{"id":12365482,"date":"2026-03-13T11:58:58","date_gmt":"2026-03-13T03:58:58","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%bd%bb%e5%ba%95%e6%90%9e%e6%87%82%e5%9f%9f%e5%90%8d%ef%bc%9a%e4%bb%8e%e6%b3%a8%e5%86%8c%e3%80%81%e8%a7%a3%e6%9e%90%e5%88%b0%e7%ae%a1%e7%90%86%e7%9a%84%e5%ae%8c%e6%95%b4%e5%ae%9e%e6%88%98%e6%8c%87\/"},"modified":"2026-03-13T12:00:33","modified_gmt":"2026-03-13T04:00:33","slug":"complete-guide-to-domain-registration-dns-and-management-2026","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/complete-guide-to-domain-registration-dns-and-management-2026\/","title":{"rendered":"Hi\u1ec3u r\u00f5 t\u00ean mi\u1ec1n: H\u01b0\u1edbng d\u1eabn th\u1ef1c h\u00e0nh to\u00e0n di\u1ec7n t\u1eeb \u0111\u0103ng k\u00fd, ph\u00e2n gi\u1ea3i \u0111\u1ebfn qu\u1ea3n l\u00fd"},"content":{"rendered":"

T\u00ean mi\u1ec1n l\u00e0 g\u00ec v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a n\u00f3<\/h2>\n\n\n\n

Trong th\u1ebf gi\u1edbi internet, t\u00ean mi\u1ec1n \u0111\u00f3ng m\u1ed9t vai tr\u00f2 v\u00f4 c\u00f9ng quan tr\u1ecdng, n\u00f3 l\u00e0 phi\u00ean b\u1ea3n \u0111\u1ecba ch\u1ec9 m\u1ea1ng m\u00e0 con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng, n\u1ebfu kh\u00f4ng c\u00f3 t\u00ean mi\u1ec1n, m\u1ed7i l\u1ea7n truy c\u1eadp website ch\u00fang ta \u0111\u1ec1u ph\u1ea3i nh\u1eadp m\u1ed9t chu\u1ed7i s\u1ed1 d\u00e0i kh\u00f3 nh\u1edb (t\u1ee9c \u0111\u1ecba ch\u1ec9 IP), \u0111i\u1ec1u n\u00e0y ch\u1eafc ch\u1eafn s\u1ebd c\u1ea3n tr\u1edf r\u1ea5t l\u1edbn \u0111\u1ebfn s\u1ef1 ph\u1ed5 c\u1eadp v\u00e0 tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng internet. S\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n cho ph\u00e9p ch\u00fang ta truy c\u1eadp website th\u00f4ng qua nh\u1eefng k\u00fd t\u1ef1 \u0111\u01a1n gi\u1ea3n d\u1ec5 nh\u1edb nh\u01b0 \u201cbaidu.com\u201d, \u201cgoogle.com\u201d.<\/p>\n\n\n\n

M\u1ed9t t\u00ean mi\u1ec1n ho\u00e0n ch\u1ec9nh bao g\u1ed3m nhi\u1ec1u ph\u1ea7n, c\u00e1c ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1ch b\u1eb1ng d\u1ea5u ch\u1ea5m (.), t\u1eeb ph\u1ea3i sang tr\u00e1i c\u1ea5p b\u1eadc gi\u1ea3m d\u1ea7n. Ph\u1ea7n ngo\u00e0i c\u00f9ng b\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ct\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t\u201d (TLD), v\u00ed d\u1ee5 nh\u01b0 nh\u1eefng c\u00e1i ch\u00fang ta quen thu\u1ed9c \u201c.com\u201d, \u201c.cn\u201d, \u201c.net\u201d, \u201c.org\u201d, v.v. D\u01b0\u1edbi t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t l\u00e0 \u201ct\u00ean mi\u1ec1n c\u1ea5p hai\u201d, \u0111\u00e2y th\u01b0\u1eddng l\u00e0 ph\u1ea7n ch\u00fang ta \u0111\u0103ng k\u00fd v\u1edbi nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, c\u0169ng l\u00e0 \u0111\u1ecbnh danh c\u1ed1t l\u00f5i c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u website, v\u00ed d\u1ee5 \u201cbaidu\u201d ch\u00ednh l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p hai trong \u201cbaidu.com\u201d. Tr\u00ean c\u01a1 s\u1edf n\u00e0y, ch\u00fang ta c\u00f2n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp \u201ct\u00ean mi\u1ec1n ph\u1ee5\u201d, t\u1ee9c l\u00e0 th\u00eam ti\u1ec1n t\u1ed1 tr\u01b0\u1edbc t\u00ean mi\u1ec1n c\u1ea5p hai, v\u00ed d\u1ee5 \u201cwww\u201d trong \u201cwww.baidu.com\u201d ch\u00ednh l\u00e0 m\u1ed9t t\u00ean mi\u1ec1n ph\u1ee5 ph\u1ed5 bi\u1ebfn nh\u1ea5t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 tr\u1ecf \u0111\u1ebfn m\u00e1y ch\u1ee7 ch\u00ednh c\u1ee7a website.<\/p>\n\n\n\n

Ngo\u00e0i ra, c\u1ea7n l\u00e0m r\u00f5 m\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m li\u00ean quan ch\u1eb7t ch\u1ebd v\u1edbi t\u00ean mi\u1ec1n. \u201cURL\u201d l\u00e0 b\u1ed9 \u0111\u1ecbnh v\u1ecb t\u00e0i nguy\u00ean th\u1ed1ng nh\u1ea5t, n\u00f3 l\u00e0 m\u1ed9t \u0111\u1ecba ch\u1ec9 trang web ho\u00e0n ch\u1ec9nh, bao g\u1ed3m giao th\u1ee9c truy c\u1eadp (nh\u01b0 http\/https), t\u00ean mi\u1ec1n c\u00f9ng \u0111\u01b0\u1eddng d\u1eabn v\u00e0 tham s\u1ed1 c\u1ee5 th\u1ec3. C\u00f2n \u201ch\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n\u201d l\u00e0 m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u00e2n t\u00e1n kh\u1ed5ng l\u1ed3, ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a n\u00f3 l\u00e0 d\u1ecbch t\u00ean mi\u1ec1n ch\u00fang ta nh\u1eadp v\u00e0o th\u00e0nh \u0111\u1ecba ch\u1ec9 IP m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft, qu\u00e1 tr\u00ecnh n\u00e0y ch\u00ednh l\u00e0 \u201cph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n\u201d.<\/p>\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 ri\u00eang l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c x\u00e2y d\u1ef1ng danh t\u00ednh tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p, nh\u01b0ng vi\u1ec7c tu\u00e2n theo \u0111\u00fang c\u00e1c b\u01b0\u1edbc v\u00e0 n\u1eafm r\u00f5 c\u00e1c chi ti\u1ebft li\u00ean quan s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c nhi\u1ec1u r\u1eafc r\u1ed1i ti\u1ec1m \u1ea9n.<\/p>\n\n\n\n

Tr\u01b0\u1edbc h\u1ebft, b\u1ea1n c\u1ea7n ch\u1ecdn m\u1ed9t nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u00e1ng tin c\u1eady t\u1eeb s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c nh\u00e0 cung c\u1ea5p hi\u1ec7n c\u00f3. Khi l\u1ef1a ch\u1ecdn, h\u00e3y xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u00ednh minh b\u1ea1ch v\u1ec1 gi\u00e1 c\u1ea3, \u0111\u1ed9 d\u1ec5 s\u1eed d\u1ee5ng c\u1ee7a giao di\u1ec7n qu\u1ea3n tr\u1ecb, ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng, ch\u00ednh s\u00e1ch chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n, 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. T\u1ea1i Vi\u1ec7t Nam, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn nh\u1eefng nh\u00e0 cung c\u1ea5p \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p b\u1edfi ICANN ho\u1eb7c CNNIC.<\/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

Sau khi ch\u1ecdn \u0111\u01b0\u1ee3c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, b\u01b0\u1edbc ti\u1ebfp theo r\u1ea5t quan tr\u1ecdng l\u00e0 \u201cki\u1ec3m tra t\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a t\u00ean mi\u1ec1n\u201d. B\u1ea1n c\u1ea7n ngh\u0129 ra m\u1ed9t ho\u1eb7c nhi\u1ec1u t\u00ean mi\u1ec1n l\u00fd t\u01b0\u1edfng, sau \u0111\u00f3 th\u1ef1c hi\u1ec7n vi\u1ec7c t\u00ecm ki\u1ebfm ch\u00fang trong \u00f4 t\u00ecm ki\u1ebfm c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd. M\u1ed9t t\u00ean mi\u1ec1n t\u1ed1t n\u00ean ng\u1eafn g\u1ecdn, d\u1ec5 nh\u1edb, li\u00ean quan \u0111\u1ebfn th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng kinh doanh c\u1ee7a b\u1ea1n, v\u00e0 tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c k\u00fd t\u1ef1 nh\u01b0 d\u1ea5u g\u1ea1ch ch\u00e9o (-) ho\u1eb7c ch\u1eef s\u1ed1 v\u00ec ch\u00fang c\u00f3 th\u1ec3 g\u00e2y nh\u1ea7m l\u1eabn. N\u1ebfu t\u00ean mi\u1ec1n lo\u1ea1i \u201c.com\u201d m\u00e0 b\u1ea1n mong mu\u1ed1n \u0111\u00e3 b\u1ecb \u0111\u0103ng k\u00fd, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c t\u00ean mi\u1ec1n top-level kh\u00e1c nh\u01b0 \u201c.cn\u201d, \u201c.net\u201d ho\u1eb7c c\u00e1c t\u00ean mi\u1ec1n m\u1edbi mang t\u00ednh m\u00f4 t\u1ea3 cao h\u01a1n nh\u01b0 \u201c.shop\u201d, \u201c.app\u201d, v.v.<\/p>\n\n\n\n

Sau khi x\u00e1c nh\u1eadn r\u1eb1ng t\u00ean mi\u1ec1n c\u00f3 s\u1eb5n v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh mua. B\u1ea1n c\u1ea7n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1eb7t h\u00e0ng v\u00e0 thanh to\u00e1n theo h\u01b0\u1edbng d\u1eabn tr\u00ean trang web c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n. Khi mua t\u00ean mi\u1ec1n, b\u1ea1n th\u01b0\u1eddng ph\u1ea3i ch\u1ecdn th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd \u2013 th\u01b0\u1eddng l\u00e0 t\u1eeb 1 n\u0103m tr\u1edf l\u00ean, t\u1ed1i \u0111a l\u00e0 10 n\u0103m. L\u01b0u \u00fd r\u1eb1ng t\u00ean mi\u1ec1n kh\u00f4ng \u0111\u01b0\u1ee3c mua v\u0129nh vi\u1ec5n m\u00e0 \u0111\u01b0\u1ee3c cho thu\u00ea theo n\u0103m; b\u1ea1n c\u1ea7n gia h\u1ea1n tr\u01b0\u1edbc khi h\u1ebft th\u1eddi h\u1ea1n, n\u1ebfu kh\u00f4ng t\u00ean mi\u1ec1n c\u00f3 th\u1ec3 b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc. Sau khi thanh to\u00e1n th\u00e0nh c\u00f4ng, b\u1ea1n c\u1ea7n ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh \u201cx\u00e1c th\u1ef1c danh t\u00ednh cho t\u00ean mi\u1ec1n\u201d. Theo quy \u0111\u1ecbnh qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n tr\u00ean m\u1ea1ng Internet c\u1ee7a Trung Qu\u1ed1c, m\u1ecdi t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd t\u1ea1i Trung Qu\u1ed1c \u0111\u1ec1u ph\u1ea3i n\u1ed9p th\u00f4ng tin c\u00e1 nh\u00e2n ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n \u0111\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m tra. Ch\u1ec9 sau khi ki\u1ec3m tra th\u00f4ng qua, t\u00ean mi\u1ec1n m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

Kh\u00e2u then ch\u1ed1t: Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (Domain Name Resolution)<\/h2>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u00e0nh c\u00f4ng, n\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t \u201cv\u1ecf r\u1ed7ng\u201d; b\u1ea1n c\u1ea7n \u0111\u1ecbnh tuy\u1ebfn n\u00f3 \u0111\u1ebfn m\u00e1y ch\u1ee7 ch\u1ee9a n\u1ed9i dung trang web. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cgi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n\u201d (domain name resolution). Vi\u1ec7c hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n \u0111\u1ec3 qu\u1ea3n l\u00fd m\u1ed9t trang web.<\/p>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 t\u00ean mi\u1ec1n l\u00e0 h\u1ec7 th\u1ed1ng DNS (Domain Name System). Khi b\u1ea1n nh\u1eadp m\u1ed9t t\u00ean mi\u1ec1n v\u00e0o tr\u00ecnh duy\u1ec7t v\u00e0 nh\u1ea5n Enter, m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n s\u1ebd g\u1eedi y\u00eau c\u1ea7u tra c\u1ee9u \u0111\u1ebfn b\u1ed9 gi\u1ea3i m\u00e3 DNS \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh s\u1eb5n tr\u00ean h\u1ec7 th\u1ed1ng. N\u1ebfu b\u1ed9 gi\u1ea3i m\u00e3 DNS kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u l\u01b0u tr\u1eef v\u1ec1 t\u00ean mi\u1ec1n \u0111\u00f3 trong b\u1ed9 nh\u1edb \u0111\u1ec7m (cache), n\u00f3 s\u1ebd b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh tra c\u1ee9u t\u1eeb m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n g\u1ed1c (root server) c\u1ee7a h\u1ec7 th\u1ed1ng DNS, ti\u1ebfp t\u1ee5c truy v\u1ea5n qua c\u00e1c m\u00e1y ch\u1ee7 DNS kh\u00e1c cho \u0111\u1ebfn khi t\u00ecm th\u1ea5y m\u00e1y ch\u1ee7 DNS ch\u00ednh th\u1ee9c (authoritative DNS server) qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n \u0111\u00f3. M\u00e1y ch\u1ee7 n\u00e0y s\u1ebd cung c\u1ea5p \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u00ean mi\u1ec1n v\u00e0 tr\u1ea3 k\u1ebft qu\u1ea3 cho tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n, t\u1eeb \u0111\u00f3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh truy c\u1eadp.<\/p>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i b\u1ea3n ghi DNS v\u00f4 c\u00f9ng quan tr\u1ecdng m\u00e0 b\u1ea1n c\u1ea7n thi\u1ebft l\u1eadp trong giao di\u1ec7n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n.<\/p>\n\n\n\n

\u0110\u1ea7u ti\u00ean l\u00e0 lo\u1ea1i b\u1ea3n ghi A (A Record) \u2013 \u0111\u00e2y l\u00e0 lo\u1ea1i b\u1ea3n ghi c\u01a1 b\u1ea3n nh\u1ea5t, c\u00f3 ch\u1ee9c n\u0103ng li\u00ean k\u1ebft m\u1ed9t t\u00ean mi\u1ec1n tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4. V\u00ed d\u1ee5, n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ecbnh tuy\u1ebfn \u201cyourdomain.com\u201d \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 l\u00e0 \u201c192.0.2.1\u201d.<\/p>\n\n\n\n

Ti\u1ebfp theo l\u00e0 c\u00e1c b\u1ea3n ghi CNAME (Canonical Name Records), c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ea3n ghi t\u00ean mi\u1ec1n \u0111\u1ea1i di\u1ec7n. Ch\u00fang cho ph\u00e9p b\u1ea1n \u0111\u1ecbnh tuy\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n \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 thi\u1ebft l\u1eadp \u201cwww.yourdomain.com\u201d l\u00e0m b\u1ea3n ghi CNAME c\u1ee7a \u201cyourdomain.com\u201d. Nh\u01b0 v\u1eady, khi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a \u201cyourdomain.com\u201d thay \u0111\u1ed5i, t\u00ean mi\u1ec1n con \u201cwww\u201d s\u1ebd t\u1ef1 \u0111\u1ed9ng thay \u0111\u1ed5i theo, m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ch\u1ec9nh s\u1eeda ri\u00eang bi\u1ec7t.<\/p>\n\n\n\n

MX (Mail Exchange) record \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ri\u00eang cho d\u1ecbch v\u1ee5 email, v\u00e0 n\u00f3 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 email ch\u1ecbu tr\u00e1ch nhi\u1ec7m nh\u1eadn th\u01b0 t\u1eeb t\u00ean mi\u1ec1n \u0111\u00f3. TTL (Time To Live) l\u00e0 gi\u00e1 tr\u1ecb th\u1ec3 hi\u1ec7n th\u1eddi gian m\u00e0 th\u00f4ng tin DNS \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u00e1c b\u1ed9 \u0111\u1ec7m kh\u00e1c nhau. N\u1ebfu gi\u00e1 tr\u1ecb TTL th\u1ea5p, nh\u1eefng thay \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhanh h\u01a1n, nh\u01b0ng s\u1ebd l\u00e0m t\u0103ng t\u1ea3i l\u01b0\u1ee3ng truy v\u1ea5n; ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu gi\u00e1 tr\u1ecb TTL cao, t\u1ea3i l\u01b0\u1ee3ng truy v\u1ea5n s\u1ebd gi\u1ea3m, nh\u01b0ng nh\u1eefng thay \u0111\u1ed5i s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ch\u1eadm h\u01a1n.<\/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

Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c thay \u0111\u1ed5i kh\u00f4ng di\u1ec5n ra ngay l\u1eadp t\u1ee9c. Khi b\u1ea1n thay \u0111\u1ed5i th\u00f4ng tin trong b\u1ea3ng ghi DNS (Domain Name System), do s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c b\u1ed9 \u0111\u1ec7m DNS tr\u00ean to\u00e0n c\u1ea7u, c\u00e1c thay \u0111\u1ed5i \u0111\u00f3 th\u01b0\u1eddng m\u1ea5t t\u1eeb v\u00e0i ph\u00fat \u0111\u1ebfn 48 gi\u1edd m\u1edbi \u0111\u01b0\u1ee3c tri\u1ec3n khai ho\u00e0n to\u00e0n tr\u00ean to\u00e0n b\u1ed9 m\u1ea1ng Internet. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ctruy\u1ec1n th\u00f4ng tin DNS\u201d (DNS propagation).<\/p>\n\n\n\n

Chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o tr\u00ec an to\u00e0n t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

Sau khi ho\u00e0n t\u1ea5t vi\u1ec7c \u0111\u0103ng k\u00fd v\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name registration and resolution), vi\u1ec7c qu\u1ea3n l\u00fd h\u00e0ng ng\u00e0y c\u0169ng nh\u01b0 b\u1ea3o m\u1eadt v\u1eabn c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng. Qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 gi\u00fap \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a doanh nghi\u1ec7p, trong khi c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt s\u1ebd b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n kh\u1ecfi b\u1ecb<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c doanh nghi\u1ec7p s\u1edf h\u1eefu nhi\u1ec1u t\u00ean mi\u1ec1n, vi\u1ec7c qu\u1ea3n l\u00fd t\u1ea5t c\u1ea3 c\u00e1c t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch t\u1eadp trung l\u00e0 r\u1ea5t \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb. H\u00e3y th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra danh s\u00e1ch c\u00e1c t\u00ean mi\u1ec1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c gia h\u1ea1n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang h\u1ea1n, nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n, trang web kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c, ho\u1eb7c th\u1eadm ch\u00ed b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc. Nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n cung c\u1ea5p t\u00ednh n\u0103ng gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng; vi\u1ec7c b\u1eadt t\u00ednh n\u0103ng n\u00e0y s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 b\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n.<\/p>\n\n\n\n

An ninh t\u00ean mi\u1ec1n l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ef1c k\u1ef3 quan tr\u1ecdng. Nguy\u00ean t\u1eafc h\u00e0ng \u0111\u1ea7u l\u00e0 ph\u1ea3i k\u00edch ho\u1ea1t v\u00e0 b\u1ea3o v\u1ec7 t\u1ed1t t\u00ednh n\u0103ng \u201ckh\u00f3a t\u00ean mi\u1ec1n\u201d. Sau khi \u0111\u01b0\u1ee3c kh\u00f3a, t\u00ean mi\u1ec1n s\u1ebd kh\u00f4ng th\u1ec3 b\u1ecb chuy\u1ec3n nh\u01b0\u1ee3ng, x\u00f3a ho\u1eb7c thay \u0111\u1ed5i c\u00e1c th\u00f4ng tin quan tr\u1ecdng, t\u1eeb \u0111\u00f3 ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 vi\u1ec7c chi\u1ebfm \u0111o\u1ea1t t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch tr\u00e1i ph\u00e9p. Ti\u1ebfp theo, b\u1ea1n nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i b\u1eadt t\u00ednh n\u0103ng \u201cB\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 WHOIS\u201d. Theo m\u1eb7c \u0111\u1ecbnh, th\u00f4ng tin \u0111\u0103ng k\u00fd c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu t\u00ean mi\u1ec1n nh\u01b0 t\u00ean, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, email, v.v. \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u00f4ng khai, \u0111i\u1ec1u n\u00e0y r\u1ea5t d\u1ec5 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng nh\u1eadn th\u01b0 r\u00e1c, b\u1ecb qu\u1ea5y r\u1ed1i qua \u0111i\u1ec7n tho\u1ea1i, ho\u1eb7c th\u1eadm ch\u00ed b\u1ecb l\u1ee3i d\u1ee5ng m\u1ed9t c\u00e1ch x\u1ea5u. D\u1ecbch v\u1ee5 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00f4ng tin c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd thay th\u1ebf cho th\u00f4ng tin th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

An ninh t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 cu\u1ed1i c\u00f9ng. B\u1ea1n ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t m\u1eadt kh\u1ea9u m\u1ea1nh cho giao di\u1ec7n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n v\u00e0 b\u1eadt t\u00ednh n\u0103ng x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (two-factor authentication). Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c chia s\u1ebb m\u1eadt kh\u1ea9u t\u00e0i kho\u1ea3n ch\u00ednh v\u1edbi b\u1ea5t k\u1ef3 ai; n\u1ebfu c\u1ea7n \u1ee7y quy\u1ec1n cho ng\u01b0\u1eddi kh\u00e1c qu\u1ea3n l\u00fd t\u00e0i kho\u1ea3n, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c t\u00e0i kho\u1ea3n con ho\u1eb7c ch\u1ee9c n\u0103ng qu\u1ea3n l\u00fd quy\u1ec1n m\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n cung c\u1ea5p.<\/p>\n\n\n\n

Cu\u1ed1i c\u00f9ng, xin vui l\u00f2ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ecba ch\u1ec9 email \u0111\u00e3 \u0111\u0103ng k\u00fd c\u1ee7a b\u1ea1n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 an to\u00e0n. \u0110\u1ecba ch\u1ec9 email n\u00e0y l\u00e0 k\u00eanh truy\u1ec1n th\u00f4ng quan tr\u1ecdng \u0111\u1ec3 nh\u1eadn c\u00e1c th\u00f4ng b\u00e1o thanh to\u00e1n, x\u00e1c nh\u1eadn vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n, v\u00e0 nhi\u1ec1u th\u00f4ng tin quan tr\u1ecdng kh\u00e1c. N\u1ebfu \u0111\u1ecba ch\u1ec9 email kh\u00f4ng c\u00f2n ho\u1ea1t \u0111\u1ed9ng, b\u1ea1n c\u00f3 th\u1ec3 b\u1ecf l\u1ee1 nh\u1eefng th\u00f4ng b\u00e1o quan tr\u1ecdng, d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1ea5t quy\u1ec1n<\/p>\n\n

\r\n\t\r\n\t\t\r\n\t\r\n\t
\r\n\t\t
\r\n\t\t\t\r\n\t\t\t
\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
\r\n\t\t\t\t
\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
\r\n\t\t\t\t\t\t\t\t
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
\r\n\t\t
\r\n\t\t\t\r\n\t\t\t
\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
\r\n\t\t\t\t
\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
\r\n\t\t\t\r\n\t\t\t\t\t\t\r\n\t\t\t \r\n\t\t\t
\r\n\t\t\t\t\t\t\t\t
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 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a internet v\u00e0 t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 quan tr\u1ecdng c\u1ee7a c\u00e1c doanh nghi\u1ec7p, c\u00f3 t\u1ea7m quan tr\u1ecdng kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn. Qu\u00e1 tr\u00ecnh qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n bao g\u1ed3m nhi\u1ec1u b\u01b0\u1edbc c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn v\u00e0 c\u00f3 h\u1ec7 th\u1ed1ng: t\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac c\u00e1c c\u1ea5p \u0111\u1ed9 c\u1ee7a t\u00ean mi\u1ec1n, \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p v\u00e0 ho\u00e0n t\u1ea5t th\u1ee7 t\u1ee5c \u0111\u0103ng k\u00fd c\u00f9ng x\u00e1c th\u1ef1c danh t\u00ednh; ti\u1ebfp theo l\u00e0 n\u1eafm v\u1eefng nguy\u00ean l\u00fd gi\u1ea3i m\u00e3 DNS v\u00e0 c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1c lo\u1ea1i th\u00f4ng tin li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n; cu\u1ed1i c\u00f9ng l\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nh\u01b0 qu\u1ea3n l\u00fd t\u1eadp trung, k\u00edch ho\u1ea1t ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 an ninh, v\u00e0 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 \u0111\u1ec3 \u0111<\/p>\n\n\n\n

Vi\u1ec7c n\u1eafm v\u1eefng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n t\u1ef1 m\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 b\u1ea3o tr\u00ec trang web m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, m\u00e0 c\u00f2n gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n \u0111\u1ed1i v\u1edbi t\u00e0i s\u1ea3n tr\u1ef1c tuy\u1ebfn c\u1ee7a m\u00ecnh, c\u0169ng nh\u01b0 c\u1ea3m gi\u00e1c an to\u00e0n h\u01a1n khi s\u1eed d\u1ee5ng ch\u00fang. D\u00f9 l\u00e0 blog c\u00e1 nh\u00e2n hay trang web ch\u00ednh th\u1ee9c c\u1ee7a doanh nghi\u1ec7p, m\u1ed9t t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1ch ch\u00ednh l\u00e0 n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc \u0111\u1ec3 trang web ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n tr\u00ean m\u1ea1ng<\/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 t\u00f4i c\u00f3 th\u1ec3 s\u1edf h\u1eefu n\u00f3 v\u0129nh vi\u1ec5n kh\u00f4ng?<\/p>\n\n\n\n

Kh\u00f4ng \u0111\u01b0\u1ee3c. T\u00ean mi\u1ec1n kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 mua m\u1ed9t l\u1ea7n m\u00e3i m\u00e3i, m\u00e0 l\u00e0 d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c cho thu\u00ea theo n\u0103m. B\u1ea1n ch\u1ec9 s\u1edf h\u1eefu quy\u1ec1n s\u1eed d\u1ee5ng n\u00f3 trong th\u1eddi h\u1ea1n \u0111\u0103ng k\u00fd. B\u1ea1n ph\u1ea3i n\u00e2ng c\u1ea5p (gia h\u1ea1n) t\u00ean mi\u1ec1n \u0111\u00fang h\u1ea1n; n\u1ebfu kh\u00f4ng, n\u00f3 s\u1ebd tr\u1ea3i qua c\u00e1c giai \u0111o\u1ea1n: th\u1eddi gian ho\u00e0n l\u1ea1i, th\u1eddi gian x\u00f3a, v\u00e0 cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh tr\u1edf l\u1ea1i th\u1ecb tr\u01b0\u1eddng c\u00f4ng c\u1ed9ng \u0111\u1ec3 ng\u01b0\u1eddi kh\u00e1c c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd l\u1ea1i.<\/p>\n\n\n\n

T\u00ean mi\u1ec1n (domain name) c\u00f3 m\u1ed1i quan h\u1ec7 g\u00ec v\u1edbi m\u00e1y ch\u1ee7 \u1ea3o (virtual host) ho\u1eb7c m\u00e1y ch\u1ee7 (server)?<\/h3>\n\n\n\n

\u0110\u00e2y l\u00e0 hai d\u1ecbch v\u1ee5 \u0111\u1ed9c l\u1eadp nh\u01b0ng c\u1ea7n \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 s\u1eed d\u1ee5ng. T\u00ean mi\u1ec1n gi\u1ed1ng nh\u01b0 bi\u1ec3n hi\u1ec7u c\u1ee7a c\u00f4ng ty b\u1ea1n ho\u1eb7c s\u1ed1 nh\u00e0 c\u1ee7a gia \u0111\u00ecnh b\u1ea1n, \u0111\u00f3 l\u00e0 \u0111\u1ecba ch\u1ec9 truy c\u1eadp. C\u00f2n m\u00e1y ch\u1ee7 \u1ea3o (host) ho\u1eb7c m\u00e1y ch\u1ee7 (server) l\u00e0 kh\u00f4ng gian v\u1eadt l\u00fd \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c t\u1ec7p ch\u01b0\u01a1ng tr\u00ecnh, h\u00ecnh \u1ea3nh, c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i li\u1ec7u kh\u00e1c c\u1ee7a trang web, t\u1ee9c l\u00e0 \u201cng\u00f4i nh\u00e0\u201d \u0111\u00f3. B\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution) \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn t\u00ean mi\u1ec1n \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7, nh\u1edd \u0111\u00f3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp n\u1ed9i dung trang web c\u1ee7a b\u1ea1n th\u00f4ng qua t\u00ean mi\u1ec1n \u0111\u00f3.<\/p>\n\n\n\n

N\u1ebfu t\u00ean mi\u1ec1n mong mu\u1ed1n \u0111\u00e3 \u0111\u01b0\u1ee3c \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 t\u00ean mi\u1ec1n hi\u1ec7n t\u1ea1i \u0111\u1ec3 h\u1ecfi xem h\u1ecd c\u00f3 \u00fd \u0111\u1ecbnh b\u00e1n t\u00ean mi\u1ec1n \u0111\u00f3 kh\u00f4ng. Nhi\u1ec1u nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n c\u0169ng cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00f4i gi\u1edbi ho\u1eb7c n\u1ec1n t\u1ea3ng giao d\u1ecbch t\u00ean mi\u1ec1n. N\u1ebfu vi\u1ec7c mua t\u00ean mi\u1ec1n kh\u00f4ng kh\u1ea3 thi, b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t \u0111\u0103ng k\u00fd m\u1ed9t t\u00ean mi\u1ec1n c\u1ea5p cao kh\u00e1c, ch\u1eb3ng h\u1ea1n thay \u201c.com\u201d b\u1eb1ng \u201c.cn\u201d ho\u1eb7c \u201c.net\u201d. Ho\u1eb7c, b\u1ea1n c\u00f3 th\u1ec3 s\u00e1ng t\u1ea1o b\u1eb1ng c\u00e1ch th\u00eam nh\u1eefng t\u1eeb c\u00f3 \u00fd ngh\u0129a v\u00e0o t\u00ean mi\u1ec1n hi\u1ec7n c\u00f3 \u0111\u1ec3 t\u1ea1o ra m\u1ed9t t\u00ean mi\u1ec1n m\u1edbi, ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n

Vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n c\u00f3 ph\u1ee9c t\u1ea1p kh\u00f4ng? C\u00f3 nh\u1eefng \u0111i\u1ec1u g\u00ec c\u1ea7n l\u01b0u \u00fd kh\u00f4ng?<\/h3>\n\n\n\n

Quy tr\u00ecnh kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p, nh\u01b0ng c\u1ea7n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t t\u1eebng b\u01b0\u1edbc. C\u00e1c b\u01b0\u1edbc ch\u00ednh bao g\u1ed3m: Y\u00eau c\u1ea7u nh\u00e0 \u0111\u0103ng k\u00fd ban \u0111\u1ea7u gi\u1ea3i ph\u00f3ng t\u00ean mi\u1ec1n v\u00e0 cung c\u1ea5p 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 d\u1ecbch v\u1ee5; X\u00e1c nh\u1eadn vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng th\u00f4ng qua email \u0111\u01b0\u1ee3c g\u1eedi t\u1eeb nh\u00e0 \u0111\u0103ng k\u00fd ban \u0111\u1ea7u. To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh th\u01b0\u1eddng m\u1ea5t kho\u1ea3ng 5\u20137 ng\u00e0y.<\/p>\n\n\n\n

C\u1ea7n l\u01b0u \u00fd r\u1eb1ng, t\u00ean mi\u1ec1n th\u01b0\u1eddng kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n nh\u01b0\u1ee3ng n\u1ebfu th\u1eddi gian \u0111\u0103ng k\u00fd ho\u1eb7c gia h\u1ea1n ch\u01b0a \u0111\u1ea7y 60 ng\u00e0y. Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng email c\u1ee7a qu\u1ea3n tr\u1ecb vi\u00ean t\u00ean mi\u1ec1n v\u1eabn ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c email x\u00e1c nh\u1eadn. Trong qu\u00e1 tr\u00ecnh chuy\u1ec3n nh\u01b0\u1ee3ng, th\u00f4ng tin gi\u1ea3i quy\u1ebft DNS c\u00f3 th\u1ec3 b\u1ecb t\u1ea1m th\u1eddi m\u1ea5t hi\u1ec7u l\u1ef1c; v\u00ec v\u1eady, b\u1ea1n n\u00ean chu\u1ea9n b\u1ecb s\u1eb5n s<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 ch\u1ee9c n\u0103ng c\u01a1 b\u1ea3n c\u1ee7a t\u00ean mi\u1ec1n, ph\u00e2n t\u00edch chi ti\u1ebft to\u00e0n b\u1ed9 quy tr\u00ecnh \u0111\u0103ng k\u00fd t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd, t\u00ecm ki\u1ebfm v\u00e0 mua t\u00ean mi\u1ec1n cho \u0111\u1ebfn vi\u1ec7c x\u00e1c th\u1ef1c danh t\u00ednh ng\u01b0\u1eddi d\u00f9ng. \u0110\u1ed3ng th\u1eddi, b\u00e0i vi\u1ebft c\u0169ng gi\u1ea3i th\u00edch s\u00e2u r\u1ed9ng v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a DNS (Domain Name System), c\u00e1c lo\u1ea1i b\u1ea3n ghi quan tr\u1ecdng trong DNS, v\u00e0 nh\u1ea5n m\u1ea1nh \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd h\u00e0ng ng\u00e0y c\u0169ng nh\u01b0 b\u1ea3o m\u1eadt t\u00ean mi\u1ec1n. \u0110\u00e2y l\u00e0 m\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[],"knowledge_category":[279],"class_list":["post-12365482","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\u8bb0\u5f55\uff0c\u57df\u540d\u7ba1\u7406\uff0c\u57df\u540d\u5b89\u5168\uff0c\u9876\u7ea7\u57df\u540d\uff0c\u57df\u540d\u89e3\u6790\u539f\u7406\uff0c\u57df\u540d\u5b9e\u6218\u6307\u5357"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12365482","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\/12365482\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12365482"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12365482"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12365482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}