{"id":12383788,"date":"2026-03-30T11:36:35","date_gmt":"2026-03-30T03:36:35","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%9f%9f%e5%90%8d%e8%a7%a3%e6%9e%90%e4%b8%8e%e7%ae%a1%e7%90%86%e5%85%a8%e6%94%bb%e7%95%a5%ef%bc%9a%e4%bb%8e%e6%b3%a8%e5%86%8c%e5%88%b0%e5%ae%89%e5%85%a8%e9%85%8d%e7%bd%ae%e7%9a%84%e5%ae%8c%e6%95%b4\/"},"modified":"2026-03-30T12:10:06","modified_gmt":"2026-03-30T04:10:06","slug":"domain-registration-dns-management-security-configuration-guide","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/domain-registration-dns-management-security-configuration-guide\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 ph\u00e2n gi\u1ea3i v\u00e0 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 t\u1eeb \u0111\u0103ng k\u00fd \u0111\u1ebfn c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt"},"content":{"rendered":"

Trong th\u1ebf gi\u1edbi internet, t\u00ean mi\u1ec1n ch\u00ednh l\u00e0 \u201cs\u1ed1 nh\u00e0\u201d v\u00e0 \u201cd\u1ea5u hi\u1ec7u nh\u1eadn di\u1ec7n\u201d cho c\u00e1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n. M\u1ed9t t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ef1a c\u1ea9n th\u1eadn v\u00e0 qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1ch l\u00e0 n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a trang web. N\u00f3 kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00ecnh \u1ea3nh th\u01b0\u01a1ng hi\u1ec7u m\u00e0 c\u00f2n tr\u1ef1c ti\u1ebfp t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 truy c\u1eadp, t\u00ednh b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u su\u1ea5t tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u1ec7 th\u1ed1ng h\u00f3a to\u00e0n b\u1ed9 quy tr\u00ecnh t\u1eeb vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, gi\u1ea3i m\u00e3 (DNS), qu\u1ea3n l\u00fd cho \u0111\u1ebfn c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt, nh\u1eb1m gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng tr\u1ef1c tuy\u1ebfn v\u1eefng ch\u1eafc.<\/p>\n\n\n\n

Chi\u1ebfn l\u01b0\u1ee3c \u0111\u0103ng k\u00fd v\u00e0 l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong to\u00e0n b\u1ed9 quy tr\u00ecnh v\u00e0 c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng quy\u1ebft \u0111\u1ecbnh chi\u1ebfn l\u01b0\u1ee3c quan tr\u1ecdng nh\u1ea5t. M\u1ed9t t\u00ean mi\u1ec1n t\u1ed1t n\u00ean ng\u1eafn g\u1ecdn, d\u1ec5 nh\u1edb v\u00e0 c\u00f3 m\u1ed1i li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u00fang ph\u1ea7n m\u1edf r\u1ed9ng t\u00ean mi\u1ec1n (domain name extension) ph\u00f9 h\u1ee3p?<\/h3>\n\n\n\n

Ph\u1ea7n m\u1edf r\u1ed9ng t\u00ean mi\u1ec1n, t\u1ee9c l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t (top-level domain \u2013 TLD), nh\u01b0 .com, .cn, .net, v.v., l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a t\u00ean mi\u1ec1n. \u0110\u1ed1i v\u1edbi c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i, .com v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn r\u1ed9ng r\u00e3i nh\u1ea5t v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. N\u1ebfu th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau ch\u1ee7 y\u1ebfu l\u00e0 Trung Qu\u1ed1c, vi\u1ec7c s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n .cn s\u1ebd gi\u00fap th\u1ec3 hi\u1ec7n r\u00f5 h\u01a1n t\u00ednh ch\u1ea5t \u0111\u1ecba ph\u01b0\u01a1ng h\u00f3a c\u1ee7a trang web. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, c\u0169ng \u0111\u00e3 xu\u1ea5t hi\u1ec7n nhi\u1ec1u t\u00ean mi\u1ec1n c\u1ea5p cao m\u1edbi nh\u01b0 .app, .io, .tech, v.v., nh\u1eefng t\u00ean mi\u1ec1n n\u00e0y mang \u0111\u1eb7c tr\u01b0ng ri\u00eang c\u1ee7a t\u1eebng ng\u00e0nh, nh\u01b0ng b\u1ea1n c\u1ea7n xem x\u00e9t \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 ch\u1ea5p nh\u1eadn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 kh\u1ea3 n\u0103ng ghi nh\u1edb c\u1ee7a h\u1ecd. Khi l\u1ef1a ch\u1ecdn, b\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc gi\u1eefa \u0111\u1ecbnh v\u1ecb th\u01b0\u01a1ng hi\u1ec7u, \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1ch h\u00e0ng m\u1ee5c ti\u00eau v\u00e0 t\u00ednh s\u1eb5n c\u00f3 c\u1ee7a t\u00ean mi\u1ec1n \u0111\u00f3.<\/p>\n\n\n\n

So s\u00e1nh v\u00e0 l\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

Nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n l\u00e0 \u0111\u01a1n v\u1ecb cung c\u1ea5p d\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n cho b\u1ea1n. Khi l\u1ef1a ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd, b\u1ea1n n\u00ean ch\u00fa \u00fd \u0111\u1ebfn uy t\u00edn c\u1ee7a h\u1ecd, \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, t\u00ednh minh b\u1ea1ch v\u1ec1 gi\u00e1 c\u1ea3, v\u00e0 xem 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. C\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd c\u00f3 t\u00ean tu\u1ed5i qu\u1ed1c t\u1ebf th\u01b0\u1eddng cung c\u1ea5p d\u1ecbch v\u1ee5 \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng m\u1edf r\u1ed9ng h\u01a1n, trong khi c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd trong n\u01b0\u1edbc l\u1ea1i c\u00f3 \u01b0u th\u1ebf v\u1ec1 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 th\u1ee7 t\u1ee5c \u0111\u0103ng k\u00fd theo quy \u0111\u1ecbnh c\u1ee7a c\u01a1 quan ch\u1ee9c n\u0103ng. H\u00e3y \u0111\u1ecdc k\u1ef9 c\u00e1c \u0111i\u1ec1u kho\u1ea3n d\u1ecbch v\u1ee5, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng quy \u0111\u1ecbnh li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng v\u00e0<\/p>\n\n\n\n

Nguy\u00ean l\u00fd c\u1ed1t l\u00f5i v\u00e0 c\u00e1ch c\u1ea5u h\u00ecnh c\u1ee7a qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 t\u00ean mi\u1ec1n (Domain Name Resolution \u2013 DNS)<\/h2>\n\n\n\n

Sau khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n, b\u1ea1n c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 (resolution) \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn t\u00ean mi\u1ec1n \u0111\u1ebfn m\u00e1y ch\u1ee7 web, nh\u1eb1m cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp v\u00e0o trang web \u0111\u00f3. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi h\u1ec7 th\u1ed1ng DNS (Domain Name System).<\/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

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

Qu\u00e1 tr\u00ecnh gi\u1ea3i m\u00e3 DNS (Domain Name System) ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u lo\u1ea1i b\u1ea3n ghi (records) kh\u00e1c nhau. B\u1ea3n ghi quan tr\u1ecdng nh\u1ea5t l\u00e0 b\u1ea3n ghi A (A Record), n\u00f3 li\u00ean k\u1ebft t\u00ean mi\u1ec1n tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4. B\u1ea3n ghi AAAA (AAAA Record) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean k\u1ebft t\u00ean mi\u1ec1n v\u1edbi \u0111\u1ecba ch\u1ec9 IPv6. B\u1ea3n ghi CNAME (Canonical Name Record) cho ph\u00e9p m\u1ed9t t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c li\u00ean k\u1ebft \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c h\u1ec7 th\u1ed1ng CDN ho\u1eb7c \u0111\u1ec3 t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba. B\u1ea3n ghi MX (Mail Exchange Record) d\u00f9ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh m\u00e1y ch\u1ee7 email, \u0111\u1ea3m b\u1ea3o r\u1eb1ng email c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. B\u1ea3n ghi TXT (Text Record) 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 ho\u1eb7c th\u1ef1c hi\u1ec7n c\u00e1c ch\u00ednh s\u00e1ch ch\u1ed1ng th\u01b0 r\u00e1c nh\u01b0 SPF (Sender Policy Framework). Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i b\u1ea3n ghi n\u00e0y l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c trong h\u1ec7 th\u1ed1ng DNS.<\/p>\n\n\n\n

Quy tr\u00ecnh ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 vi\u1ec7c thi\u1ebft l\u1eadp gi\u00e1 tr\u1ecb TTL (Time To Live)<\/h3>\n\n\n\n

Khi ng\u01b0\u1eddi d\u00f9ng nh\u1eadp t\u00ean mi\u1ec1n v\u00e0o tr\u00ecnh duy\u1ec7t, qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft y\u00eau c\u1ea7u truy c\u1eadp b\u1eaft \u0111\u1ea7u: b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u1ee5c b\u1ed9 -> m\u00e1y ch\u1ee7 DNS \u0111\u1ec7 quy -> m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n g\u1ed1c -> m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t -> m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n c\u00f3 th\u1ea9m quy\u1ec1n, v\u00e0 cu\u1ed1i c\u00f9ng IP \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1ee3c thu \u0111\u01b0\u1ee3c. TTL (Time To Live) l\u00e0 th\u1eddi gian m\u00e0 m\u1ed9t b\u1ea3n ghi DNS \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u00e1c b\u1ed9 nh\u1edb \u0111\u1ec7m. TTL ng\u1eafn (v\u00ed d\u1ee5: 300 gi\u00e2y) r\u1ea5t h\u1eefu \u00edch khi c\u1ea7n thay \u0111\u1ed5i th\u00f4ng tin gi\u1ea3i quy\u1ebft nhanh ch\u00f3ng; TTL d\u00e0i (v\u00ed d\u1ee5: 86400 gi\u00e2y) gi\u00fap gi\u1ea3m s\u1ed1 l\u1ea7n truy v\u1ea5n v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp, nh\u01b0ng vi\u1ec7c thay \u0111\u1ed5i th\u00f4ng tin s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ch\u1eadm h\u01a1n. Th\u1eddi gian TTL n\u00ean \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp m\u1ed9t c\u00e1ch linh ho\u1ea1t t\u00f9y theo nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a trang web.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n t\u1ed1t nh\u1ea5t<\/h2>\n\n\n\n

Vi\u1ec7c qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c nhi\u1ec1u r\u1ee7i ro ti\u1ec1m \u1ea9n, \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t cho c\u00e1c t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

Qu\u1ea3n l\u00fd t\u1eadp trung v\u00e0 gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng<\/h3>\n\n\n\n

\u0110\u1ec1 ngh\u1ecb b\u1ea1n t\u1eadp trung qu\u1ea3n l\u00fd t\u1ea5t c\u1ea3 c\u00e1c t\u00ean mi\u1ec1n c\u00e1 nh\u00e2n ho\u1eb7c doanh nghi\u1ec7p t\u1ea1i m\u1ed9t v\u00e0i nh\u00e0 \u0111\u0103ng k\u00fd c\u00f3 uy t\u00edn, nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n v\u00e0 b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc do qu\u00ean m\u1ea5t. H\u00e3y \u0111\u1ea3m b\u1ea3o b\u1eadt ch\u1ee9c n\u0103ng t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n \u2013 \u0111\u00e2y l\u00e0 bi\u1ec7n ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng t\u00ean mi\u1ec1n h\u1ebft h\u1ea1n m\u1ed9t c\u00e1ch kh\u00f4ng mong mu\u1ed1n. \u0110\u1ed3ng th\u1eddi, h\u00e3y ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 xem ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n li\u00ean k\u1ebft v\u1edbi t\u00e0i kho\u1ea3n c\u00f3 c\u00f2n ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng, v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng email \u0111\u0103ng k\u00fd c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng b\u00e1o gia h\u1ea1n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

Th\u00f4ng tin t\u00ean mi\u1ec1n v\u00e0 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0<\/h3>\n\n\n\n

Th\u00f4ng tin WHOIS (bao g\u1ed3m t\u00ean, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, email, \u0111\u1ecba ch\u1ec9) \u0111\u01b0\u1ee3c \u0111i\u1ec1n khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c 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 v\u00e0 nh\u1eadn th\u01b0 r\u00e1c, cu\u1ed9c g\u1ecdi \u0111i\u1ec7n qu\u1ea5y r\u1ed1i. Nhi\u1ec1u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n cung c\u1ea5p d\u1ecbch v\u1ee5 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 mi\u1ec5n ph\u00ed, gi\u00fap thay th\u1ebf th\u00f4ng tin th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n b\u1eb1ng th\u00f4ng tin \u1ea3o (proxy information), t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. B\u1ea1n n\u00ean k\u00edch ho\u1ea1t t\u00ednh n\u0103ng n\u00e0y ngay khi \u0111\u0103ng k\u00fd ho\u1eb7c truy c\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

H\u01b0\u1edbng d\u1eabn c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt t\u00ean mi\u1ec1n<\/h2>\n\n\n\n

B\u1ea3o m\u1eadt t\u00ean mi\u1ec1n l\u00e0 tuy\u1ebfn ph\u00f2ng th\u1ee7 \u0111\u1ea7u ti\u00ean trong an ninh m\u1ea1ng; m\u1ed9t khi t\u00ean mi\u1ec1n b\u1ecb chi\u1ebfm \u0111o\u1ea1t ho\u1eb7c s\u1eeda \u0111\u1ed5i, n\u00f3 c\u00f3 th\u1ec3 khi\u1ebfn trang web kh\u00f4ng th\u1ec3 truy c\u1eadp \u0111\u01b0\u1ee3c ho\u1eb7c d\u1eef li\u1ec7u b\u1ecb r\u00f2 r\u1ec9.<\/p>\n\n\n\n

K\u00edch ho\u1ea1t b\u1ea3o v\u1ec7 DNSSEC<\/h3>\n\n\n\n

DNSSEC cung c\u1ea5p m\u1ed9t c\u01a1 ch\u1ebf \u0111\u1ec3 x\u00e1c minh xem c\u00e1c ph\u1ea3n h\u1ed3i DNS c\u00f3 ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng b\u1ecb s\u1eeda \u0111\u1ed5i hay kh\u00f4ng, b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c ch\u1eef k\u00fd s\u1ed1 v\u00e0o d\u1eef li\u1ec7u DNS. N\u00f3 gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c trang web kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng c\u1ee7a k\u1ebb trung gian nh\u01b0 vi\u1ec7c \u0111\u1ea7u \u0111\u1ed9c b\u1ed9 \u0111\u1ec7m DNS. Ng\u00e0y c\u00e0ng nhi\u1ec1u nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 DNS h\u1ed7 tr\u1ee3 c\u1ea5u h\u00ecnh DNSSEC. M\u1eb7c d\u00f9 qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp c\u00f3 \u0111\u00f4i ch\u00fat ph\u1ee9c t\u1ea1p v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, nh\u01b0ng \u0111\u1ed1i v\u1edbi c\u00e1c trang web y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ea3o m\u1eadt cao, ch\u1eb3ng h\u1ea1n nh\u01b0 trong l\u0129nh v\u1ef1c t\u00e0i ch\u00ednh hay th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed, vi\u1ec7c k\u00edch ho\u1ea1t DNSSEC l\u00e0 m\u1ed9t b\u01b0\u1edbc c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng an ninh.<\/p>\n\n\n\n

Mekanisme B\u1ea3o M\u1eadt v\u00e0 Kh\u00f3a T\u00e0i Kho\u1ea3n<\/h3>\n\n\n\n

T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n: S\u1eed d\u1ee5ng m\u1eadt kh\u1ea9u c\u00f3 \u0111\u1ed9 m\u1ea1nh cao v\u00e0 duy nh\u1ea5t, \u0111\u1ed3ng th\u1eddi k\u00edch ho\u1ea1t x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 (two-factor authentication). H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u1ec1u cung c\u1ea5p t\u00ednh n\u0103ng \u201cKh\u00f3a t\u00ean mi\u1ec1n\u201d (Registry Lock); khi b\u1eadt t\u00ednh n\u0103ng n\u00e0y, m\u1ecdi thao t\u00e1c quan tr\u1ecdng nh\u01b0 chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n ho\u1eb7c thay \u0111\u1ed5i th\u00f4ng tin \u0111\u1ec1u y\u00eau c\u1ea7u th\u00eam b\u01b0\u1edbc x\u00e1c th\u1ef1c b\u1ed5 sung, gi\u00fap l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 b\u1ecb hacker chi\u1ebfm \u0111o\u1ea1t t\u00ean mi\u1ec1n tr\u00e1i ph\u00e9p. Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra l\u1ecbch s\u1eed \u0111\u0103ng nh\u1eadp v\u00e0 nh\u1eadt k\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u00e0i kho\u1ea3n \u0111\u1ec3 ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng.<\/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

Ph\u00f2ng ng\u1eeba l\u1eeba \u0111\u1ea3o tr\u1ef1c tuy\u1ebfn v\u00e0 h\u00e0nh vi gian l\u1eadn<\/h3>\n\n\n\n

H\u00e3y c\u1ea3nh gi\u00e1c v\u1edbi c\u00e1c email ho\u1eb7c cu\u1ed9c g\u1ecdi l\u1eeba \u0111\u1ea3o li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c th\u00f4ng b\u00e1o gia h\u1ea1n gi\u1ea3 m\u1ea1o ho\u1eb7c x\u00e1c nh\u1eadn vi\u1ec7c chuy\u1ec3n nh\u01b0\u1ee3ng t\u00ean mi\u1ec1n. M\u1ecdi thao t\u00e1c li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n \u0111\u1ec1u n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u1ef1c ti\u1ebfp b\u1eb1ng c\u00e1ch \u0111\u0103ng nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng qu\u1ea3n tr\u1ecb ch\u00ednh th\u1ee9c \u0111\u1ec3 ki\u1ec3m tra th\u00f4ng tin. \u0110\u1eebng bao gi\u1edd nh\u1ea5p v\u00e0o c\u00e1c li\u00ean k\u1ebft trong nh\u1eefng email \u0111\u00e1ng ng\u1edd. H\u00e3y ghi ch\u00e9p l\u1ea1i c\u00e1c ng\u00e0y quan tr\u1ecdng li\u00ean quan \u0111\u1ebfn t\u00ean mi\u1ec1n \u0111\u1ec3 bi\u1ebft r\u00f5 t\u00ecnh h\u00ecnh, nh\u1eb1m ng\u0103n<\/p>\n\n\n\n

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

T\u00ean mi\u1ec1n, v\u1edbi vai tr\u00f2 l\u00e0 l\u1ed1i v\u00e0o ch\u00ednh c\u1ee7a internet, y\u00eau c\u1ea7u qu\u1ea3n l\u00fd to\u00e0n b\u1ed9 v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c t\u1ed5ng h\u1ee3p c\u00e1c kh\u00eda c\u1ea1nh nh\u01b0 ho\u1ea1ch \u0111\u1ecbnh chi\u1ebfn l\u01b0\u1ee3c, c\u1ea5u h\u00ecnh k\u1ef9 thu\u1eadt v\u00e0 v\u1eadn h\u00e0nh b\u1ea3o m\u1eadt. Qu\u00e1 tr\u00ecnh b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n v\u00e0 ph\u1ea7n m\u1edf r\u1ed9ng ph\u00f9 h\u1ee3p, ti\u1ebfp theo l\u00e0 hi\u1ec3u s\u00e2u v\u1ec1 nguy\u00ean l\u00fd gi\u1ea3i m\u00e3 DNS v\u00e0 th\u1ef1c hi\u1ec7n c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c; sau \u0111\u00f3 l\u00e0 qu\u1ea3n l\u00fd t\u1eadp trung, t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n, b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u00e1 nh\u00e2n nh\u1eb1m \u0111\u1ea3m b\u1ea3o v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3; v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 x\u00e2y d\u1ef1ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nh\u01b0 DNSSEC, t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n, v.v. M\u1ed7i b\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. N\u1eafm v\u1eefng h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 t\u1eeb vi\u1ec7c \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u1ebfn c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt s\u1ebd gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd \u201cb\u1ea3n s\u1eafc k\u1ef9 thu\u1eadt s\u1ed1\u201d c\u1ee7a m\u00ecnh, t\u1eeb \u0111\u00f3 t\u1ea1o n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng kinh doanh tr\u1ef1c tuy\u1ebfn.<\/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, bao l\u00e2u th\u00ec c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng?<\/h3>\n\n\n\n

T\u00ean mi\u1ec1n sau khi \u0111\u0103ng k\u00fd th\u00e0nh c\u00f4ng th\u01b0\u1eddng c\u1ea7n 24 \u0111\u1ebfn 48 gi\u1edd \u0111\u1ec3 c\u00f3 hi\u1ec7u l\u1ef1c tr\u00ean to\u00e0n c\u1ea7u. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 DNS propagation. Trong th\u1eddi gian n\u00e0y, ng\u01b0\u1eddi d\u00f9ng \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c nhau c\u00f3 th\u1ec3 th\u1ea5y k\u1ebft qu\u1ea3 ph\u00e2n gi\u1ea3i c\u0169 v\u00e0 m\u1edbi xen k\u1ebd, \u0111\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n

Th\u1ebf n\u00e0o l\u00e0 chi\u1ebfm \u0111o\u1ea1t t\u00ean mi\u1ec1n v\u00e0 l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ph\u00f2ng ng\u1eeba?<\/h3>\n\n\n\n

Vi\u1ec7c chi\u1ebfm \u0111o\u1ea1t t\u00ean mi\u1ec1n (domain name hijacking) x\u1ea3y ra khi k\u1ebb t\u1ea5n c\u00f4ng s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c b\u1ea5t h\u1ee3p ph\u00e1p \u0111\u1ec3 \u0111o\u1ea1t quy\u1ec1n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n, t\u1eeb \u0111\u00f3 thay \u0111\u1ed5i c\u00e1c b\u1ea3n ghi DNS (Domain Name System) v\u00e0 chuy\u1ec3n h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp v\u00e0o trang web c\u1ee7a b\u1ea1n \u0111\u1ebfn c\u00e1c trang web \u0111\u1ed9c h\u1ea1i. C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba ch\u00ednh bao g\u1ed3m: k\u00edch ho\u1ea1t x\u00e1c th\u1ef1c hai y\u1ebfu t\u1ed1 cho t\u00e0i kho\u1ea3n qu\u1ea3n tr\u1ecb, thi\u1ebft l\u1eadp ch\u1ee9c n\u0103ng kh\u00f3a t\u00ean mi\u1ec1n, th\u01b0\u1eddng xuy\u00ean thay \u0111\u1ed5i m\u1eadt kh\u1ea9u ph\u1ee9c t\u1ea1p, c\u1ea3nh gi\u00e1c v\u1edbi c\u00e1c email l\u1eeba \u0111\u1ea3o, v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho email \u0111\u00e3 \u0111\u0103ng k\u00fd \u0111\u1ec3 qu\u1ea3n l\u00fd t\u00ean mi<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa record CNAME v\u00e0 record A l\u00e0 g\u00ec, v\u00e0 ch\u00fang ta n\u00ean ch\u1ecdn lo\u1ea1i n\u00e0o?<\/h3>\n\n\n\n

Lo\u1ea1i A ghi nh\u1eadn r\u1eb1ng t\u00ean mi\u1ec1n tr\u1ecf th\u1eb3ng \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u1ed9t m\u00e1y ch\u1ee7, gi\u00fap qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft \u0111\u1ecba ch\u1ec9 (DNS) di\u1ec5n ra nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t. Lo\u1ea1i CNAME ghi nh\u1eadn r\u1eb1ng t\u00ean mi\u1ec1n l\u00e0 t\u00ean g\u1ecdi kh\u00e1c (alias) c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c; \u0111\u1ecba ch\u1ec9 IP th\u1ef1c s\u1ef1 s\u1ebd \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi t\u00ean mi\u1ec1n \u0111\u00f3. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 CDN, l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y, ho\u1eb7c GitHub Pages, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i CNAME theo y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. N\u1ebfu m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ecba ch\u1ec9 IP c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u1ed9c l\u1eadp, th\u00ec vi\u1ec7c s\u1eed d\u1ee5ng lo\u1ea1i A s\u1ebd mang l\u1ea1i t\u00ednh tr\u1ef1c ti\u1ebfp v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n\n\n\n

Th\u1eddi gian chu\u1ed9c l\u1ea1i t\u00ean mi\u1ec1n sau khi h\u1ebft h\u1ea1n l\u00e0 bao l\u00e2u?<\/h3>\n\n\n\n

T\u00ean mi\u1ec1n s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng ngay sau khi h\u1ebft h\u1ea1n. Th\u00f4ng th\u01b0\u1eddng, c\u00f3 m\u1ed9t kho\u1ea3ng th\u1eddi gian gia h\u1ea1n l\u00e0 30 ng\u00e0y, trong \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 gia h\u1ea1n t\u00ean mi\u1ec1n v\u1edbi m\u1ee9c gi\u00e1 ban \u0111\u1ea7u. Khi kho\u1ea3ng th\u1eddi gian gia h\u1ea1n k\u1ebft th\u00fac, t\u00ean mi\u1ec1n s\u1ebd b\u01b0\u1edbc v\u00e0o giai \u0111o\u1ea1n \u201ckh\u00f4i ph\u1ee5c\u201d k\u00e9o d\u00e0i kho\u1ea3ng 30 ng\u00e0y n\u1eefa; trong giai \u0111o\u1ea1n n\u00e0y, n\u1ebfu b\u1ea1n mu\u1ed1n kh\u00f4i ph\u1ee5c t\u00ean mi\u1ec1n, b\u1ea1n s\u1ebd ph\u1ea3i tr\u1ea3 m\u1ed9t kho\u1ea3n ph\u00ed kh\u00e1 cao. Sau khi giai \u0111o\u1ea1n kh\u00f4i ph\u1ee5c k\u1ebft th\u00fac, t\u00ean mi\u1ec1n s\u1ebd b\u1ecb x\u00f3a c\u00f4ng khai v\u00e0 m\u1edf l\u1ea1i cho vi\u1ec7c \u0111\u0103ng k\u00fd m\u1edbi.<\/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

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u00ean mi\u1ec1n t\u1eeb m\u1ed9t nh\u00e0 \u0111\u0103ng k\u00fd sang nh\u00e0 \u0111\u0103ng k\u00fd kh\u00e1c?<\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi chuy\u1ec3n c\u1ea7n \u0111\u1ea3m b\u1ea3o: t\u00ean mi\u1ec1n \u0111\u00e3 \u0111\u0103ng k\u00fd h\u01a1n 60 ng\u00e0y, \u0111ang \u1edf tr\u1ea1ng th\u00e1i kh\u00f4ng b\u1ecb kh\u00f3a v\u00e0 \u0111\u00e3 l\u1ea5y m\u00e3 \u1ee7y quy\u1ec1n chuy\u1ec3n t\u00ean mi\u1ec1n. N\u1ed9p \u0111\u01a1n xin chuy\u1ec3n \u0111\u1ebfn v\u00e0 thanh to\u00e1n ph\u00ed t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd m\u1edbi, sau \u0111\u00f3 x\u00e1c nh\u1eadn email x\u00e1c nh\u1eadn chuy\u1ec3n t\u1eeb nh\u00e0 \u0111\u0103ng k\u00fd c\u0169. Qu\u00e1 tr\u00ecnh chuy\u1ec3n th\u01b0\u1eddng m\u1ea5t 5 \u0111\u1ebfn 7 ng\u00e0y, trong th\u1eddi gian n\u00e0y vi\u1ec7c ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n th\u01b0\u1eddng kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>","protected":false},"excerpt":{"rendered":"

B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u c\u00f3 h\u1ec7 th\u1ed1ng to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh t\u1eeb \u0111\u0103ng k\u00fd \u0111\u1ebfn c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt cho t\u00ean mi\u1ec1n. N\u1ed9i dung bao g\u1ed3m chi\u1ebfn l\u01b0\u1ee3c l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n v\u00e0 h\u1eadu t\u1ed1, nguy\u00ean l\u00fd c\u1ed1t l\u00f5i c\u1ee7a ph\u00e2n gi\u1ea3i DNS v\u00e0 c\u1ea5u h\u00ecnh b\u1ea3n ghi, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t nh\u01b0 qu\u1ea3n l\u00fd t\u1eadp trung v\u00e0 gia h\u1ea1n t\u1ef1 \u0111\u1ed9ng, c\u00f9ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 b\u1ea3o m\u1eadt quan tr\u1ecdng nh\u01b0 k\u00edch ho\u1ea1t DNSSEC v\u00e0 kh\u00f3a b\u1ea3o m\u1eadt t\u00e0i kho\u1ea3n, t\u1ea1o n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho v\u1eadn h\u00e0nh website.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[],"knowledge_category":[279],"class_list":["post-12383788","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\u914d\u7f6e\uff0c\u57df\u540d\u7ba1\u7406\uff0c\u57df\u540d\u5b89\u5168\uff0cDNSSEC\u9632\u62a4\uff0c\u57df\u540d\u9009\u62e9\u7b56\u7565\uff0c\u57df\u540d\u9690\u79c1\u4fdd\u62a4"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12383788","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\/12383788\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12383788"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12383788"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12383788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}