{"id":12379548,"date":"2026-03-20T13:17:50","date_gmt":"2026-03-20T05:17:50","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e8%b4%ad%e4%b9%b0%e5%9f%9f%e5%90%8d%e5%89%8d%e5%bf%85%e9%a1%bb%e4%ba%86%e8%a7%a3%e7%9a%8410%e4%b8%aa%e5%85%b3%e9%94%ae%e7%82%b9%ef%bc%9a%e4%bb%8e%e6%b3%a8%e5%86%8c%e5%88%b0%e8%a7%a3%e6%9e%90%e5%85%a8\/"},"modified":"2026-03-20T13:21:36","modified_gmt":"2026-03-20T05:21:36","slug":"buy-domain-name-guide-key-points-registration-resolution","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/buy-domain-name-guide-key-points-registration-resolution\/","title":{"rendered":"10 \u0111i\u1ec3m then ch\u1ed1t c\u1ea7n bi\u1ebft tr\u01b0\u1edbc khi mua t\u00ean mi\u1ec1n: H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc t\u1eeb vi\u1ec7c \u0111\u0103ng k\u00fd \u0111\u1ebfn qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft (resolution)"},"content":{"rendered":"

Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 t\u00ean mi\u1ec1n: \u0110i\u1ec1u g\u00ec l\u00e0 t\u00ean mi\u1ec1n?<\/h2>\n\n\n\n

Trong th\u1ebf gi\u1edbi internet, t\u00ean mi\u1ec1n (domain name) l\u00e0 \u0111\u1ecba ch\u1ec9 duy nh\u1ea5t d\u00f9ng \u0111\u1ec3 truy c\u1eadp v\u00e0o trang web c\u1ee7a b\u1ea1n, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u1ed1 nh\u00e0 tr\u00ean m\u1ea1ng. N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 \u0111\u01b0\u1ee3c ph\u00e2n c\u00e1ch b\u1eb1ng d\u1ea5u ch\u1ea5m, v\u00ed d\u1ee5 nh\u01b0 \u201cexample.com\u201d. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a t\u00ean mi\u1ec1n l\u00e0 bi\u1ebfn \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p, g\u1ed3m c\u00e1c con s\u1ed1 (nh\u01b0 192.0.2.1), th\u00e0nh m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 d\u1ec5 nh\u1edb v\u00e0 d\u1ec5 \u0111\u00e1nh m\u00e1y h\u01a1n \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi.<\/p>\n\n\n\n

M\u1ed9t t\u00ean mi\u1ec1n ho\u00e0n ch\u1ec9nh bao g\u1ed3m nhi\u1ec1u ph\u1ea7n kh\u00e1c nhau. L\u1ea5y v\u00ed d\u1ee5 \u201cwww.example.com\u201d: \u201ccom\u201d l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (top-level domain \u2013 TLD), \u201cexample\u201d l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p hai (second-level domain), v\u00e0 \u201cwww\u201d l\u00e0 t\u00ean mi\u1ec1n con (subdomain). T\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (TLD) l\u00e0 ph\u1ea7n cu\u1ed1i c\u00f9ng c\u1ee7a t\u00ean mi\u1ec1n. C\u00e1c TLD ph\u1ed5 bi\u1ebfn bao g\u1ed3m \u201c.com\u201d, \u201c.net\u201d, \u201c.org\u201d, v.v., c\u0169ng nh\u01b0 c\u00e1c TLD \u0111\u1ea1i di\u1ec7n cho qu\u1ed1c gia ho\u1eb7c khu v\u1ef1c nh\u01b0 \u201c.cn\u201d, \u201c.us\u201d. T\u00ean mi\u1ec1n c\u1ea5p hai l\u00e0 ph\u1ea7n ch\u00ednh m\u00e0 b\u1ea1n t\u1ef1 \u0111\u1ecbnh khi \u0111\u0103ng k\u00fd; n\u00f3 tr\u1ef1c ti\u1ebfp th\u1ec3 hi\u1ec7n th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c t\u00ean trang web c\u1ee7a b\u1ea1n. T\u00ean mi\u1ec1n con l\u00e0 s\u1ef1 ph\u00e2n chia ti\u1ebfp theo c\u1ee7a t\u00ean mi\u1ec1n c\u1ea5p hai, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a trang web, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cblog.example.com\u201d ho\u1eb7c \u201cshop.example.com\u201d.<\/p>\n\n\n\n

Vi\u1ec7c hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac c\u1ee7a t\u00ean mi\u1ec1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean quan tr\u1ecdng \u0111\u1ec3 \u0111\u01b0a ra nh\u1eefng l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t. 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 t\u1ed1t nh\u1ea5t l\u00e0 ph\u1ea3n \u00e1nh \u0111\u01b0\u1ee3c ch\u1ee7 \u0111\u1ec1 ho\u1eb7c th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a trang web.<\/p>\n

\u0110\u1ecdc th\u00eam C\u00e1ch ch\u1ecdn v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n \u0111\u00fang \u0111\u1eafn: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n t\u1eeb ng\u01b0\u1eddi m\u1edbi \u0111\u1ebfn chuy\u00ean gia<\/a>\u3002<\/p>\n\n\n\n\n

C\u00e1c y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i c\u1ea7n xem x\u00e9t khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t h\u00e0nh \u0111\u1ed9ng mua b\u00e1n \u0111\u01a1n gi\u1ea3n; n\u00f3 \u0111\u00f2i h\u1ecfi nhi\u1ec1u quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n l\u00e2u d\u00e0i c\u1ee7a trang web v\u00e0 an to\u00e0n th\u01b0\u01a1ng hi\u1ec7u.<\/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

Ch\u1ecdn \u0111u\u00f4i t\u00ean mi\u1ec1n (TLD \u2013 Top-Level Domain) ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n

\u201c.com\u201d v\u00ec \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i tr\u00ean to\u00e0n th\u1ebf gi\u1edbi v\u00e0 mang t\u00ednh ch\u1ea5t uy t\u00edn, th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i. Tuy nhi\u00ean, c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Internet, \u0111\u00e3 xu\u1ea5t hi\u1ec7n h\u00e0ng tr\u0103m t\u00ean mi\u1ec1n c\u1ea5p cao m\u1edbi nh\u01b0 \u201c.io\u201d (d\u00e0nh cho c\u00e1c c\u00f4ng ty kh\u1edfi nghi\u1ec7p c\u00f4ng ngh\u1ec7), \u201c.ai\u201d (l\u0129nh v\u1ef1c tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o), \u201c.app\u201d (\u1ee9ng d\u1ee5ng di \u0111\u1ed9ng), v.v. Khi l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n, c\u1ea7n xem x\u00e9t \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 ch\u1ea5p nh\u1eadn c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng m\u1ee5c ti\u00eau, quy \u01b0\u1edbc trong ng\u00e0nh v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi th\u01b0\u01a1ng hi\u1ec7u. \u0110\u1ed1i v\u1edbi c\u00e1c trang web ch\u1ee7 y\u1ebfu h\u01b0\u1edbng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng Trung Qu\u1ed1c, \u201c.cn\u201d ho\u1eb7c \u201c.com.cn\u201d c\u0169ng l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn r\u1ea5t ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n

Ki\u1ec3m tra t\u00ednh kh\u1ea3 d\u1ee5ng v\u00e0 l\u1ecbch s\u1eed s\u1eed d\u1ee5ng c\u1ee7a t\u00ean mi\u1ec1n.<\/h3>\n\n\n\n

Sau khi ch\u1ecdn \u0111\u01b0\u1ee3c t\u00ean mi\u1ec1n m\u00ecnh y\u00eau th\u00edch, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u1ec3 ki\u1ec3m tra xem n\u00f3 c\u00f3 s\u1eb5n hay kh\u00f4ng. \u0110i\u1ec1u quan tr\u1ecdng h\u01a1n n\u1eefa l\u00e0 b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh xem t\u00ean mi\u1ec1n \u0111\u00f3 \u0111\u00e3 t\u1eebng \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc \u0111\u00f3 hay ch\u01b0a (t\u1ee9c l\u00e0 li\u1ec7u \u0111\u00f3 c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t \u201ct\u00ean mi\u1ec1n \u0111\u00e3 qua s\u1eed d\u1ee5ng\u201d hay kh\u00f4ng). C\u00f3 nhi\u1ec1u c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n tra c\u1ee9u l\u1ecbch s\u1eed c\u1ee7a t\u00ean mi\u1ec1n, bao g\u1ed3m vi\u1ec7c xem li\u1ec7u n\u00f3 c\u00f3 t\u1eebng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1eedi th\u01b0 r\u00e1c, b\u1ecb c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm tr\u1eebng ph\u1ea1t, ho\u1eb7c c\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1c v\u1ee5 ki\u1ec7n ph\u00e1p l\u00fd hay kh\u00f4ng. Vi\u1ec7c \u0111\u0103ng k\u00fd m\u1ed9t t\u00ean mi\u1ec1n c\u00f3 \u201cl\u1ecbch s\u1eed kh\u00f4ng t\u1ed1t\u201d c\u00f3 th\u1ec3 khi\u1ebfn trang web m\u1edbi g\u1eb7p ph\u1ea3i nhi\u1ec1u tr\u1edf ng\u1ea1i l\u1edbn v\u1ec1 m\u1eb7t SEO v\u00e0 uy t\u00edn ngay t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n

Hi\u1ec3u m\u1ed1i quan h\u1ec7 gi\u1eefa nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u00e0 c\u01a1 quan \u0111\u0103ng k\u00fd<\/h3>\n\n\n\n

C\u01a1 quan \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (Domain Name Registry) l\u00e0 t\u1ed5 ch\u1ee9c qu\u1ea3n l\u00fd c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (ch\u1eb3ng h\u1ea1n nh\u01b0 \u201c.com\u201d do Verisign qu\u1ea3n l\u00fd), trong khi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (Domain Name Registrars) nh\u01b0 GoDaddy, Alibaba Cloud, Tencent Cloud l\u00e0 nh\u1eefng c\u00f4ng ty \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n \u0111\u1ec3 b\u00e1n t\u00ean mi\u1ec1n cho c\u00f4ng ch\u00fang. B\u1ea1n mua d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p n\u00e0y. Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p c\u00f3 uy t\u00edn, d\u1ecbch v\u1ee5 \u1ed5n \u0111\u1ecbnh, giao di\u1ec7n qu\u1ea3n l\u00fd th\u00e2n thi\u1ec7n v\u00e0 d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng nhanh ch\u00f3ng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd v\u00e0 t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n.<\/h3>\n\n\n\n

Vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ednh ph\u00ed theo n\u0103m. Khi \u0111\u0103ng k\u00fd l\u1ea7n \u0111\u1ea7u ti\u00ean, b\u1ea1n n\u00ean \u0111\u0103ng k\u00fd cho nhi\u1ec1u n\u0103m li\u00ean t\u1ee5c (v\u00ed d\u1ee5: 2\u20135 n\u0103m) \u0111\u1ec3 gi\u1eef nguy\u00ean m\u1ee9c gi\u00e1 hi\u1ec7n t\u1ea1i v\u00e0 tr\u00e1nh t\u00ecnh tr\u1ea1ng gi\u00e1 t\u0103ng sau n\u00e0y. \u0110i\u1ec1u n\u00e0y c\u0169ng g\u1eedi m\u1ed9t t\u00edn hi\u1ec7u t\u00edch c\u1ef1c \u0111\u1ebfn c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, cho th\u1ea5y trang web c\u00f3 k\u1ebf ho\u1ea1ch ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i, c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch nh\u1ecf cho c\u00f4ng t\u00e1c t\u1ed1i \u01b0u h\u00f3a trang web (SEO). \u0110\u1eebng qu\u00ean b\u1eadt v\u00e0 x\u00e1c nh\u1eadn ch\u1ee9c n\u0103ng t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ecba ch\u1ec9 email li\u00ean k\u1ebft v\u1edbi t\u00e0i kho\u1ea3n c\u1ee7a b\u1ea1n v\u1eabn c\u00f2n h\u1ee3p l\u1ec7 \u0111\u1ec3 tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n v\u00e0 b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc, g\u00e2y ra nh\u1eefng t\u1ed5n th\u1ea5t kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c.<\/p>\n

\u0110\u1ecdc th\u00eam Ph\u00e2n t\u00edch t\u00ean mi\u1ec1n to\u00e0n di\u1ec7n: T\u1eeb kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n \u0111\u1ebfn th\u1ef1c h\u00e0nh l\u1ef1a ch\u1ecdn, qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o m\u1eadt<\/a>\u3002<\/p>\n\n\n\n\n

Qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n v\u00e0 c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt<\/h2>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u00e0nh c\u00f4ng, vi\u1ec7c qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 v\u00e0 thi\u1ebft l\u1eadp c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ch\u1eb7t ch\u1ebd l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 n\u00e0y.<\/p>\n\n\n\n

Th\u00f4ng tin ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n v\u00e0 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0<\/h3>\n\n\n\n

Khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, b\u1ea1n c\u1ea7n cung c\u1ea5p th\u00f4ng tin ch\u00ednh x\u00e1c v\u1ec1 ch\u1ee7 s\u1edf h\u1eefu (t\u00ean, \u0111\u1ecba ch\u1ec9, email, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i). Nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef c\u00f4ng khai trong c\u01a1 s\u1edf d\u1eef li\u1ec7u WHOIS. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nguy c\u01a1 r\u00f2 r\u1ec9 th\u00f4ng tin c\u00e1 nh\u00e2n, nh\u1eadn th\u01b0 r\u00e1c ho\u1eb7c b\u1ecb qu\u1ea5y r\u1ed1i. 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 \u201cB\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 WHOIS\u201d (\u0111\u00f4i khi mi\u1ec5n ph\u00ed, \u0111\u00f4i khi c\u00f3 ph\u00ed), d\u1ecbch v\u1ee5 n\u00e0y s\u1ebd thay th\u1ebf th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n b\u1eb1ng th\u00f4ng tin c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd, t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

Thi\u1ebft l\u1eadp ch\u1ee9c n\u0103ng kh\u00f3a t\u00ean mi\u1ec1n v\u00e0 m\u00e3 \u1ee7y quy\u1ec1n chuy\u1ec3n nh\u01b0\u1ee3ng<\/h3>\n\n\n\n

Vi\u1ec7c kh\u00f3a t\u00ean mi\u1ec1n l\u00e0 m\u1ed9t t\u00ednh n\u0103ng b\u1ea3o m\u1eadt quan tr\u1ecdng, gi\u00fap ng\u0103n ch\u1eb7n t\u00ean mi\u1ec1n b\u1ecb chuy\u1ec3n nh\u01b0\u1ee3ng tr\u00e1i ph\u00e9p sang nh\u00e0 \u0111\u0103ng k\u00fd kh\u00e1c. Trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n tr\u1ecb c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd, b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00f9y ch\u1ecdn \u201cKh\u00f3a nh\u00e0 \u0111\u0103ng k\u00fd\u201d (Registrar Lock) ho\u1eb7c \u201cKh\u00f3a chuy\u1ec3n nh\u01b0\u1ee3ng\u201d (Transfer Lock) \u0111ang \u0111\u01b0\u1ee3c b\u1eadt. Khi b\u1ea1n th\u1ef1c s\u1ef1 c\u1ea7n chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n, b\u1ea1n c\u00f3 th\u1ec3 kh\u00f3a n\u00f3 t\u1ea1m th\u1eddi v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c \u201cM\u00e3 \u1ee7y quy\u1ec1n chuy\u1ec3n nh\u01b0\u1ee3ng\u201d (Transfer Authorization Code) \u2013 \u0111\u00e2y l\u00e0 m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 d\u00f9ng \u0111\u1ec3 x\u00e1c th\u1ef1c quy\u1ec1n chuy\u1ec3n nh\u01b0\u1ee3ng. H\u00e3y b\u1ea3o m\u1eadt m\u00e3 n\u00e0y m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch b\u1ea1n b\u1ea3o m\u1eadt c\u00e1c m\u1eadt kh\u1ea9u quan tr\u1ecdng kh\u00e1c.<\/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

Qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7 DNS cho t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

M\u00e1y ch\u1ee7 h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (Domain Name System \u2013 DNS) \u0111\u00f3ng vai tr\u00f2 nh\u01b0 c\u1ea7u n\u1ed1i gi\u1eefa t\u00ean mi\u1ec1n v\u00e0 m\u00e1y ch\u1ee7 (server) ch\u1ee9a n\u1ed9i dung trang web. C\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u01b0\u1eddng cung c\u1ea5p m\u00e1y ch\u1ee7 DNS m\u1eb7c \u0111\u1ecbnh. B\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 DNS do nh\u00e0 \u0111\u0103ng k\u00fd cung c\u1ea5p, ho\u1eb7c thay \u0111\u1ed5i n\u00f3 sang \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS chuy\u00ean nghi\u1ec7p b\u00ean th\u1ee9 ba (ch\u1eb3ng h\u1ea1n nh\u01b0 Cloudflare, DNSPod). Nh\u1eefng nh\u00e0 cung c\u1ea5p n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i t\u1ed1c \u0111\u1ed9 gi\u1ea3i quy\u1ebft y\u00eau c\u1ea7u truy c\u1eadp nhanh h\u01a1n, kh\u1ea3 n\u0103ng ch\u1ed1ng t\u1ea5n c\u00f4ng m\u1ea1nh m\u1ebd h\u01a1n v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng qu\u1ea3n l\u00fd ti\u1ec7n l\u1ee3i h\u01a1n. Vi\u1ec7c thay \u0111\u1ed5i m\u00e1y ch\u1ee7 DNS m\u1ea5t m\u1ed9t kho\u1ea3ng th\u1eddi gian (th\u01b0\u1eddng t\u1eeb v\u00e0i gi\u1edd \u0111\u1ebfn 48 gi\u1edd) \u0111\u1ec3 c\u00f3 hi\u1ec7u l\u1ef1c tr\u00ean to\u00e0n c\u1ea7u; trong th\u1eddi gian n\u00e0y, truy c\u1eadp v\u00e0o trang web c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 (kh\u00f4ng \u1ed5n \u0111\u1ecbnh).<\/p>\n\n\n\n

ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n v\u00e0 \u0111\u01b0a website l\u00ean m\u1ea1ng<\/h2>\n\n\n\n

Qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution) l\u00e0 vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 web, \u0111\u00e2y c\u0169ng ch\u00ednh l\u00e0 b\u01b0\u1edbc cu\u1ed1i c\u00f9ng \u0111\u1ec3 m\u1ed9t trang web c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy c\u1eadp.<\/p>\n\n\n\n

Hi\u1ec3u v\u1ec1 c\u00e1c lo\u1ea1i b\u1ea3n ghi (records) nh\u01b0 A-record, CNAME-record v\u00e0 MX-record:<\/h3>\n\n\n\n

Trong giao di\u1ec7n qu\u1ea3n l\u00fd DNS c\u1ee7a t\u00ean mi\u1ec1n, b\u1ea1n c\u1ea7n c\u1ea5u h\u00ecnh c\u00e1c lo\u1ea1i \u201cb\u1ea3n ghi\u201d kh\u00e1c nhau \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng mong mu\u1ed1n. B\u1ea3n ghi A l\u00e0 lo\u1ea1i c\u01a1 b\u1ea3n nh\u1ea5t; n\u00f3 \u0111\u1ecbnh tuy\u1ebfn t\u00ean mi\u1ec1n tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4 (IP c\u1ee7a m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n). B\u1ea3n ghi CNAME (b\u1ea3n ghi t\u00ean mi\u1ec1n \u1ea9n danh) d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn \u201cwww.example.com\u201d \u0111\u1ebfn \u201cexample.com\u201d, ho\u1eb7c \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n \u0111\u1ebfn c\u00e1c d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba (ch\u1eb3ng h\u1ea1n nh\u01b0 GitHub Pages, c\u1eeda h\u00e0ng tr\u1ef1c tuy\u1ebfn tr\u00ean Shopify). B\u1ea3n ghi MX \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 nh\u1eadn email; n\u1ebfu b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng email doanh nghi\u1ec7p\u2026name@yourdomain.com<\/code>Vi\u1ec7c thi\u1ebft l\u1eadp \u0111\u00fang c\u00e1c b\u1ea3n ghi MX (Mail Exchange Records) l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c.<\/p>\n

\u0110\u1ecdc th\u00eam Ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u1ec1 t\u00ean mi\u1ec1n: H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t t\u1eeb l\u1ef1a ch\u1ecdn, ph\u00e2n gi\u1ea3i \u0111\u1ebfn qu\u1ea3n l\u00fd an ninh<\/a>\u3002<\/p>\n\n\n\n\n

Th\u1eddi \u0111i\u1ec3m hi\u1ec7u l\u1ef1c c\u1ee7a vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 gi\u00e1 tr\u1ecb TTL (Time To Live)<\/h3>\n\n\n\n

Khi b\u1ea1n thay \u0111\u1ed5i c\u00e1c b\u1ea3n ghi DNS, c\u00e1c m\u00e1y ch\u1ee7 DNS tr\u00ean to\u00e0n th\u1ebf gi\u1edbi c\u1ea7n th\u1eddi gian \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 h\u00f3a nh\u1eefng thay \u0111\u1ed5i n\u00e0y; th\u1eddi gian n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cth\u1eddi gian truy\u1ec1n th\u00f4ng\u201d (propagation time), th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn 48 gi\u1edd. Gi\u00e1 tr\u1ecb TTL (Time To Live) quy \u0111\u1ecbnh th\u1eddi gian m\u00e0 b\u1ea3n ghi DNS \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a m\u00e1y ch\u1ee7 \u0111\u1ecba ph\u01b0\u01a1ng. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n vi\u1ec7c di chuy\u1ec3n trang web quan tr\u1ecdng ho\u1eb7c thay \u0111\u1ed5i \u0111\u1ecba ch\u1ec9 IP, b\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3m gi\u00e1 tr\u1ecb TTL xu\u1ed1ng (v\u00ed d\u1ee5: 300 gi\u00e2y) \u0111\u1ec3 c\u00e1c thay \u0111\u1ed5i c\u00f3 hi\u1ec7u l\u1ef1c nhanh h\u01a1n; sau khi c\u00e1c thay \u0111\u1ed5i \u0111\u00e3 \u1ed5n \u0111\u1ecbnh, b\u1ea1n c\u00f3 th\u1ec3 t\u0103ng gi\u00e1 tr\u1ecb TTL l\u00ean (v\u00ed d\u1ee5: 86400 gi\u00e2y) \u0111\u1ec3 gi\u1ea3m t\u1ea3i truy v\u1ea5n v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp.<\/p>\n\n\n\n

C\u00e1ch s\u1eed d\u1ee5ng linh ho\u1ea1t c\u00e1c t\u00ean mi\u1ec1n con<\/h3>\n\n\n\n

Subdomains (t\u00ean mi\u1ec1n con) cho ph\u00e9p b\u1ea1n t\u1ea1o ra c\u00e1c ph\u1ea7n ri\u00eang bi\u1ec7t tr\u00ean trang web m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u0103ng k\u00fd th\u00eam t\u00ean mi\u1ec1n m\u1edbi. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u201cblog.example.com\u201d cho blog c\u1ee7a m\u00ecnh, \u201cshop.example.com\u201d cho trang web b\u00e1n h\u00e0ng, v\u00e0 \u201chelp.example.com\u201d cho trung t\u00e2m h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ed5 ch\u1ee9c c\u1ea5u tr\u00fac trang web m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng h\u01a1n; c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm s\u1ebd coi c\u00e1c subdomain nh\u01b0 nh\u1eefng th\u1ef1c th\u1ec3 \u0111\u1ed9c l\u1eadp \u0111\u1ec3 l\u1eadp ch\u1ec9 m\u1ee5c v\u00e0 x\u1ebfp h\u1ea1ng, t\u1eeb \u0111\u00f3 mang l\u1ea1i c\u01a1 h\u1ed9i t\u1ed1i \u01b0u h\u00f3a c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm (SEO) t\u1ed1t h\u01a1n cho t\u1eebng ph\u1ea7n n\u1ed9i dung ri\u00eang bi\u1ec7t.<\/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

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

Mua t\u00ean mi\u1ec1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c kh\u1edfi \u0111\u1ed9ng m\u1ed9t doanh nghi\u1ec7p tr\u1ef1c tuy\u1ebfn, v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 l\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i b\u00e0n c\u00e3i. T\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p v\u1edbi th\u01b0\u01a1ng hi\u1ec7u v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng, \u0111\u1ebfn vi\u1ec7c \u0111\u0103ng k\u00fd th\u00f4ng qua nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady v\u00e0 qu\u1ea3n l\u00fd n\u00f3 m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn; t\u1eeb vi\u1ec7c thi\u1ebft l\u1eadp c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ch\u1eb7t ch\u1ebd \u0111\u1ec3 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1, \u0111\u1ebfn vi\u1ec7c hi\u1ec3u \u0111\u00fang v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c gi\u1ea3i quy\u1ebft DNS \u0111\u1ec3 trang web c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru \u2013 m\u1ecdi kh\u00e2u \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t m\u1ed9t c\u00e1ch k\u1ef9 l\u01b0\u1ee1ng. H\u00e3y coi vi\u1ec7c mua t\u00ean mi\u1ec1n nh\u01b0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 chi\u1ebfn l\u01b0\u1ee3c l\u00e2u d\u00e0i, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kho\u1ea3n chi ti\u00eau m\u1ed9t l\u1ea7n. Nh\u1edd v\u00e0o k\u1ebf ho\u1ea1ch t\u1ec9 m\u1ec9 v\u00e0 qu\u1ea3n l\u00fd li\u00ean t\u1ee5c, t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf th\u00e0nh n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc v\u00e0 qu\u00fd b\u00e1u cho th\u01b0\u01a1ng hi\u1ec7u tr\u00ean 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, li\u1ec7u n\u00f3 c\u00f3 thu\u1ed9c v\u1ec1 t\u00f4i m\u00e3i m\u00e3i kh\u00f4ng?<\/h3>\n\n\n\n

Kh\u00f4ng ph\u1ea3i v\u1eady. Vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 b\u1ea1n \u201ccho thu\u00ea\u201d quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3 t\u1eeb c\u01a1 quan \u0111\u0103ng k\u00fd trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, th\u01b0\u1eddng theo n\u0103m. B\u1ea1n c\u1ea7n n\u00e2ng c\u1ea5p (ti\u1ebfp t\u1ee5c thanh to\u00e1n ph\u00ed) \u0111\u00fang h\u1ea1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c gi\u1eef quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3. N\u1ebfu h\u1ebft h\u1ea1n m\u00e0 kh\u00f4ng n\u00e2ng c\u1ea5p, t\u00ean mi\u1ec1n s\u1ebd b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n \u0111\u01b0\u1ee3c thu h\u1ed3i v\u00e0 cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng, \u0111\u1ec3 ng\u01b0\u1eddi kh\u00e1c c\u00f3 th\u1ec3 \u0111\u0103ng<\/p>\n\n\n\n

T\u00f4i c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n t\u1eeb m\u1ed9t nh\u00e0 \u0111\u0103ng k\u00fd sang nh\u00e0 \u0111\u0103ng k\u00fd kh\u00e1c kh\u00f4ng?<\/h3>\n\n\n\n

\u0110\u01b0\u1ee3c. Theo quy \u0111\u1ecbnh c\u1ee7a ICANN, sau 60 ng\u00e0y k\u1ec3 t\u1eeb khi t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd v\u00e0 trong v\u00f2ng \u00edt nh\u1ea5t 15 ng\u00e0y tr\u01b0\u1edbc ng\u00e0y h\u1ebft h\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n t\u00ean mi\u1ec1n \u0111\u00f3 sang nh\u00e0 \u0111\u0103ng k\u00fd kh\u00e1c. Quy tr\u00ecnh bao g\u1ed3m: y\u00eau c\u1ea7u nh\u00e0 \u0111\u0103ng k\u00fd hi\u1ec7n t\u1ea1i gi\u1ea3i kh\u00f3a t\u00ean mi\u1ec1n, nh\u1eadn m\u00e3 x\u00e1c th\u1ef1c chuy\u1ec3n nh\u01b0\u1ee3ng, n\u1ed9p \u0111\u01a1n chuy\u1ec3n nh\u01b0\u1ee3ng t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd m\u1edbi v\u00e0 thanh to\u00e1n ph\u00ed (th\u01b0\u1eddng bao g\u1ed3m c\u1ea3 ph\u00ed gia h\u1ea1n m\u1ed9t n\u0103m). Qu\u00e1 tr\u00ecnh chuy\u1ec3n nh\u01b0\u1ee3ng th\u01b0\u1eddng m\u1ea5t t\u1eeb 5 \u0111\u1ebfn 7 ng\u00e0y.<\/p>\n\n\n\n

N\u1ebfu t\u00ean mi\u1ec1n \u201c.com\u201d b\u1ea1n 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 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 t\u00ean mi\u1ec1n \u0111\u00f3 hay kh\u00f4ng; th\u00f4ng tin li\u00ean l\u1ea1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c cung c\u1ea5p trong b\u1ea3ng th\u00f4ng tin WHOIS. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 xem x\u00e9t s\u1eed d\u1ee5ng c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao kh\u00e1c nh\u01b0 \u201c.net\u201d, \u201c.co\u201d ho\u1eb7c c\u00e1c t\u00ean mi\u1ec1n m\u1edbi d\u00e0nh cho t\u1eebng ng\u00e0nh ngh\u1ec1 c\u1ee5 th\u1ec3. Ngo\u00e0i ra, m\u1ed9t s\u1ed1 chi\u1ebfn l\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn kh\u00e1c bao g\u1ed3m th\u00eam ti\u1ec1n t\u1ed1 ho\u1eb7c h\u1eadu t\u1ed1 v\u00e0o t\u00ean mi\u1ec1n hi\u1ec7n c\u00f3, s\u1eed d\u1ee5ng c\u00e1c t\u1eeb vi\u1ebft t\u1eaft, ho\u1eb7c ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n ho\u00e0n to\u00e0n m\u1edbi v\u00e0 s\u00e1ng t\u1ea1o.<\/p>\n\n\n\n

T\u00ean mi\u1ec1n (domain name) v\u00e0 m\u00e1y ch\u1ee7 (server) c\u00f3 ph\u1ea3i l\u00e0 c\u00f9ng m\u1ed9t th\u1ee9 kh\u00f4ng?<\/h3>\n\n\n\n

Kh\u00f4ng ph\u1ea3i v\u1eady. T\u00ean mi\u1ec1n (domain name) l\u00e0 \u0111\u1ecba ch\u1ec9 c\u1ee7a trang web c\u1ee7a b\u1ea1n, trong khi m\u00e1y ch\u1ee7 (server) l\u00e0 kh\u00f4ng gian v\u1eadt l\u00fd ho\u1eb7c \u1ea3o d\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c t\u1ec7p tin c\u1ee7a trang web, c\u01a1 s\u1edf d\u1eef li\u1ec7u (database), v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh (programs) c\u1ea7n thi\u1ebft \u0111\u1ec3 trang web ho\u1ea1t \u0111\u1ed9ng. B\u1ea1n c\u1ea7n ph\u1ea3i li\u00ean k\u1ebft t\u00ean mi\u1ec1n v\u1edbi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 th\u00f4ng qua qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch DNS (Domain Name System) \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o n\u1ed9i dung trang web c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3. C\u1ea3 t\u00ean mi\u1ec1n v\u00e0 m\u00e1y ch\u1ee7 \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c mua t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 kh\u00e1c nhau.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft m\u1ed9t t\u00ean mi\u1ec1n c\u00f3 \u0111\u00e1ng \u0111\u1ec3 mua hay kh\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng t\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u01b0\u1edbc \u0111\u00f3?<\/h3>\n\n\n\n

Ngo\u00e0i vi\u1ec7c ki\u1ec3m tra l\u1ecbch s\u1eed c\u1ee7a t\u00ean mi\u1ec1n (xem c\u00f3 b\u1ecb ph\u1ea1t hay kh\u00f4ng), b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 SEO \u0111\u1ec3 xem li\u1ec7u t\u00ean mi\u1ec1n \u0111\u00f3 c\u00f3 s\u1eb5n c\u00e1c ngu\u1ed3n li\u00ean k\u1ebft (backlinks) n\u00e0o kh\u00f4ng; nh\u1eefng li\u00ean k\u1ebft n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i gi\u00e1 tr\u1ecb v\u1ec1 m\u1eb7t th\u1ee9 h\u1ea1ng tr\u00ean trang web. H\u00e3y \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 d\u00e0i c\u1ee7a c\u00e1c li\u00ean k\u1ebft, m\u1ee9c \u0111\u1ed9 d\u1ec5 nh\u1edb, xem li\u1ec7u ch\u00fang c\u00f3 d\u1ec5 b\u1ecb nh\u1ea7m l\u1eabn trong vi\u1ec7c \u0111\u00e1nh v\u1ea7n hay kh\u00f4ng, v\u00e0 xem ch\u00fang c\u00f3 ch\u1ee9a c\u00e1c t\u1eeb kh\u00f3a c\u00f3 gi\u00e1 tr\u1ecb th\u01b0\u01a1ng m\u1ea1i hay kh\u00f4ng. \u0110\u1ed1i v\u1edbi c\u00e1c t\u00ean mi\u1ec1n thu\u1ed9c th\u01b0\u01a1ng hi\u1ec7u, y\u1ebfu t\u1ed1 quan tr\u1ecdng h\u01a1n l\u00e0 c\u00e1ch ph\u00e1t \u00e2m, \u00fd ngh\u0129a c\u1ee7a t\u00ean mi\u1ec1n \u0111\u00f3, c\u0169ng nh\u01b0 m\u1ee9c<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 vi\u1ec7c mua v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n. N\u1ed9i dung bao g\u1ed3m c\u1ea5u tr\u00fac c\u1ee7a t\u00ean mi\u1ec1n, c\u00e1ch ch\u1ecdn ph\u1ea7n m\u1edf r\u1ed9ng, so s\u00e1nh c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt, v\u00e0 qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft \u0111\u1ecba ch\u1ec9 DNS. M\u1ee5c \u0111\u00edch l\u00e0 gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t khi \u0111\u0103ng k\u00fd v\u00e0 s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n, nh\u1eb1m \u0111\u1ea3m b\u1ea3o trang web ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 l\u00e2u d\u00e0i<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[690],"knowledge_category":[279],"class_list":["post-12379548","knowledge_post","type-knowledge_post","status-publish","hentry","tag-domain-name-selection","knowledge_category-domain"],"acf":{"site_seo_keywords":"\u57df\u540d\u6ce8\u518c,\u57df\u540d\u89e3\u6790,\u57df\u540d\u9009\u62e9,\u57df\u540d\u5b89\u5168,DNS\u8bbe\u7f6e,\u8d2d\u4e70\u57df\u540d\u6307\u5357,\u57df\u540d\u540e\u7f00\u9009\u62e9,\u57df\u540d\u7ba1\u7406"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12379548","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\/12379548\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12379548"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12379548"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12379548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}