eddng m\u1ea5t t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn v\u00e0i gi\u1edd; qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ctruy\u1ec1n th\u00f4ng tin DNS\u201d (DNS propagation).<\/p>\n\n\n\n

S\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 DNS chuy\u00ean nghi\u1ec7p<\/h3>\n\n\n\n

M\u1eb7c d\u00f9 h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u1ec1u cung c\u1ea5p d\u1ecbch v\u1ee5 gi\u1ea3i quy\u1ebft DNS mi\u1ec5n ph\u00ed, nh\u01b0ng \u0111\u1ed1i v\u1edbi nh\u1eefng trang web \u0111\u00f2i h\u1ecfi t\u1ed1c \u0111\u1ed9 gi\u1ea3i quy\u1ebft nhanh h\u01a1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n v\u00e0 c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt t\u1ed1t h\u01a1n, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS chuy\u00ean nghi\u1ec7p nh\u01b0 Cloudflare ho\u1eb7c DNSPod l\u00e0 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb. Nh\u1eefng nh\u00e0 cung c\u1ea5p n\u00e0y th\u01b0\u1eddng c\u00f3 m\u1ea1ng l\u01b0\u1edbi node to\u00e0n c\u1ea7u ho\u1ea1t \u0111\u1ed9ng nhanh h\u01a1n, kh\u1ea3 n\u0103ng ph\u00f2ng ch\u1ed1ng c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng linh ho\u1ea1t, c\u00f9ng v\u1edbi b\u00e1o c\u00e1o chi ti\u1ebft v\u1ec1 ho\u1ea1t \u0111\u1ed9ng gi\u1ea3i quy\u1ebft DNS, t\u1eeb \u0111\u00f3 gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 tr\u1ea3i nghi\u1ec7m truy c\u1eadp v\u00e0 m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt c\u1ee7a trang web.<\/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

Ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n\n\n\n

Sau khi n\u1eafm v\u1eefng nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111\u0103ng k\u00fd, qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution), vi\u1ec7c t\u00ecm hi\u1ec3u th\u00eam m\u1ed9t s\u1ed1 chi\u1ebfn l\u01b0\u1ee3c n\u00e2ng cao c\u00f9ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t s\u1ebd gi\u00fap t\u00e0i s\u1ea3n t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n tr\u1edf n\u00ean c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n v\u00e0 qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh tr\u1edf n\u00ean su\u00f4n s\u1ebb h\u01a1n<\/p>\n\n\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Theo m\u1eb7c \u0111\u1ecbnh, th\u00f4ng tin WHOIS c\u1ee7a t\u00ean mi\u1ec1n l\u00e0 c\u00f4ng khai v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp b\u1edfi b\u1ea5t k\u1ef3 ai, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n nh\u01b0 \u0111\u1ecba ch\u1ec9 email, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, v.v. b\u1ecb c\u00e1c ng\u01b0\u1eddi g\u1eedi th\u01b0 r\u00e1c v\u00e0 k\u1ebb l\u1eeba \u0111\u1ea3o s\u1eed d\u1ee5ng. D\u1ecbch v\u1ee5 \u201cB\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 WHOIS\u201d do nh\u00e0 \u0111\u0103ng k\u00fd cung c\u1ea5p cho ph\u00e9p thay th\u1ebf th\u00f4ng tin th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n b\u1eb1ng th\u00f4ng tin \u0111\u1ea1i di\u1ec7n do nh\u00e0 \u0111\u0103ng k\u00fd cung c\u1ea5p, t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng d\u1ecbch v\u1ee5 n\u00ean \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ngay sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n.<\/p>\n\n\n\n

Chi\u1ebfn l\u01b0\u1ee3c \u0111a t\u00ean mi\u1ec1n v\u00e0 b\u1ea3o v\u1ec7 th\u01b0\u01a1ng hi\u1ec7u<\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p, vi\u1ec7c \u0111\u0103ng k\u00fd nhi\u1ec1u bi\u1ebfn th\u1ec3 t\u00ean mi\u1ec1n li\u00ean quan \u0111\u1ebfn th\u01b0\u01a1ng hi\u1ec7u l\u00e0 m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o v\u1ec7 th\u01b0\u01a1ng hi\u1ec7u quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c \u0111\u0103ng k\u00fd c\u00e1c t\u00ean mi\u1ec1n c\u00f3 l\u1ed7i ch\u00ednh t\u1ea3 ph\u1ed5 bi\u1ebfn, c\u0169ng nh\u01b0 c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng t\u00ean mi\u1ec1n kh\u00e1c nhau (nh\u01b0\u2026)..com<\/code>\u3001.net<\/code>\u3001.com.cn<\/code>Ngo\u00e0i ra, c\u00f2n c\u00f3 c\u00e1c t\u00ean mi\u1ec1n li\u00ean quan \u0111\u1ebfn t\u00ean s\u1ea3n ph\u1ea9m ch\u00ednh. Nh\u1eefng t\u00ean mi\u1ec1n n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp (redirect), gi\u00fap \u0111\u01b0a to\u00e0n b\u1ed9 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u1ec1 trang web c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u ch\u00ednh, nh\u1eb1m ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng m\u1ea5t l\u01b0u l\u01b0\u1ee3ng truy c<\/p>\n\n\n\n

C\u00e1ch \u1ee9ng ph\u00f3 v\u1edbi t\u00ecnh tr\u1ea1ng chi\u1ebfm \u0111o\u1ea1t t\u00ean mi\u1ec1n v\u00e0 c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt<\/h3>\n\n\n\n

C\u00e1c m\u1ed1i \u0111e d\u1ecda \u0111\u1ed1i v\u1edbi an ninh t\u00ean mi\u1ec1n bao g\u1ed3m vi\u1ec7c chi\u1ebfm \u0111o\u1ea1t t\u00ean mi\u1ec1n (domain hijacking) v\u00e0 t\u1ea5n c\u00f4ng ki\u1ec3u DNS poisoning (\u0111\u1ea7u \u0111\u1ed9c b\u1ed9 l\u01b0u tr\u1eef th\u00f4ng tin DNS). C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba bao g\u1ed3m: lu\u00f4n s\u1eed d\u1ee5ng nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n uy t\u00edn v\u00e0 \u0111\u00e1ng tin c\u1eady; b\u1eadt t\u1ea5t c\u1ea3 c\u00e1c t\u00ednh n\u0103ng b\u1ea3o m\u1eadt li\u00ean quan \u0111\u1ebfn t\u00e0i kho\u1ea3n v\u00e0 t\u00ean mi\u1ec1n (nh\u01b0 kh\u00f3a t\u00e0i kho\u1ea3n, x\u00e1c th\u1ef1c hai b\u01b0\u1edbc); ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 xem li\u1ec7u th\u00f4ng tin gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n c\u00f3 b\u1ecb s\u1eeda \u0111\u1ed5i m\u1ed9t c\u00e1ch tr\u00e1i ph\u00e9p hay kh\u00f4ng; v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho email \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n. Ngay khi ph\u00e1t hi\u1ec7n t\u00ean mi\u1ec1n b\u1ecb chuy\u1ec3n nh\u01b0\u1ee3ng tr\u00e1i ph\u00e9p ho\u1eb7c th\u00f4ng tin gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n b\u1ecb thay \u0111\u1ed5i, b\u1ea1n<\/p>\n\n\n\n

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

T\u00ean mi\u1ec1n l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a doanh nghi\u1ec7p tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n v\u00e0 l\u00e0 trung t\u00e2m c\u1ee7a danh t\u00ednh k\u1ef9 thu\u1eadt s\u1ed1. T\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p m\u1ed9t c\u00e1ch k\u1ef9 l\u01b0\u1ee1ng, \u0111\u1ebfn vi\u1ec7c \u0111\u0103ng k\u00fd th\u00f4ng qua n\u1ec1n t\u1ea3ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd, qu\u1ea3n l\u00fd n\u00f3 m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 h\u00e0ng ng\u00e0y, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 thi\u1ebft l\u1eadp c\u00e1c quy t\u1eafc gi\u1ea3i quy\u1ebft (resolution rules) ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, m\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng. D\u00e0nh th\u1eddi gian \u0111\u1ec3 hi\u1ec3u r\u00f5 v\u00e0 x\u1eed l\u00fd \u0111\u00fang c\u00e1ch c\u00e1c kh\u00eda c\u1ea1nh n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ea3m b\u1ea3o trang web c\u1ee7a b\u1ea1n lu\u00f4n c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh, m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a b\u1ea1n kh\u1ecfi b\u1ecb x\u00e2m ph\u1ea1m, t\u1ea1o n\u00ean m\u1ed9t kh\u1edfi \u0111\u1ea7u v\u1eefng ch\u1eafc v\u00e0 \u0111\u00e1ng tin c\u1eady cho s\u1ef1 nghi\u1ec7p tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n.<\/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 th\u1ec3 s\u1eed d\u1ee5ng ngay \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n\n\n\n

\u0110\u00fang v\u1eady, sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, b\u1ea1n th\u01b0\u1eddng c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp n\u00f3 ngay l\u1eadp t\u1ee9c tr\u00ean giao di\u1ec7n qu\u1ea3n tr\u1ecb. Tuy nhi\u00ean, \u0111\u1ec3 t\u00ean mi\u1ec1n c\u00f3 th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o trang web c\u1ee7a b\u1ea1n, b\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n hai b\u01b0\u1edbc quan tr\u1ecdng: th\u1ee9 nh\u1ea5t l\u00e0 thi\u1ebft l\u1eadp c\u00e1c b\u1ea3n ghi gi\u1ea3i quy\u1ebft DNS (DNS records) \u0111\u00fang c\u00e1ch, h\u01b0\u1edbng d\u1eabn truy c\u1eadp \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 web; th\u1ee9 hai l\u00e0 ch\u1edd cho qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft DNS \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng tr\u00ean to\u00e0n c\u1ea7u, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn 48 gi\u1edd.<\/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

N\u1ebfu t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c gia h\u1ea1n, s\u1ebd c\u00f3 nh\u1eefng h\u1eadu qu\u1ea3 g\u00ec?<\/h3>\n\n\n\n

Sau khi h\u1ebft h\u1ea1n, t\u00ean mi\u1ec1n s\u1ebd kh\u00f4ng b\u1ecb x\u00f3a ngay l\u1eadp t\u1ee9c m\u00e0 th\u01b0\u1eddng tr\u1ea3i qua m\u1ed9t kho\u1ea3ng th\u1eddi gian gia h\u1ea1n (th\u1eddi gian \u01b0u \u0111\u00e3i). Trong th\u1eddi gian n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 gia h\u1ea1n t\u00ean mi\u1ec1n v\u1edbi m\u1ee9c gi\u00e1 b\u00ecnh th\u01b0\u1eddng \u0111\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng n\u00f3. N\u1ebfu kh\u00f4ng gia h\u1ea1n sau khi th\u1eddi gian \u01b0u \u0111\u00e3i k\u1ebft th\u00fac, t\u00ean mi\u1ec1n s\u1ebd b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n \u201cgia h\u1ea1n v\u1edbi gi\u00e1 cao\u201d, v\u00e0 m\u1ee9c gi\u00e1 gia h\u1ea1n s\u1ebd t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3. Sau khi giai \u0111o\u1ea1n n\u00e0y k\u1ebft th\u00fac, t\u00ean mi\u1ec1n s\u1ebd b\u1ecb x\u00f3a ho\u00e0n to\u00e0n v\u00e0 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i th\u1ecb tr\u01b0\u1eddng c\u00f4ng c\u1ed9ng, n\u01a1i b\u1ea5t k\u1ef3 ai c\u0169ng c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd l\u1ea1i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n m\u1ea5t quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3 v\u0129nh vi\u1ec5n.<\/p>\n\n\n\n

B\u1ea3n ghi CNAME v\u00e0 b\u1ea3n ghi A kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh n\u1eb1m \u1edf ch\u1ed7 ch\u00fang h\u01b0\u1edbng t\u1edbi nh\u1eefng m\u1ee5c ti\u00eau kh\u00e1c nhau. B\u1ea3n ghi A tr\u1ef1c ti\u1ebfp li\u00ean k\u1ebft \u0111\u1ebfn m\u1ed9t t\u00ean m\u00e1y ch\u1ee7 (v\u00ed d\u1ee5:\u2026)www<\/code>M\u1ed9t A-record tr\u1ecf \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4 c\u1ee5 th\u1ec3. Ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t CNAME-record tr\u1ecf m\u1ed9t t\u00ean m\u00e1y ch\u1ee7 (t\u00ean bi\u1ec7t danh) \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ecba ch\u1ec9 IP. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3\u2026shop.example.com<\/code>H\u00e3y thi\u1ebft l\u1eadp m\u1ed9t b\u1ea3n ghi CNAME, h\u01b0\u1edbng d\u1eabn truy c\u1eadp \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c.s.shopify.com<\/code>Nh\u01b0 v\u1eady, khi\u2026shop.example.com<\/code>Khi \u0111\u01b0\u1ee3c truy c\u1eadp, h\u1ec7 th\u1ed1ng DNS s\u1ebd th\u1ef1c hi\u1ec7n vi\u1ec7c t\u00ecm ki\u1ebfm th\u00f4ng tin c\u1ea7n thi\u1ebft.s.shopify.com<\/code>\u0110\u1ecba ch\u1ec9 IP c\u1ee7a n\u00f3. B\u1ea3n ghi A mang t\u00ednh tr\u1ef1c ti\u1ebfp h\u01a1n, trong khi b\u1ea3n ghi CNAME linh ho\u1ea1t h\u01a1n, gi\u00fap d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd c\u00e1c t\u00ean mi\u1ec1n con tr\u1ecf \u0111\u1ebfn c\u00e1c d\u1ecbch v\u1ee5 c\u1ee7a b\u00ean th\u1ee9 ba.<\/p>\n\n\n\n

C\u00f3 c\u1ea7n thi\u1ebft ph\u1ea3i b\u1eadt ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 t\u00ean mi\u1ec1n (domain privacy protection) kh\u00f4ng?<\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi \u0111\u1ea1i \u0111a s\u1ed1 ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p nh\u1ecf, vi\u1ec7c b\u1eadt t\u00ednh n\u0103ng b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 t\u00ean mi\u1ec1n l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. T\u00ednh n\u0103ng n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n t\u00ean th\u1eadt, \u0111\u1ecba ch\u1ec9, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i v\u00e0 email c\u1ee7a b\u1ea1n xu\u1ea5t hi\u1ec7n trong c\u01a1 s\u1edf d\u1eef li\u1ec7u WHOIS c\u00f4ng khai, t\u1eeb \u0111\u00f3 gi\u1ea3m nguy c\u01a1 nh\u1eadn th\u01b0 r\u00e1c, cu\u1ed9c g\u1ecdi ti\u1ebfp th\u1ecb v\u00e0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng l\u1eeba \u0111\u1ea3o tr\u1ef1c tuy\u1ebfn. M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 nh\u00e0 \u0111\u0103ng k\u00fd c\u00f3 th\u1ec3 thu th\u00eam ph\u00ed cho d\u1ecbch v\u1ee5 n\u00e0y, nh\u01b0ng x\u00e9t \u0111\u1ebfn gi\u00e1 tr\u1ecb v\u1ec1 quy\u1ec1n ri\u00eang t\u01b0 v\u00e0 b\u1ea3o m\u1eadt m\u00e0 n\u00f3 mang l\u1ea1i, kho\u1ea3n chi ph\u00ed \u0111\u00f3 th\u01b0\u1eddng l\u00e0 x\u1ee9ng \u0111\u00e1ng.<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng m\u1ed9t trang web \u2013 \u0111\u00f3 l\u00e0 vi\u1ec7c ch\u1ecdn v\u00e0 \u0111\u0103ng k\u00fd m\u1ed9t t\u00ean mi\u1ec1n (domain name). N\u1ed9i dung bao g\u1ed3m c\u00e1ch l\u1ef1a ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p, c\u00e1ch qu\u1ea3n l\u00fd t\u00e0i kho\u1ea3n t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch an to\u00e0n, c\u0169ng nh\u01b0 gi\u1ea3i th\u00edch chi ti\u1ebft nguy\u00ean l\u00fd v\u00e0 c\u00e1ch th\u1ee9c thi\u1ebft l\u1eadp d\u1ecbch v\u1ee5 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution). M\u1ee5c \u0111\u00edch c\u1ee7a b\u00e0i vi\u1ebft l\u00e0 gi\u00fap ng\u01b0\u1eddi d\u00f9ng n\u1eafm v\u1eefng ho\u00e0n to\u00e0n quy\u1ec1n ki\u1ec3m<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[],"knowledge_category":[279],"class_list":["post-12367126","knowledge_post","type-knowledge_post","status-publish","hentry","knowledge_category-domain"],"acf":{"site_seo_keywords":"\u57df\u540d\u6ce8\u518c\uff0c\u57df\u540d\u7ba1\u7406\uff0c\u57df\u540d\u89e3\u6790\uff0cDNS\u8bbe\u7f6e\uff0c\u7f51\u7ad9\u5efa\u8bbe\uff0c\u57df\u540d\u5b89\u5168\uff0c\u9009\u62e9\u57df\u540d\uff0c\u57df\u540d\u89e3\u6790\u8bb0\u5f55"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12367126","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\/12367126\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12367126"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12367126"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12367126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}