{"id":12366772,"date":"2026-03-13T23:18:09","date_gmt":"2026-03-13T15:18:09","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e4%bb%8e%e9%9b%b6%e5%bc%80%e5%a7%8b%ef%bc%9a%e5%bd%bb%e5%ba%95%e7%90%86%e8%a7%a3%e5%9f%9f%e5%90%8d%e6%b3%a8%e5%86%8c%e3%80%81%e8%a7%a3%e6%9e%90%e4%b8%8e%e7%ae%a1%e7%90%86%e7%9a%84%e6%a0%b8%e5%bf%83\/"},"modified":"2026-03-13T23:48:52","modified_gmt":"2026-03-13T15:48:52","slug":"domain-registration-dns-management-complete-guide-12366772","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/domain-registration-dns-management-complete-guide-12366772\/","title":{"rendered":"B\u1eaft \u0111\u1ea7u t\u1eeb con s\u1ed1 kh\u00f4ng: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i li\u00ean quan \u0111\u1ebfn \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, gi\u1ea3i quy\u1ebft v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n"},"content":{"rendered":"

T\u00ean mi\u1ec1n (domain name) l\u00e0 g\u00ec? N\u00f3 ch\u00ednh l\u00e0 \u201cs\u1ed1 nh\u00e0\u201d trong th\u1ebf gi\u1edbi internet.\u201d<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o vi\u1ec7c \u0111\u0103ng k\u00fd, gi\u1ea3i m\u00e3 v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n, ch\u00fang ta c\u1ea7n l\u00e0m r\u00f5 m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u01a1 b\u1ea3n: T\u00ean mi\u1ec1n th\u1ef1c s\u1ef1 l\u00e0 g\u00ec? T\u1eeb g\u00f3c \u0111\u1ed9 k\u1ef9 thu\u1eadt, t\u00ean mi\u1ec1n l\u00e0 t\u00ean c\u1ee7a m\u1ed9t m\u00e1y t\u00ednh ho\u1eb7c m\u1ed9t nh\u00f3m m\u00e1y t\u00ednh tr\u00ean Internet, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111i\u1ec7n t\u1eed c\u1ee7a m\u00e1y t\u00ednh \u0111\u00f3 trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u. N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb m\u1ed9t ho\u1eb7c nhi\u1ec1u ph\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n c\u00e1ch b\u1eb1ng d\u1ea5u ch\u1ea5m; ph\u1ea7n n\u1eb1m b\u00ean ph\u1ea3i c\u00f9ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (top-level domain), v\u00ed d\u1ee5 nh\u01b0\u2026 .com<\/code>\u3001.cn<\/code>\u3001.net<\/code> v.v.<\/p>\n\n\n\n

N\u1ebfu ch\u00fang ta so s\u00e1nh Internet v\u1edbi m\u1ed9t th\u00e0nh ph\u1ed1 k\u1ef9 thu\u1eadt s\u1ed1 kh\u1ed5ng l\u1ed3, th\u00ec m\u1ed7i m\u00e1y ch\u1ee7 (n\u01a1i l\u01b0u tr\u1eef c\u00e1c trang web) \u0111\u1ec1u c\u00f3 m\u1ed9t \u0111\u1ecba ch\u1ec9 s\u1ed1 duy nh\u1ea5t, \u0111\u00f3 l\u00e0 \u0111\u1ecba ch\u1ec9 IP, gi\u1ed1ng nh\u01b0 t\u1ecda \u0111\u1ed9 \u0111\u1ed9 d\u00e0i v\u00e0 \u0111\u1ed9 r\u1ed9ng ch\u00ednh x\u00e1c. Tuy nhi\u00ean, vi\u1ec7c \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng nh\u1edb nh\u1eefng \u0111\u1ecba ch\u1ec9 IP n\u00e0y th\u01b0\u1eddng kh\u00e1 kh\u00f3\u2026 192.0.2.1<\/code> M\u1ed9t chu\u1ed7i s\u1ed1 ph\u1ee9c t\u1ea1p nh\u01b0 v\u1eady th\u1ef1c s\u1ef1 r\u1ea5t kh\u00f3 \u0111\u1ec3 hi\u1ec3u v\u00e0 x\u1eed l\u00fd. Ch\u1ee9c n\u0103ng c\u1ee7a t\u00ean mi\u1ec1n (domain name) ch\u00ednh l\u00e0 chuy\u1ec3n \u0111\u1ed5i nh\u1eefng \u0111\u1ecba ch\u1ec9 s\u1ed1 d\u1ea1ng \u201cth\u00e2n thi\u1ec7n v\u1edbi m\u00e1y t\u00ednh\u201d n\u00e0y th\u00e0nh nh\u1eefng t\u00ean c\u00f3 d\u1ea1ng k\u00fd t\u1ef1 d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 nh\u1edb h\u01a1n \u0111\u1ed1i v\u1edbi con ng\u01b0\u1eddi, v\u00ed d\u1ee5 nh\u01b0\u2026 baidu.com<\/code>Do \u0111\u00f3, t\u00ean mi\u1ec1n v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng, v\u00e0 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n v\u00f4 c\u00f9ng quan tr\u1ecdng trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a Internet.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (Domain Name System \u2013 DNS) s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac d\u1ea1ng c\u00e2y c\u00f3 c\u1ea5p \u0111\u1ed9. Khi \u0111\u1ecdc t\u1eeb ph\u1ea3i sang tr\u00e1i, c\u00e1c t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh c\u00e1c c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau. T\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (top-level domain \u2013 TLD) thu\u1ed9c c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t v\u00e0 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: t\u00ean mi\u1ec1n c\u1ea5p cao ph\u1ed5 th\u00f4ng (generic top-level domains \u2013 gTLD) v\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao qu\u1ed1c gia\/c\u1ea5p v\u00f9ng (country-code top-level domains \u2013 cc .com<\/code>(T\u1ed5 ch\u1ee9c th\u01b0\u01a1ng m\u1ea1i),.org<\/code>(T\u1ed5 ch\u1ee9c phi l\u1ee3i nhu\u1eadn),.net<\/code>(C\u00e1c t\u1ed5 ch\u1ee9c cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng), v.v.; c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao qu\u1ed1c gia v\u00e0 khu v\u1ef1c nh\u01b0\u2026 .cn<\/code>(Trung Qu\u1ed1c),.us<\/code>(Hoa K\u1ef3),.jp<\/code>(T\u1ea1i Nh\u1eadt B\u1ea3n), v.v. D\u01b0\u1edbi t\u00ean mi\u1ec1n c\u1ea5p cao l\u00e0 c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p hai, \u0111\u00e2y th\u01b0\u1eddng l\u00e0 ph\u1ea7n m\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng k\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0\u2026 baidu<\/code>N\u1ebfu ti\u1ebfp t\u1ee5c di chuy\u1ec3n v\u1ec1 ph\u00eda b\u00ean tr\u00e1i, c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p ba, c\u1ea5p b\u1ed1n; ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00ean mi\u1ec1n con (subdomains). V\u00ed d\u1ee5: news.baidu.com<\/code> trong news<\/code>\u3002<\/p>\n\n\n\n

Vi\u1ec7c hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac c\u1ee7a t\u00ean mi\u1ec1n l\u00e0 n\u1ec1n t\u1ea3ng cho t\u1ea5t c\u1ea3 c\u00e1c thao t\u00e1c ti\u1ebfp theo. T\u00ean mi\u1ec1n kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9, m\u00e0 c\u00f2n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c x\u00e2y d\u1ef1ng th\u01b0\u01a1ng hi\u1ec7u tr\u00ean internet v\u00e0 th\u1ec3 hi\u1ec7n uy t\u00edn chuy\u00ean nghi\u1ec7p c\u1ee7a doanh nghi\u1ec7p. M\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p v\u00e0 d\u1ec5 nh\u1edb ch\u00ednh l\u00e0 t\u00e0i s\u1ea3n s\u1ed1 qu\u00fd gi\u00e1 \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 doanh nghi\u1ec7p tr\u1ef1c tuy\u1ebfn n\u00e0o.<\/p>\n\n\n\n

Ph\u00e2n t\u00edch to\u00e0n b\u1ed9 quy tr\u00ecnh \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Sau khi \u0111\u00e3 hi\u1ec3u r\u00f5 \u0111\u1ecbnh ngh\u0129a c\u1ee7a t\u00ean mi\u1ec1n, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 s\u1edf h\u1eefu m\u1ed9t t\u00ean mi\u1ec1n ri\u00eang cho m\u00ecnh. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n. Vi\u1ec7c \u0111\u0103ng k\u00fd kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 mua quy\u1ec1n s\u1edf h\u1eefu tr\u1ef1c ti\u1ebfp t\u1eeb m\u1ed9t t\u1ed5 ch\u1ee9c trung \u01b0\u01a1ng n\u00e0o \u0111\u00f3, m\u00e0 l\u00e0 \u201ccho thu\u00ea\u201d quy\u1ec1n s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n \u0111\u00f3 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh.<\/p>\n\n\n

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\n \u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n hosting.com<\/strong>\n
Th\u00f4ng qua g\u00f3i l\u01b0u tr\u1eef chia s\u1ebb h\u00e0ng n\u0103m, nh\u1eadn t\u00ean mi\u1ec1n .com mi\u1ec5n ph\u00ed trong m\u1ed9t n\u0103m, h\u1ed7 tr\u1ee3 300+ h\u1eadu t\u1ed1 t\u00ean mi\u1ec1n, qu\u1ea3n l\u00fd DNS mi\u1ec5n ph\u00ed, h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng 24\/7<\/div>\n <\/div>\n\n
\n \n \n \"\u0110\u0103ng\n \n \n <\/a>\n \n \n Truy c\u1eadp hosting.com <\/a>\n <\/div>\n <\/div>\n\n \n\n\n\n\n\n\n

L\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn b\u1edfi ICANN. Tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, c\u00f3 h\u00e0ng ng\u00e0n nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u1edbi quy m\u00f4 v\u00e0 d\u1ecbch v\u1ee5 \u0111a d\u1ea1ng. Khi l\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd, b\u1ea1n n\u00ean xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 uy t\u00edn c\u1ee7a h\u1ecd, t\u00ednh minh b\u1ea1ch v\u1ec1 gi\u00e1 c\u1ea3, s\u1ef1 d\u1ec5 d\u00e0ng khi s\u1eed d\u1ee5ng giao di\u1ec7n qu\u1ea3n tr\u1ecb, ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng, v\u00e0 li\u1ec7u h\u1ecd c\u00f3 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 mi\u1ec5n ph\u00ed hay kh\u00f4ng. M\u1ed9t s\u1ed1 nh\u00e0 \u0111\u0103ng k\u00fd n\u1ed5i ti\u1ebfng bao g\u1ed3m GoDaddy, Namecheap, Alibaba Cloud, Tencent Cloud, v.v. Ng\u01b0\u1eddi d\u00f9ng trong n\u01b0\u1edbc c\u0169ng c\u1ea7n l\u01b0u \u00fd xem nh\u00e0 \u0111\u0103ng k\u00fd \u0111\u00f3 c\u00f3 \u0111\u1ee7 gi\u1ea5y ph\u00e9p h\u1ee3p ph\u00e1p t\u1eeb B\u1ed9 C\u00f4ng nghi\u1ec7p v\u00e0 Th\u00f4ng tin Trung Qu\u1ed1c hay kh\u00f4ng, \u0111\u1ec3 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u1ee7 t\u1ee5c \u0111\u0103ng k\u00fd trang web sau n\u00e0y.<\/p>\n\n\n\n

Truy v\u1ea5n v\u00e0 x\u00e1c nh\u1eadn t\u00ean mi\u1ec1n (Domain Name)<\/h3>\n\n\n\n

Tr\u00ean trang web c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm t\u00ean mi\u1ec1n \u0111\u1ec3 nh\u1eadp t\u00ean mi\u1ec1n m\u00e0 b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng. H\u1ec7 th\u1ed1ng s\u1ebd hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i s\u1eb5n c\u00f3 c\u1ee7a n\u00f3. N\u1ebfu t\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd, nh\u00e0 \u0111\u0103ng k\u00fd th\u01b0\u1eddng s\u1ebd \u0111\u01b0a ra g\u1ee3i \u00fd v\u1ec1 c\u00e1c t\u00ean mi\u1ec1n t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c c\u00e1c l\u1ef1a ch\u1ecdn v\u1ec1 lo\u1ea1i t\u00ean mi\u1ec1n (top-level domain \u2013 TLD) kh\u00e1c. Vi\u1ec7c ch\u1ecdn t\u00ean mi\u1ec1n l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng; m\u1ed9t t\u00ean mi\u1ec1n l\u00fd t\u01b0\u1edfng n\u00ean c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m sau: ng\u1eafn g\u1ecdn, d\u1ec5 nh\u1edb, li\u00ean quan m\u1eadt thi\u1ebft \u0111\u1ebfn th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng kinh doanh, d\u1ec5 \u0111\u00e1nh v\u1ea7n v\u00e0 ph\u00e1t \u00e2m, v\u00e0 n\u00ean tr\u00e1nh s\u1eed d\u1ee5ng d\u1ea5u g\u1ea1ch n\u1ed1i ho\u1eb7c ch\u1eef s\u1ed1. \u0110\u1ed3ng th\u1eddi, b\u1ea1n c\u0169ng c\u1ea7n xem x\u00e9t \u0111\u1ebfn th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau \u0111\u1ec3 ch\u1ecdn lo\u1ea1i t\u00ean mi<\/p>\n\n\n\n

Ho\u00e0n t\u1ea5t \u0111\u0103ng k\u00fd v\u00e0 thanh to\u00e1n.<\/h3>\n\n\n\n

Sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u00ean mi\u1ec1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng, h\u00e3y th\u00eam n\u00f3 v\u00e0o gi\u1ecf mua s\u1eafm. Khi \u0111\u0103ng k\u00fd, b\u1ea1n c\u1ea7n cung c\u1ea5p th\u00f4ng tin \u0111\u0103ng k\u00fd ch\u00ednh x\u00e1c c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng, bao g\u1ed3m t\u00ean, \u0111\u1ecba ch\u1ec9, email, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, v.v.; nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u01a1 s\u1edf d\u1eef li\u1ec7u WHOIS c\u00f4ng khai. Theo quy \u0111\u1ecbnh c\u1ee7a ICANN, vi\u1ec7c cung c\u1ea5p th\u00f4ng tin gi\u1ea3 m\u1ea1o c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u00ean mi\u1ec1n b\u1ecb t\u1ea1m ng\u1eebng ho\u1eb7c x\u00f3a. Ti\u1ebfp theo, h\u00e3y ch\u1ecdn th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd (th\u01b0\u1eddng t\u1eeb 1 \u0111\u1ebfn 10 n\u0103m) v\u00e0 thanh to\u00e1n ph\u00ed t\u01b0\u01a1ng \u1ee9ng. Sau khi thanh to\u00e1n 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. H\u00e3y l\u01b0u tr\u1eef c\u1ea9n th\u1eadn email x\u00e1c nh\u1eadn v\u00e0 th\u00f4ng tin t\u00e0i kho\u1ea3n m\u00e0 nh\u00e0 cung c\u1ea5p t\u00ean mi\u1ec1n g\u1eedi cho b\u1ea1n.<\/p>\n\n\n\n

B\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Th\u00f4ng tin WHOIS m\u1eb7c \u0111\u1ecbnh l\u00e0 c\u00f4ng khai, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c r\u00f2 r\u1ec9 th\u00f4ng tin c\u00e1 nh\u00e2n, g\u00e2y ra c\u00e1c email ti\u1ebfp th\u1ecb, cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i, th\u1eadm ch\u00ed l\u00e0 h\u00e0nh vi l\u1eeba \u0111\u1ea3o. Do \u0111\u00f3, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean b\u1eadt d\u1ecbch v\u1ee5 \u201cB\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 t\u00ean mi\u1ec1n\u201d (Domain Privacy Protection). 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 ho\u1eb7c c\u00f4ng ty \u0111\u1ea1i l\u00fd, nh\u1eb1m b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a b\u1ea1n. Nhi\u1ec1u nh\u00e0 \u0111\u0103ng k\u00fd cung c\u1ea5p d\u1ecbch v\u1ee5 n\u00e0y v\u1edbi m\u1ee9c ph\u00ed, nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 n\u01a1i cung c\u1ea5p d\u1ecbch v\u1ee5 mi\u1ec5n ph\u00ed.<\/p>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 t\u00ean mi\u1ec1n: C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a DNS<\/h2>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, khi ng\u01b0\u1eddi truy c\u1eadp nh\u1eadp t\u00ean mi\u1ec1n \u0111\u00f3, h\u1ecd s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1ebfn m\u00e1y ch\u1ee7 ph\u00f9 h\u1ee3p nh\u1edd v\u00e0o h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (Domain Name System \u2013 DNS). Qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution) ch\u00ednh l\u00e0 vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng, v\u00e0 \u0111\u00e2y l\u00e0 d\u1ecbch v\u1ee5 c\u01a1 b\u1ea3n gi\u00fap Internet ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch tr\u01a1n tru.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch DNS theo c\u1ea5p \u0111\u1ed9 (Hierarchical DNS Resolution)<\/h3>\n\n\n\n

Qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 DNS (Domain Name System) l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh truy v\u1ea5n theo c\u1ea5u tr\u00fac ph\u00e2n t\u1ea7ng. Khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp m\u1ed9t \u0111\u1ecba ch\u1ec9 web v\u00e0o tr\u00ecnh duy\u1ec7t, vi\u1ec7c gi\u1ea3i m\u00e3 kh\u00f4ng di\u1ec5n ra ngay l\u1eadp t\u1ee9c. \u0110\u1ea7u ti\u00ean, m\u00e1y t\u00ednh s\u1ebd ki\u1ec3m tra xem li\u1ec7u c\u00f3 b\u1ea3n ghi t\u01b0\u01a1ng \u1ee9ng trong b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u1ee5c b\u1ed9 hay kh\u00f4ng; n\u1ebfu kh\u00f4ng, n\u00f3 s\u1ebd g\u1eedi y\u00eau c\u1ea7u truy v\u1ea5n \u0111\u1ebfn m\u00e1y ch\u1ee7 DNS tu\u1ea7n ho\u00e0n (recursive DNS server) \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1edfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet. N\u1ebfu m\u00e1y ch\u1ee7 DNS tu\u1ea7n ho\u00e0n kh\u00f4ng t\u00ecm th\u1ea5y th\u00f4ng tin c\u1ea7n thi\u1ebft, n\u00f3 s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c l\u1ea7n truy v\u1ea5n t\u1eeb g\u1ed1c c\u1ee7a c\u00e2y DNS. M\u00e1y ch\u1ee7 n\u00e0y s\u1ebd l\u1ea7n l\u01b0\u1ee3t li\u00ean h\u1ec7 v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n g\u1ed1c (root domain servers), m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n c\u1ea5p cao (top-level domain servers), v\u00e0 c\u00e1c m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n ch\u00ednh th\u1ee9c (authoritative domain servers) \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u00ean m\u00e1y ch\u1ee7 m\u1ee5c ti\u00eau. Sau khi nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3, n\u00f3 s\u1ebd tr\u1ea3 v\u1ec1 th\u00f4ng tin cho tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 \u0111\u1ed3ng th\u1eddi l\u01b0u tr\u1eef b\u1ea3n ghi \u0111\u00f3 v\u00e0o b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ec3 s\u1eed d\u1ee5ng trong l\u1ea7n ti\u1ebfp theo.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong v\u00f2ng v\u00e0i miligi\u00e2y v\u00e0 ho\u00e0n to\u00e0n kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng. Tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, ch\u1ec9 c\u00f3 13 nh\u00f3m m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n g\u1ed1c (root domain servers), \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng DNS. C\u00e1c m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n ch\u00ednh th\u1ee9c (authoritative domain servers) \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n ho\u1eb7c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef, v\u00e0 ch\u00fang l\u01b0u tr\u1eef nh\u1eefng th\u00f4ng tin DNS ch\u00ednh x\u00e1c nh\u1ea5t li\u00ean quan \u0111\u1ebfn t\u1eebng t\u00ean<\/p>\n\n\n\n

Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i b\u1ea3n ghi DNS c\u1ed1t l\u00f5i<\/h3>\n\n\n\n

Tr\u00ean c\u00e1c m\u00e1y ch\u1ee7 DNS ch\u00ednh th\u1ee9c (authoritative DNS servers) c\u1ee7a t\u00ean mi\u1ec1n, ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t c\u00e1ch th\u1ee9c t\u00ean mi\u1ec1n ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp c\u00e1c lo\u1ea1i b\u1ea3n ghi (records) kh\u00e1c nhau. C\u00e1c lo\u1ea1i b\u1ea3n ghi ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m:
\n\u2013 Lo\u1ea1i ghi ch\u00e9p A (Type A record): \u0110\u00e2y l\u00e0 lo\u1ea1i ghi ch\u00e9p c\u01a1 b\u1ea3n nh\u1ea5t, d\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n (domain name) \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IP lo\u1ea1i IPv4. V\u00ed d\u1ee5: www.example.com<\/code> \u0111\u1ebfn 192.0.2.1<\/code>\u3002
\n\u2013 B\u1ea3n ghi AAAA: T\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ea3n ghi A, nh\u01b0ng n\u00f3 tr\u1ecf \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IPv6.
\n\u2013 CNAME (Canonical Name) record: \u0110\u00e2y l\u00e0 lo\u1ea1i b\u1ea3n ghi cho ph\u00e9p b\u1ea1n \u0111\u1ecbnh tuy\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n (domain name) \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c, thay v\u00ec \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IP. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng CNAME \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn \u201cwww.example.com\u201d \u0111\u1ebfn \u201csubdomain.example.com\u201d. blog.example.com<\/code> CNAME sang myblog.hosting.com<\/code>Nh\u01b0 v\u1eady, khi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ph\u1ea7n sau thay \u0111\u1ed5i, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i c\u1eadp nh\u1eadt th\u00f4ng tin trong ph\u1ea7n tr\u01b0\u1edbc.
\n\u2013 MX (Mail Exchange) record: D\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 email ch\u1ecbu tr\u00e1ch nhi\u1ec7m nh\u1eadn th\u01b0 cho t\u00ean mi\u1ec1n \u0111\u00f3. Thu\u1ed9c t\u00ednh \u01b0u ti\u00ean (priority) cho ph\u00e9p thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7 email ch\u00ednh (primary) v\u00e0 m\u00e1y ch\u1ee7 d\u1ef1 ph\u00f2ng (secondary).
\n\u2013 TXT record: \u0110\u00e2y l\u00e0 lo\u1ea1i b\u1ea3n ghi v\u0103n b\u1ea3n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c th\u1ef1c quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n, thi\u1ebft l\u1eadp ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt email, v\u00e0 c\u1ea5u h\u00ecnh c\u00e1c t\u00ednh n\u0103ng kh\u00e1c.
\n\u2013 NS (Name Server) ghi ch\u00e9p: X\u00e1c \u0111\u1ecbnh c\u00e1c m\u00e1y ch\u1ee7 DNS ch\u00ednh th\u1ee9c (authority DNS servers) ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n \u0111\u00f3. Th\u00f4ng th\u01b0\u1eddng, th\u00f4ng tin n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp t\u1ea1i nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (domain registrar), v\u00e0 quy\u1ec1n gi\u1ea3i quy\u1ebft c\u00e1c y\u00eau c\u1ea7u truy c\u1eadp (resolution requests) \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n cho nh\u00e0 cung c<\/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

TTL (Time To Live): Th\u1eddi gian t\u1ed3n t\u1ea1i c\u1ee7a m\u1ed9t th\u00f4ng \u0111i\u1ec7p ho\u1eb7c ph\u1ea7n t\u1eed d\u1eef li\u1ec7u tr\u00ean m\u1ea1ng.<\/h3>\n\n\n\n

M\u1ed7i b\u1ea3n ghi DNS \u0111\u1ec1u c\u00f3 m\u1ed9t gi\u00e1 tr\u1ecb TTL, \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng gi\u00e2y. Gi\u00e1 tr\u1ecb n\u00e0y th\u00f4ng b\u00e1o cho c\u00e1c m\u00e1y ch\u1ee7 \u0111\u1ec7 quy (recursive servers) kho\u1ea3ng th\u1eddi gian m\u00e0 b\u1ea3n ghi \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a ch\u00fang. M\u1ed9t gi\u00e1 tr\u1ecb TTL ng\u1eafn (v\u00ed d\u1ee5: 300 gi\u00e2y) c\u00f3 ngh\u0129a l\u00e0 nh\u1eefng thay \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhanh ch\u00f3ng tr\u00ean to\u00e0n c\u1ea7u, 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\u00fap gi\u1ea3m b\u1edbt \u00e1p l\u1ef1c truy v\u1ea5n, nh\u01b0ng vi\u1ec7c truy\u1ec1n t\u1ea3i c\u00e1c thay \u0111\u1ed5i s\u1ebd di\u1ec5n ra ch\u1eadm h\u01a1n. Vi\u1ec7c thi\u1ebft l\u1eadp gi\u00e1 tr\u1ecb TTL m\u1ed9t c\u00e1ch linh ho\u1ea1t theo nhu c\u1ea7u l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng trong qu\u1ea3n l\u00fd DNS.<\/p>\n\n\n\n

C\u00e1c thao t\u00e1c n\u00e2ng cao v\u00e0 th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t trong qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Sau khi thu\u00ea \u0111\u01b0\u1ee3c t\u00ean mi\u1ec1n v\u00e0 ho\u00e0n t\u1ea5t c\u00e1c b\u01b0\u1edbc gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP, vi\u1ec7c qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3.<\/p>\n\n\n\n

Qu\u1ea3n l\u00fd tr\u1ea1ng th\u00e1i v\u00e0 v\u00f2ng \u0111\u1eddi t\u00ean mi\u1ec1n (Domain Name Status and Lifecycle Management)<\/h3>\n\n\n\n

T\u00ean mi\u1ec1n kh\u00f4ng ph\u1ea3i l\u00e0 t\u00e0i s\u1ea3n c\u00f3 th\u1ec3 s\u1edf h\u1eefu v\u0129nh vi\u1ec5n; n\u00f3 c\u00f3 m\u1ed9t v\u00f2ng \u0111\u1eddi r\u00f5 r\u00e0ng. C\u00e1c tr\u1ea1ng th\u00e1i ph\u1ed5 bi\u1ebfn c\u1ee7a t\u00ean mi\u1ec1n bao g\u1ed3m: ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, b\u1ecb kh\u00f3a b\u1edfi ng\u01b0\u1eddi \u0111\u0103ng k\u00fd, b\u1ecb kh\u00f3a b\u1edfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd, trong th\u1eddi gian ho\u00e0n l\u1ea1i, \u0111ang ch\u1edd x\u00f3a, v.v. B\u1ea1n c\u1ea7n n\u00e2ng c\u1ea5p g\u00f3i \u0111\u0103ng k\u00fd k\u1ecbp th\u1eddi tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n \u0111\u1ec3 tr\u00e1nh ph\u1ea3i tr\u1ea3 m\u1ee9c ph\u00ed ho\u00e0n l\u1ea1i cao ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 m\u1ea5t t\u00ean mi\u1ec1n do n\u00f3 b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean b\u1eadt t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng n\u00e2ng c\u1ea5p v\u00e0 \u0111\u1eb7t th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd \u00edt nh\u1ea5t l\u00e0 2 n\u0103m \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 qu\u00ean m\u1ea5t th\u00f4ng tin. \u0110\u1ed3ng th\u1eddi, h\u00e3y ki\u1ec3m tra email \u0111\u0103ng k\u00fd th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng b\u00e1o quan tr\u1ecdng t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd<\/p>\n\n\n\n

DNS (Domain Name System) l\u01b0u tr\u1eef v\u00e0 b\u1ea3o v\u1ec7 an ninh<\/h3>\n\n\n\n

Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng ch\u1ecdn c\u00e1ch g\u1eedi vi\u1ec7c gi\u1ea3i quy\u1ebft DNS (Domain Name System) c\u1ee7a t\u00ean mi\u1ec1n cho c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y chuy\u00ean nghi\u1ec7p h\u01a1n, nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 gi\u1ea3i quy\u1ebft nhanh h\u01a1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng qu\u1ea3n l\u00fd h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i thay \u0111\u1ed5i th\u00f4ng tin NS (Name Server) c\u1ee7a t\u00ean mi\u1ec1n t\u1eeb nh\u00e0 \u0111\u0103ng k\u00fd th\u00e0nh \u0111\u1ecba ch\u1ec9 do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y
\nAn ninh DNS c\u0169ng v\u00f4 c\u00f9ng quan tr\u1ecdng. C\u00e1c m\u1ed1i \u0111e d\u1ecda nh\u01b0 t\u1ea5n c\u00f4ng gi\u1ea3 m\u1ea1o DNS (DNS hijacking) v\u00e0 t\u1ea5n c\u00f4ng DDoS li\u00ean t\u1ee5c xu\u1ea5t hi\u1ec7n. N\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 DNS h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 DNSSEC, nh\u1eb1m cung c\u1ea5p ch\u1eef k\u00fd s\u1ed1 cho c\u00e1c b\u1ea3n ghi DNS v\u00e0 ng\u0103n ch\u1eb7n vi\u1ec7c d\u1eef li\u1ec7u b\u1ecb s\u1eeda \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i. \u0110\u1ed3ng th\u1eddi, c\u1ea7n th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra l\u1ea1i c\u00e1c b\u1ea3n ghi DNS, lo\u1ea1i b\u1ecf nh\u1eefng m\u1ee5c kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 b\u1ecb t\u1ea5n c\u00f4ng.<\/p>\n\n\n\n

Chuy\u1ec3n giao v\u00e0 giao d\u1ecbch t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: chuy\u1ec3n nh\u01b0\u1ee3ng gi\u1eefa c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd (registrar) v\u00e0 chuy\u1ec3n nh\u01b0\u1ee3ng gi\u1eefa c\u00e1c t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng. \u0110\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng gi\u1eefa c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd, t\u00ean mi\u1ec1n ph\u1ea3i \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd trong v\u00f2ng \u00edt nh\u1ea5t 60 ng\u00e0y, kh\u00f4ng \u0111ang trong tr\u1ea1ng th\u00e1i b\u1ecb kh\u00f3a, v\u00e0 ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i s\u1edf h\u1eefu m\u00e3 x\u00e1c th\u1ef1c (authorization code) h\u1ee3p l\u1ec7. Thao t\u00e1c n\u00e0y kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft
\nT\u00ean mi\u1ec1n, v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t t\u00e0i s\u1ea3n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c giao d\u1ecbch tr\u00ean th\u1ecb tr\u01b0\u1eddng. Khi th\u1ef1c hi\u1ec7n giao d\u1ecbch, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb trung gian ho\u1eb7c n\u1ec1n t\u1ea3ng th\u1ee9 ba c\u00f3 uy t\u00edn \u0111\u1ec3 qu\u1ea3n l\u00fd ti\u1ec1n giao d\u1ecbch. Sau khi giao d\u1ecbch ho\u00e0n t\u1ea5t, h\u00e3y ngay l\u1eadp t\u1ee9c th\u1ef1c hi\u1ec7n thao t\u00e1c chuy\u1ec3n th\u00f4ng tin t\u00e0i kho\u1ea3n t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd (registrar) \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00f4ng tin ng\u01b0\u1eddi \u0111\u0103ng k\u00fd, \u0111\u1ea3m b\u1ea3o quy\u1ec1n s\u1edf h\u1eefu \u0111\u01b0\u1ee3c chuy\u1ec3n nh\u01b0\u1ee3ng m\u1ed9t c\u00e1ch su\u00f4n s\u1ebb.<\/p>\n\n\n\n

B\u1ea3o v\u1ec7 v\u00e0 chi\u1ebfn l\u01b0\u1ee3c th\u01b0\u01a1ng hi\u1ec7u<\/h3>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p, t\u00ean mi\u1ec1n ch\u00ednh l\u00e0 \u201cl\u00ednh ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean\u201d c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1. C\u1ea7n xem x\u00e9t vi\u1ec7c \u0111\u0103ng k\u00fd c\u00e1c bi\u1ebfn th\u1ec3 ch\u00ednh c\u1ee7a t\u00ean th\u01b0\u01a1ng hi\u1ec7u, c\u00e1c ph\u1ea7n t\u1eed k\u1ebft th\u00fac ph\u1ed5 bi\u1ebfn, th\u1eadm ch\u00ed c\u1ea3 nh\u1eefng t\u00ean mi\u1ec1n d\u1ec5 b\u1ecb nh\u1ea7m l\u1eabn do l\u1ed7i \u0111\u00e1nh m\u00e1y (typo), \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00fang m\u1ed9t c\u00e1ch th\u1ed1ng nh\u1ea5t v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c trang web gi\u1ea3 m\u1ea1o ho\u1eb7c l\u1eeba \u0111\u1ea3o. H\u00e3y x\u00e2y d\u1ef1ng m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c th\u01b0\u01a1ng hi\u1ec7u t\u00ean mi\u1ec1n d\u00e0i h\u1ea1n, v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch r\u00f5 r\u00e0ng cho h\u1ec7 th\u1ed1ng c\u00e1c t\u00ean mi\u1ec1n ch\u00ednh, t\u00ean mi\u1ec1n con li\u00ean quan \u0111\u1ebfn s\u1ea3n ph\u1ea9m, v\u00e0 t\u00ean mi<\/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

T\u00ean mi\u1ec1n, v\u1edbi t\u01b0 c\u00e1ch l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a internet, c\u00f3 t\u1ea7m quan tr\u1ecdng v\u01b0\u1ee3t xa vi\u1ec7c \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 web. T\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 gi\u00e1 tr\u1ecb c\u1ed1t l\u00f5i c\u1ee7a n\u00f3 nh\u01b0 m\u1ed9t \u201cs\u1ed1 nh\u00e0\u201d, \u0111\u1ebfn vi\u1ec7c th\u1ef1c hi\u1ec7n quy tr\u00ecnh \u0111\u0103ng k\u00fd m\u1ed9t c\u00e1ch ch\u1eb7t ch\u1ebd, ti\u1ebfp theo l\u00e0 n\u1eafm v\u1eefng c\u01a1 ch\u1ebf ph\u1ee9c t\u1ea1p c\u1ee7a qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 DNS (Domain Name System), v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 \u00e1p d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd to\u00e0n di\u1ec7n v\u00e0 c\u00f3 t\u1ea7m nh\u00ecn xa tr\u00f4ng r\u1ed9ng \u2013 t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n trong m\u1ed9t h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi nhau. Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c kh\u00eda c\u1ea1nh \u0111\u0103ng k\u00fd, gi\u1ea3i m\u00e3 v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c b\u1ea1n ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c \u201cc\u1ed5ng truy c\u1eadp\u201d quan tr\u1ecdng \u0111\u1ebfn danh t\u00ednh k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a m\u00ecnh. D\u00f9 l\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n c\u00e1 nh\u00e2n hay qu\u1ea3n tr\u1ecb vi\u00ean doanh nghi\u1ec7p, b\u1ea1n \u0111\u1ec1u n\u00ean coi \u0111\u00e2y l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u1ed1t l\u00f5i c\u1ea7n \u0111\u01b0\u1ee3c h\u1ecdc h\u1ecfi v\u00e0 b\u1ea3o tr\u00ec li\u00ean t\u1ee5c, nh\u1eb1m \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh, b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng kinh doanh tr\u1ef1c tuy\u1ebfn, t\u1eeb \u0111\u00f3 x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho v\u1ecb tr\u00ed c\u1ee7a m\u00ecnh trong th\u1ebf gi\u1edbi internet r\u1ed9ng l\u1edbn n\u00e0y.<\/p>\n\n\n\n

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

T\u00ean mi\u1ec1n v\u00e0 \u0111\u1ecba ch\u1ec9 web kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n

M\u1ed9t \u0111\u1ecba ch\u1ec9 web (URL) l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 m\u1ea1ng ho\u00e0n ch\u1ec9nh, bao g\u1ed3m giao th\u1ee9c (ch\u1eb3ng h\u1ea1n nh\u01b0\u2026) https:\/\/<\/code>\uff09\u3001t\u00ean mi\u1ec1n (v\u00ed d\u1ee5: www.example.com<\/code>Ngo\u00e0i t\u00ean mi\u1ec1n, URL c\u00f2n bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nh\u01b0 ph\u1ea7n m\u1edf r\u1ed9ng t\u00ean mi\u1ec1n (v\u00ed d\u1ee5: .com, .net, .org), \u0111\u1ecba ch\u1ec9 IP, c\u1ed5ng (port number), \u0111\u01b0\u1eddng d\u1eabn (path), v\u00e0 c\u00e1c tham s\u1ed1 (parameters). Trong \u0111\u00f3, t\u00ean mi\u1ec1n l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t trong URL, c\u00f3 ch\u1ee9c n\u0103ng x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a m\u00e1y ch\u1ee7. N\u00f3i m\u1ed9t<\/p>\n\n\n\n

T\u00f4i c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u00e0 mua m\u00e1y ch\u1ee7 t\u1ea1i c\u00e1c c\u00f4ng ty kh\u00e1c nhau kh\u00f4ng?<\/h3>\n\n\n\n

Ho\u00e0n to\u00e0n c\u00f3 th\u1ec3. \u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u00e0 d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 l\u00e0 hai d\u1ecbch v\u1ee5 ri\u00eang bi\u1ec7t. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1ea1i C\u00f4ng ty A, sau \u0111\u00f3 thi\u1ebft l\u1eadp ph\u00e2n gi\u1ea3i DNS \u0111\u1ec3 tr\u1ecf \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 m\u00e0 b\u1ea1n mua t\u1eeb C\u00f4ng ty B. S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y mang l\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng nhi\u1ec1u l\u1ef1a ch\u1ecdn h\u01a1n, gi\u00fap h\u1ecd c\u00f3 th\u1ec3 ch\u1ecdn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 t\u1ed1t nh\u1ea5t d\u1ef1a tr\u00ean ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 c\u1ea3.<\/p>\n\n\n\n

T\u1ea1i sao qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 DNS (Domain Name System) c\u1ea7n th\u1eddi gian \u0111\u1ec3 ph\u00e1t huy hi\u1ec7u l\u1ef1c?<\/h3>\n\n\n\n

Qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 DNS (Domain Name System) ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ec7m (cache) \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 tr\u00ean to\u00e0n c\u1ea7u. Khi b\u1ea1n thay \u0111\u1ed5i c\u00e1c b\u1ea3n ghi DNS, c\u00e1c m\u00e1y ch\u1ee7 DNS \u0111\u1ec7 quy (recursive DNS servers) tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi c\u1ea7n ph\u1ea3i c\u1eadp nh\u1eadt b\u1ed9 \u0111\u1ec7m c\u1ee7a ch\u00fang d\u1ea7n d\u1ea7n, d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb TTL (Time To Live) c\u1ee7a t\u1eebng b\u1ea3n ghi. Qu\u00e1 tr\u00ecnh \u0111\u1ed3ng b\u1ed9 h\u00f3a n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cDNS propagation\u201d v\u00e0 th\u01b0\u1eddng m\u1ea5t t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn 48 gi\u1edd. Vi\u1ec7c thi\u1ebft l\u1eadp gi\u00e1 tr\u1ecb TTL ng\u1eafn h\u01a1n c\u00f3 th\u1ec3 gi\u00fap c\u00e1c thay \u0111\u1ed5i c\u00f3 hi\u1ec7u l\u1ef1c nhanh h\u01a1n.<\/p>\n\n\n\n

N\u1ebfu t\u00ean mi\u1ec1n b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd m\u1ea5t th\u00ec ph\u1ea3i l\u00e0m sao?<\/h3>\n\n\n\n

N\u1ebfu t\u00ean mi\u1ec1n b\u1ea1n mong mu\u1ed1n \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed li\u00ean h\u1ec7 v\u1edbi ch\u1ee7 s\u1edf h\u1eefu hi\u1ec7n t\u1ea1i th\u00f4ng qua c\u00e1c n\u1ec1n t\u1ea3ng giao d\u1ecbch t\u00ean mi\u1ec1n \u0111\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng mua n\u00f3. N\u1ebfu t\u00ean mi\u1ec1n \u0111\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 ch\u1ee7 s\u1edf h\u1eefu kh\u00f4ng c\u00f3 \u00fd \u0111\u1ecbnh b\u00e1n, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t \u0111\u0103ng k\u00fd m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c v\u1edbi ph\u1ea7n m\u1edf r\u1ed9ng kh\u00e1c ho\u1eb7c thay \u0111\u1ed5i m\u1ed9t ch\u00fat (v\u00ed d\u1ee5: th\u00eam ti\u1ec1n t\u1ed1 ho\u1eb7c h\u1eadu t\u1ed1, s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n c\u1ea5p cao kh\u00e1c). H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n kh\u00f4ng vi ph\u1ea1m quy\u1ec1n s\u1edf h\u1eefu th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a ng\u01b0\u1eddi kh\u00e1c.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 xem m\u1ed9t t\u00ean mi\u1ec1n c\u00f3 an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady hay kh\u00f4ng?<\/h3>\n\n\n\n

Tr\u01b0\u1edbc h\u1ebft, h\u00e3y ki\u1ec3m tra l\u1ecbch s\u1eed c\u1ee7a t\u00ean mi\u1ec1n \u0111\u1ec3 tr\u00e1nh s\u1eed d\u1ee5ng nh\u1eefng t\u00ean mi\u1ec1n c\u00f3 \u201cl\u00fd l\u1ecbch kh\u00f4ng t\u1ed1t\u201d. Ti\u1ebfp theo, \u0111\u1ea3m b\u1ea3o \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u00f4ng qua nh\u00e0 \u0111\u0103ng k\u00fd uy t\u00edn v\u00e0 ch\u00ednh th\u1ee9c. B\u1eadt c\u00e1c d\u1ecbch v\u1ee5 kh\u00f3a t\u00ean mi\u1ec1n v\u00e0 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0. Cu\u1ed1i c\u00f9ng, ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 xem c\u00e0i \u0111\u1eb7t DNS v\u00e0 b\u1ea3n ghi gi\u1ea3i quy\u1ebft (resolution records) c\u1ee7a t\u00ean mi\u1ec1n c\u00f3 b\u1ecb s\u1eeda \u0111\u1ed5i m\u1ed9t c\u00e1ch x\u1ea5u \u00fd hay kh\u00f4ng. \u0110\u1ed1i v\u1edbi c\u00e1c t\u00ean mi\u1ec1n quan tr\u1ecdng c\u1ee7a doanh nghi\u1ec7p, n\u00ean tri\u1ec3n khai c\u00e1c ti\u1ec7n \u00edch b\u1ea3o m\u1eadt nh\u01b0 DNSSEC.<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i v\u00e0 quy tr\u00ecnh k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n (domain names). \u0110\u1ea7u ti\u00ean, t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 \u201cs\u1ed1 nh\u00e0\u201d tr\u00ean m\u1ea1ng Internet, v\u00e0 c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch chi ti\u1ebft. Sau \u0111\u00f3, quy tr\u00ecnh \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c m\u1ed9t t\u00ean mi\u1ec1n (bao g\u1ed3m vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd, th\u1ef1c hi\u1ec7n truy v\u1ea5n, v\u00e0 thanh to\u00e1n) \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng. Cu\u1ed1i c\u00f9ng, c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng ph\u00e2n t\u00edch t\u00ean mi\u1ec1n th\u00f4ng qua DNS (Domain Name System) c\u00f9ng c\u00e1c lo\u1ea1i b\u1ea3n ghi c\u1ed1t l\u00f5i \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch s\u00e2u r\u1ed9ng; \u0111\u00e2y l\u00e0 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt gi\u00fap ng\u01b0\u1eddi \u0111\u1ecdc hi\u1ec3u r\u00f5 to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh t\u1eeb vi\u1ec7c \u0111\u0103ng<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[],"knowledge_category":[279],"class_list":["post-12366772","knowledge_post","type-knowledge_post","status-publish","hentry","knowledge_category-domain"],"acf":{"site_seo_keywords":"\u57df\u540d\u6ce8\u518c\uff0c\u57df\u540d\u89e3\u6790\uff0cDNS\uff0c\u57df\u540d\u7ba1\u7406\uff0c\u9876\u7ea7\u57df\u540d\uff0c\u57df\u540d\u7cfb\u7edf\uff0c\u57df\u540d\u662f\u4ec0\u4e48\uff0c\u57df\u540d\u89e3\u6790\u8fc7\u7a0b"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12366772","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\/12366772\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12366772"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12366772"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12366772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}