{"id":12384909,"date":"2026-04-03T04:38:20","date_gmt":"2026-04-02T20:38:20","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e4%bb%8e%e9%9b%b6%e5%88%b0%e4%b8%80%ef%bc%9a%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%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97\/"},"modified":"2026-04-03T04:55:46","modified_gmt":"2026-04-02T20:55:46","slug":"domain-registration-management-dns-guide-12384909","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/domain-registration-management-dns-guide-12384909\/","title":{"rendered":"T\u1eeb con s\u1ed1 kh\u00f4ng \u0111\u1ebfn con s\u1ed1 m\u1ed9t: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3i quy\u1ebft (DNS)"},"content":{"rendered":"

Trong th\u1ebf gi\u1edbi internet, t\u00ean mi\u1ec1n (domain name) l\u00e0 \u0111\u1ecbnh danh duy nh\u1ea5t v\u00e0 c\u1eeda ng\u00f5 truy c\u1eadp v\u00e0o c\u00e1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n. D\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u1ed9t blog c\u00e1 nh\u00e2n, trang web doanh nghi\u1ec7p hay n\u1ec1n t\u1ea3ng th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p v\u00e0 d\u1ec5 nh\u1edb ch\u00ednh l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n cho s\u1ef1 th\u00e0nh c\u00f4ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn, \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n cho \u0111\u1ebfn vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3i quy\u1ebft (resolution) sau n\u00e0y, gi\u00fap b\u1ea1n n\u1eafm v\u1eefng \u0111\u1ea7y \u0111\u1ee7 ki\u1ebfn th\u1ee9c li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n.<\/p>\n\n\n\n

Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 t\u00ean mi\u1ec1n: Hi\u1ec3u r\u00f5 \u201cs\u1ed5 \u0111\u1ecba ch\u1ec9\u201d c\u1ee7a Internet<\/h2>\n\n\n\n

T\u00ean mi\u1ec1n (domain name) v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 Internet d\u1ec5 nh\u1edb, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho c\u00e1c \u0111\u1ecba ch\u1ec9 IP ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f3 ghi nh\u1edb (ch\u1eb3ng h\u1ea1n nh\u01b0 192.0.2.1). N\u00f3 tu\u00e2n theo m\u1ed9t c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p; khi \u0111\u1ecdc t\u1eeb ph\u1ea3i sang tr\u00e1i, m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n trong t\u00ean mi\u1ec1n s\u1ebd gi\u1ea3m d\u1ea7n.<\/p>\n\n\n\n

C\u1ea5u tr\u00fac v\u00e0 th\u00e0nh ph\u1ea7n c\u1ee7a t\u00ean mi\u1ec1n (Domain Name)<\/h3>\n\n\n\n

M\u1ed9t t\u00ean mi\u1ec1n ho\u00e0n ch\u1ec9nh bao g\u1ed3m nhi\u1ec1u ph\u1ea7n \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1eb1ng d\u1ea5u ch\u1ea5m (.). V\u00ed d\u1ee5, trong \u201cwww.example.com\u201d, ph\u1ea7n cu\u1ed1i c\u00f9ng l\u00e0 \u201c.com\u201d \u2013 \u0111\u00e2y l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (Top-Level Domain \u2013 TLD); ph\u1ea7n gi\u1eefa l\u00e0 \u201cexample\u201d \u2013 \u0111\u00e2y l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p hai (th\u01b0\u1eddng l\u00e0 ph\u1ea7n m\u00e0 b\u1ea1n \u0111\u0103ng k\u00fd); v\u00e0 ph\u1ea7n b\u00ean tr\u00e1i c\u00f9ng l\u00e0 \u201cwww\u201d \u2013 \u0111\u00e2y l\u00e0 t\u00ean m\u00e1y ch\u1ee7 (host name). C\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: t\u00ean mi\u1ec1n c\u1ea5p cao ph\u1ed5 th\u00f4ng (gTLD \u2013 nh\u01b0 .com, .net, .org) v\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao theo qu\u1ed1c gia ho\u1eb7c khu v\u1ef1c (ccTLD \u2013 nh\u01b0 .cn, .us, .uk).<\/p>\n\n\n\n

Vai tr\u00f2 c\u1ee7a H\u1ec7 th\u1ed1ng T\u00ean mi\u1ec1n (Domain Name System \u2013 DNS)<\/h3>\n\n\n\n

DNS (Domain Name System) l\u00e0 \u201cs\u1ed5 \u0111i\u1ec7n tho\u1ea1i\u201d c\u1ee7a Internet; ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 chuy\u1ec3n \u0111\u1ed5i c\u00e1c t\u00ean mi\u1ec1n d\u1ec5 \u0111\u1ecdc cho con ng\u01b0\u1eddi (nh\u01b0 google.com) th\u00e0nh \u0111\u1ecba ch\u1ec9 IP m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution). Khi b\u1ea1n nh\u1eadp m\u1ed9t \u0111\u1ecba ch\u1ec9 web v\u00e0o tr\u00ecnh duy\u1ec7t, m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n s\u1ebd g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn c\u00e1c m\u00e1y ch\u1ee7 DNS. Sau m\u1ed9t lo\u1ea1t c\u00e1c thao t\u00e1c truy v\u1ea5n tu\u1ea7n t\u1ef1 (recursion v\u00e0 iteration), m\u00e1y t\u00ednh s\u1ebd t\u00ecm \u0111\u01b0\u1ee3c \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 c\u1ea7n truy c\u1eadp, t\u1eeb \u0111\u00f3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i.<\/p>\n\n\n\n

C\u01a1 quan \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (Domain Name Registry) v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd (Registrar)<\/h3>\n\n\n\n

C\u01a1 quan \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (Domain Registration Authority \u2013 NRA) l\u00e0 t\u1ed5 ch\u1ee9c c\u00f3 th\u1ea9m quy\u1ec1n qu\u1ea3n l\u00fd c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (ch\u1eb3ng h\u1ea1n nh\u01b0 .com), v\u00e0 c\u00f3 tr\u00e1ch nhi\u1ec7m duy tr\u00ec c\u01a1 s\u1edf d\u1eef li\u1ec7u trung t\u00e2m ch\u1ee9a th\u00f4ng tin v\u1ec1 c\u00e1c t\u00ean mi\u1ec1n \u0111\u00f3. C\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (registrars) nh\u01b0 GoDaddy, Namecheap, ho\u1eb7c c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 t\u1ea1i Vi\u1ec7t Nam nh\u01b0 Alibaba Cloud, Tencent Cloud l\u00e0 nh\u1eefng t\u1ed5 ch\u1ee9c \u0111\u01b0\u1ee3c NRA ch\u1ee9ng nh\u1eadn, \u0111\u00f3ng vai tr\u00f2 trung gian trong vi\u1ec7c cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd, gia h\u1ea1n v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n cho c\u00f4ng ch\u00fang. B\u1ea1n mua quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 n\u00e0y, ch\u1ee9 kh\u00f4ng ph\u1ea3i quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n \u0111\u00f3.<\/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

Chi ti\u1ebft quy tr\u00ecnh \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

\u0110\u0103ng k\u00fd m\u1ed9t t\u00ean mi\u1ec1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong h\u00e0nh tr\u00ecnh tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n. M\u1eb7c d\u00f9 qu\u00e1 tr\u00ecnh n\u00e0y kh\u00e1 \u0111\u01a1n gi\u1ea3n, nh\u01b0ng n\u00f3 bao g\u1ed3m nhi\u1ec1u chi ti\u1ebft \u0111\u00e1ng ch\u00fa \u00fd.<\/p>\n\n\n\n

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

Vi\u1ec7c ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n t\u1ed1t l\u00e0 r\u1ea5t quan tr\u1ecdng. 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, v\u00e0 t\u1ed1t nh\u1ea5t l\u00e0 n\u00f3 n\u00ean li\u00ean quan \u0111\u1ebfn th\u01b0\u01a1ng hi\u1ec7u, doanh nghi\u1ec7p ho\u1eb7c danh t\u00ednh c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n. H\u00e3y tr\u00e1nh s\u1eed d\u1ee5ng d\u1ea5u g\u1ea1ch n\u1ed1i, s\u1ed1 ho\u1eb7c c\u00e1c k\u1ebft h\u1ee3p ch\u1eef c\u00e1i d\u1ec5 g\u00e2y nh\u1ea7m l\u1eabn. \u0110\u1ed3ng th\u1eddi, h\u00e3y xem x\u00e9t t\u00ednh m\u1edf r\u1ed9ng c\u1ee7a t\u00ean mi\u1ec1n v\u00e0 ki\u1ec3m tra xem n\u00f3 c\u00f3 tr\u00f9ng v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u \u0111\u00e3 \u0111\u0103ng k\u00fd hi\u1ec7n c\u00f3 hay kh\u00f4ng.<\/p>\n\n\n\n

Truy v\u1ea5n t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a t\u00ean mi\u1ec1n v\u00e0 n\u1ec1n t\u1ea3ng \u0111\u0103ng k\u00fd<\/h3>\n\n\n\n

Sau khi ch\u1ecdn \u0111\u01b0\u1ee3c t\u00ean mi\u1ec1n m\u00e0 b\u1ea1n y\u00eau th\u00edch, b\u1ea1n c\u1ea7n truy c\u1eadp trang web c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 \u201cT\u00ecm ki\u1ebfm t\u00ean mi\u1ec1n\u201d \u0111\u1ec3 ki\u1ec3m tra xem t\u00ean mi\u1ec1n \u0111\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c ai \u0111\u0103ng k\u00fd ch\u01b0a. N\u1ebfu t\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd, nh\u00e0 cung c\u1ea5p th\u01b0\u1eddng s\u1ebd \u0111\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 t\u00ean mi\u1ec1n t\u01b0\u01a1ng t\u1ef1 cho b\u1ea1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p c\u00f3 uy t\u00edn, m\u1ee9c gi\u00e1 minh b\u1ea1ch, giao di\u1ec7n qu\u1ea3n l\u00fd d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng nhanh ch\u00f3ng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n

Ho\u00e0n t\u1ea5t \u0111\u0103ng k\u00fd v\u00e0 \u0111i\u1ec1n th\u00f4ng tin<\/h3>\n\n\n\n

Sau khi t\u00ecm th\u1ea5y t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p, h\u00e3y th\u00eam n\u00f3 v\u00e0o gi\u1ecf h\u00e0ng, ch\u1ecdn th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd (th\u01b0\u1eddng t\u1eeb 1 n\u0103m \u0111\u1ebfn t\u1ed1i \u0111a 10 n\u0103m), sau \u0111\u00f3 ti\u1ebfn h\u00e0nh qu\u00e1 tr\u00ecnh thanh to\u00e1n. B\u1ea1n c\u1ea7n t\u1ea1o m\u1ed9t t\u00e0i kho\u1ea3n v\u00e0 \u0111i\u1ec1n th\u00f4ng tin ng\u01b0\u1eddi \u0111\u0103ng k\u00fd. C\u00f3 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd: th\u00f4ng tin WHOIS. B\u1ea1n ph\u1ea3i cung c\u1ea5p th\u00f4ng tin ch\u00ednh x\u00e1c v\u1ec1 ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb, ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch k\u1ef9 thu\u1eadt v\u00e0 ng\u01b0\u1eddi li\u00ean h\u1ec7 thanh to\u00e1n. Theo quy \u0111\u1ecbnh c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n, nh\u1eefng th\u00f4ng tin n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00f4ng khai, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 \u201cB\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 WHOIS\u201d do nh\u00e0 cung c\u1ea5p t\u00ean mi\u1ec1n cung c\u1ea5p \u0111\u1ec3 \u1ea9n th\u00f4ng tin c\u00e1 nh\u00e2n c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

C\u00e1c thao t\u00e1c c\u1ed1t l\u00f5i trong qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u00e0nh c\u00f4ng, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n (hay c\u00f2n g\u1ecdi l\u00e0 console) do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd cung c\u1ea5p \u0111\u1ec3 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n h\u00e0ng ng\u00e0y.<\/p>\n\n\n\n

Tr\u1ea1ng th\u00e1i t\u00ean mi\u1ec1n v\u00e0 qu\u1ea3n l\u00fd gia h\u1ea1n<\/h3>\n\n\n\n

Trong b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng xem ng\u00e0y \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, ng\u00e0y h\u1ebft h\u1ea1n v\u00e0 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a n\u00f3. H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn ng\u00e0y h\u1ebft h\u1ea1n v\u00e0 \u0111\u1eb7t l\u1ecbch t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n ho\u1eb7c t\u1ef1 th\u1ef1c hi\u1ec7n vi\u1ec7c gia h\u1ea1n tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m \u0111\u00f3 \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng t\u00ean mi\u1ec1n b\u1ecb x\u00f3a do h\u1ebft h\u1ea1n, khi\u1ebfn trang web kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c ho\u1eb7c b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc. Th\u00f4ng th\u01b0\u1eddng, sau khi t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n, n\u00f3 s\u1ebd tr\u1ea3i qua m\u1ed9t kho\u1ea3ng th\u1eddi gian \u00e2n h\u1ea1n v\u00e0 giai \u0111o\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c mua l\u1ea1i; sau \u0111\u00f3 n\u00f3 s\u1ebd b\u1ecb x\u00f3a ho\u00e0n to\u00e0n v\u00e0 m\u1edf c\u1eeda cho vi\u1ec7c \u0111\u0103ng k\u00fd l\u1ea1i.<\/p>\n\n\n\n

Thay \u0111\u1ed5i m\u00e1y ch\u1ee7 DNS v\u00e0 chuy\u1ec3n giao t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

C\u00e1c thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7 DNS quy\u1ebft \u0111\u1ecbnh ai s\u1ebd th\u1ef1c hi\u1ec7n vi\u1ec7c gi\u1ea3i m\u00e3 (\u89e3\u6790) t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u00e1y ch\u1ee7 DNS th\u00e0nh nh\u1eefng m\u00e1y ch\u1ee7 do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef trang web c\u1ee7a m\u00ecnh cung c\u1ea5p, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 DNS chuy\u00ean nghi\u1ec7p c\u1ee7a b\u00ean th\u1ee9 ba (ch\u1eb3ng h\u1ea1n nh\u01b0 Cloudflare DNS, DNSPod). Vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n c\u00f3 ngh\u0129a l\u00e0 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. Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n c\u1ea7n ph\u1ea3i kh\u00f3a t\u00ean mi\u1ec1n c\u1ee7a m\u00ecnh, l\u1ea5y m\u00e3 \u1ee7y quy\u1ec1n chuy\u1ec3n nh\u01b0\u1ee3ng (EPP Code), v\u00e0 sau \u0111\u00f3 th\u1ef1c hi\u1ec7n quy tr\u00ecnh chuy\u1ec3n nh\u01b0\u1ee3ng t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd m\u1edbi.<\/p>\n\n\n\n

Subdomain v\u00e0 Domain Forwarding<\/h3>\n\n\n\n

B\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o v\u00f4 h\u1ea1n c\u00e1c t\u00ean mi\u1ec1n con d\u01b0\u1edbi t\u00ean mi\u1ec1n ch\u00ednh, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201cblog.example.com\u201d ho\u1eb7c \u201cshop.example.com\u201d. Vi\u1ec7c gi\u1ea3i quy\u1ebft v\u00e0 qu\u1ea3n l\u00fd c\u00e1c t\u00ean mi\u1ec1n con th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e0i \u0111\u1eb7t DNS. T\u00ednh n\u0103ng chuy\u1ec3n h\u01b0\u1edbng t\u00ean mi\u1ec1n (hay c\u00f2n g\u1ecdi l\u00e0 chuy\u1ec3n h\u01b0\u1edbng URL) cho ph\u00e9p t\u1ef1 \u0111\u1ed9ng \u0111\u01b0a ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 web kh\u00e1c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, \u0111i\u1ec1u n\u00e0y r\u1ea5t h\u1eefu \u00edch trong vi\u1ec7c b\u1ea3o v\u1ec7 th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c thu h\u00fat l\u01b0u l\u01b0\u1ee3ng t\u1eeb nhi\u1ec1u k\u00eanh kh\u00e1c nhau.<\/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

Th\u1ef1c h\u00e0nh c\u1ea5u h\u00ecnh ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Vi\u1ec7c gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution) l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn t\u00ean mi\u1ec1n \u0111\u1ebfn kh\u00f4ng gian l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 web, v\u00e0 \u0111i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua vi\u1ec7c c\u1ea5u h\u00ecnh c\u00e1c b\u1ea3n ghi DNS (Domain Name System records).<\/p>\n\n\n\n

Gi\u1ea3i th\u00edch c\u00e1c lo\u1ea1i b\u1ea3n ghi DNS c\u1ed1t l\u00f5i<\/h3>\n\n\n\n

B\u1ea3n ghi A: Tr\u1ecf t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4. \u0110\u00e2y l\u00e0 b\u1ea3n ghi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t, v\u00ed d\u1ee5 tr\u1ecf \u201cexample.com\u201d \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n.
\nB\u1ea3n ghi AAAA: Tr\u1ecf t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv6.
\nB\u1ea3n ghi CNAME: B\u1ea3n ghi b\u00ed danh, tr\u1ecf m\u1ed9t t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c. V\u00ed d\u1ee5, tr\u1ecf \u201cwww.example.com\u201d \u0111\u1ebfn \u201cexample.com\u201d, \u0111\u1ec3 c\u1ea3 hai c\u00f3 th\u1ec3 truy c\u1eadp c\u00f9ng m\u1ed9t trang web.
\nMX Record (Mail Exchange Record): \u0110\u00e2y l\u00e0 th\u00f4ng tin d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 nh\u1eadn email. N\u1ebfu b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng email c\u00f3 t\u00ean mi\u1ec1n (v\u00ed d\u1ee5: name@example.com), b\u1ea1n c\u1ea7n ph\u1ea3i c\u1ea5u h\u00ecnh MX Record m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.
\nB\u1ea3n ghi TXT: B\u1ea3n ghi v\u0103n b\u1ea3n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n (nh\u01b0 Google Search Console), c\u00e0i \u0111\u1eb7t SPF ch\u1ed1ng th\u01b0 r\u00e1c, v.v.<\/p>\n\n\n\n

Quy tr\u00ecnh th\u1ef1c hi\u1ec7n vi\u1ec7c ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 th\u1eddi gian hi\u1ec7u l\u1ef1c c\u1ee7a c\u00e1c 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 c\u1eadp nh\u1eadt b\u1ed9 nh\u1edb \u0111\u1ec7m (cache) c\u1ee7a ch\u00fang, v\u00e0 kho\u1ea3ng th\u1eddi gian n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cth\u1eddi gian c\u00f3 hi\u1ec7u l\u1ef1c\u201d (effective time) c\u1ee7a thay \u0111\u1ed5i \u0111\u00f3. Gi\u00e1 tr\u1ecb TTL (Time To Live) quy \u0111\u1ecbnh th\u1eddi l\u01b0\u1ee3ng m\u00e0 b\u1ea3n ghi \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a m\u00e1y ch\u1ee7 DNS. M\u1ed9t gi\u00e1 tr\u1ecb TTL ng\u1eafn (v\u00ed d\u1ee5: 300 gi\u00e2y) gi\u00fap thay \u0111\u1ed5i c\u00f3 hi\u1ec7u l\u1ef1c nhanh h\u01a1n, nh\u01b0ng s\u1ebd l\u00e0m t\u0103ng t\u1ea3i l\u01b0\u1ee3ng truy v\u1ea5n; ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t gi\u00e1 tr\u1ecb TTL d\u00e0i (v\u00ed d\u1ee5: 86400 gi\u00e2y) s\u1ebd gi\u1ea3m l\u01b0\u1ee3ng truy v\u1ea5n, nh\u01b0ng khi\u1ebfn thay \u0111\u1ed5i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ch\u1eadm h\u01a1n. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n nh\u1eefng thay \u0111\u1ed5i quan tr\u1ecdng nh\u01b0 di chuy\u1ec3n m\u00e1y ch\u1ee7, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb TTL xu\u1ed1ng m\u1ee9c th\u1ea5p h\u01a1n \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 tri\u1ec3n khai c\u00e1c thay \u0111\u1ed5i \u0111\u00f3.<\/p>\n\n\n\n

L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 DNS b\u00ean th\u1ee9 ba<\/h3>\n\n\n\n

Ngo\u00e0i vi\u1ec7c s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 DNS \u0111i k\u00e8m v\u1edbi nh\u00e0 cung c\u1ea5p t\u00ean mi\u1ec1n, nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng c\u00f2n l\u1ef1a ch\u1ecdn c\u00e1c d\u1ecbch v\u1ee5 DNS c\u1ee7a b\u00ean th\u1ee9 ba nh\u01b0 Cloudflare, DNSPod, v.v. Nh\u1eefng d\u1ecbch v\u1ee5 n\u00e0y th\u01b0\u1eddng mang l\u1ea1i t\u1ed1c \u0111\u1ed9 gi\u1ea3i quy\u1ebft y\u00eau c\u1ea7u truy c\u1eadp nhanh h\u01a1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n, kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS t\u1ed1t h\u01a1n, c\u00f9ng v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng v\u00e0 b\u1ea3o m\u1eadt phong ph\u00fa h\u01a1n. H\u01a1n n\u1eefa, nhi\u1ec1u d\u1ecbch v\u1ee5 c\u01a1 b\u1ea3n trong s\u1ed1 \u0111\u00f3 \u0111\u01b0\u1ee3c cung c\u1ea5p mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n

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

Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c k\u1ef9 n\u0103ng \u0111\u0103ng k\u00fd, qu\u1ea3n l\u00fd v\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name) l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi m\u1ecdi ch\u1ee7 s\u1edf h\u1eefu trang web. T\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn, th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd th\u00f4ng qua nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady, qu\u1ea3n l\u00fd th\u00f4ng tin li\u00ean h\u1ec7 v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c th\u1ee7 t\u1ee5c gia h\u1ea1n \u0111\u00fang h\u1ea1n, cho \u0111\u1ebfn vi\u1ec7c c\u1ea5u h\u00ecnh c\u00e1c b\u1ea3n ghi DNS m\u1ed9t c\u00e1ch th\u00e0nh th\u1ea1o nh\u1eb1m \u0111\u1ea3m b\u1ea3o truy c\u1eadp v\u00e0o trang web, email v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c, m\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a t\u00e0i s\u1ea3n tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng DNS v\u00e0 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao m\u00e0 c\u00e1c d\u1ecbch v\u1ee5 DNS hi\u1ec7n \u0111\u1ea1i cung c\u1ea5p s\u1ebd gi\u00fap trang web c\u1ee7a b\u1ea1n tr\u1edf n\u00ean nhanh h\u01a1n, an to\u00e0n h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/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

T\u00ean mi\u1ec1n kh\u00f4ng \u0111\u01b0\u1ee3c mua v\u0129nh vi\u1ec5n m\u00e0 \u0111\u01b0\u1ee3c thu\u00ea. \u0110i\u1ec1u b\u1ea1n s\u1edf h\u1eefu ch\u1ec9 l\u00e0 quy\u1ec1n s\u1eed d\u1ee5ng trong th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd. B\u1ea1n c\u1ea7n n\u00e2ng c\u1ea5p (gia h\u1ea1n) \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ti\u1ebfp t\u1ee5c gi\u1eef quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3. N\u1ebfu b\u1ea1n qu\u00ean kh\u00f4ng n\u00e2ng c\u1ea5p, t\u00ean mi\u1ec1n s\u1ebd h\u1ebft h\u1ea1n v\u00e0 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng, \u0111\u1ec3 ng\u01b0\u1eddi kh\u00e1c c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd l\u1ea1i.<\/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
\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t \r\n\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

C\u00f3 c\u1ea7n b\u1eadt ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 (privacy protection) trong d\u1ecbch v\u1ee5 WHOIS kh\u00f4ng?<\/h3>\n\n\n\n

R\u1ea5t c\u1ea7n thi\u1ebft. Sau khi b\u1eadt ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 WHOIS, c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n s\u1ebd thay th\u1ebf th\u00f4ng tin li\u00ean l\u1ea1c c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n (nh\u01b0 t\u00ean, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, \u0111\u1ecba ch\u1ec9, email) b\u1eb1ng th\u00f4ng tin \u0111\u1ea1i di\u1ec7n c\u1ee7a h\u1ecd, nh\u1eb1m b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a b\u1ea1n v\u00e0 gi\u1ea3m nguy c\u01a1 nh\u1eadn th\u01b0 r\u00e1c, cu\u1ed9c g\u1ecdi l\u1eeba \u0111\u1ea3o v\u00e0 vi\u1ec7c b\u1ecb \u0111\u00e1nh c\u1eafp danh t\u00ednh. D\u1ecbch v\u1ee5 n\u00e0y \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 \u0111\u0103ng k\u00fd cung c\u1ea5p mi\u1ec5n ph\u00ed ho\u1eb7c v\u1edbi m\u1ee9c ph\u00ed nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n\n

Sau khi thay \u0111\u1ed5i th\u00f4ng tin gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution), th\u00f4ng tin m\u1edbi s\u1ebd c\u00f3 hi\u1ec7u l\u1ef1c trong bao l\u00e2u?<\/h3>\n\n\n\n

Vi\u1ec7c gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution) c\u00f3 t\u00ednh n\u0103ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u tr\u00ean to\u00e0n c\u1ea7u (global caching), v\u00ec v\u1eady c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn 48 gi\u1edd \u0111\u1ec3 hi\u1ec7u l\u1ef1c ho\u00e0n to\u00e0n tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. Th\u1eddi gian hi\u1ec7u l\u1ef1c ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o gi\u00e1 tr\u1ecb TTL (Time To Live) m\u00e0 b\u1ea1n \u0111\u00e3 thi\u1ebft l\u1eadp, c\u0169ng nh\u01b0 chu k\u1ef3 l\u00e0m m\u1edbi b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) t\u1ea1i c\u00e1c khu v\u1ef1c kh\u00e1c nhau. Sau khi th\u1ef1c hi\u1ec7n thay \u0111\u1ed5i, vui l\u00f2ng ki\u00ean nh\u1eabn ch<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn t\u00ean mi\u1ec1n c\u1ee7a t\u00f4i \u0111\u1ebfn m\u00e1y ch\u1ee7 trang web?<\/h3>\n\n\n\n

B\u1ea1n c\u1ea7n th\u00eam c\u00e1c b\u1ea3n ghi A (A Record) ho\u1eb7c CNAME (Canonical Name Record) cho t\u00ean mi\u1ec1n c\u1ee7a m\u00ecnh. N\u1ebfu m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ecba ch\u1ec9 IPv4 c\u1ed1 \u0111\u1ecbnh, h\u00e3y th\u00eam m\u1ed9t b\u1ea3n ghi A \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c t\u00ean m\u00e1y ch\u1ee7 (ch\u1eb3ng h\u1ea1n nh\u01b0 @ ho\u1eb7c www) \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP \u0111\u00f3. N\u1ebfu nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n m\u1ed9t t\u00ean mi\u1ec1n ph\u1ee5 (alias), h\u00e3y th\u00eam b\u1ea3n ghi CNAME \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn t\u00ean mi\u1ec1n \u0111\u00f3 \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IPv4 th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa t\u00ean mi\u1ec1n (domain name) v\u00e0 m\u00e1y ch\u1ee7 (host) l\u00e0 g\u00ec?<\/h3>\n\n\n\n

T\u00ean mi\u1ec1n l\u00e0 \u0111\u1ecba ch\u1ec9 c\u1ee7a trang web c\u1ee7a b\u1ea1n (t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ecba ch\u1ec9 nh\u00e0 tr\u00ean \u0111\u01b0\u1eddng), trong khi m\u00e1y ch\u1ee7 (hay c\u00f2n g\u1ecdi l\u00e0 m\u00e1y ch\u1ee7 \u1ea3o, m\u00e1y ch\u1ee7 web) l\u00e0 kh\u00f4ng gian v\u1eadt l\u00fd n\u01a1i l\u01b0u tr\u1eef c\u00e1c t\u1ec7p tin, c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u00e1c n\u1ed9i dung kh\u00e1c c\u1ee7a trang web (t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ng\u00f4i nh\u00e0 tr\u00ean m\u1ea3nh \u0111\u1ea5t \u0111\u00f3). B\u1ea1n c\u1ea7n ph\u1ea3i gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 tr\u01b0\u1edbc, \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp v\u00e0o n\u1ed9i dung trang web \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean m\u00e1y ch\u1ee7 th\u00f4ng qua t\u00ean mi\u1ec1n \u0111\u00f3.<\/p>","protected":false},"excerpt":{"rendered":"

\u0110\u00e2y l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 t\u00ean mi\u1ec1n (domain names), cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n, c\u1ea5u tr\u00fac c\u1ee7a t\u00ean mi\u1ec1n v\u00e0 vai tr\u00f2 c\u1ee7a h\u1ec7 th\u1ed1ng DNS. B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng to\u00e0n b\u1ed9 quy tr\u00ecnh t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn, t\u00ecm ki\u1ebfm \u0111\u1ebfn \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, c\u0169ng nh\u01b0 c\u00e1c thao t\u00e1c th\u1ef1c t\u1ebf sau \u0111\u00f3 nh\u01b0 qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i t\u00ean mi\u1ec1n, thay \u0111\u1ed5i m\u00e1y ch\u1ee7 DNS v\u00e0 c\u1ea5u h\u00ecnh c\u00e1c b\u1ea3n ghi gi\u1ea3i m\u00e3 (resolution records). Nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc n\u1eafm v\u1eefng to\u00e0n di\u1ec7n c\u00e1ch \u0111\u0103ng k\u00fd v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n t\u1eeb \u0111\u1ea7u.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[],"knowledge_category":[279],"class_list":["post-12384909","knowledge_post","type-knowledge_post","status-publish","hentry","knowledge_category-domain"],"acf":{"site_seo_keywords":"\u57df\u540d\u6ce8\u518c,\u57df\u540d\u7ba1\u7406,\u57df\u540d\u89e3\u6790,DNS\u914d\u7f6e,\u57df\u540d\u9009\u62e9,\u57df\u540d\u7cfb\u7edf,\u5982\u4f55\u6ce8\u518c\u57df\u540d,\u57df\u540d\u89e3\u6790\u5b9e\u6218\u6307\u5357"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12384909","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\/12384909\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12384909"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12384909"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12384909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}