{"id":12370644,"date":"2026-03-15T14:42:59","date_gmt":"2026-03-15T06:42:59","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%9f%9f%e5%90%8d%e6%96%b0%e6%89%8b%e5%85%a5%e9%97%a8%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e8%b4%ad%e4%b9%b0%e5%88%b0%e8%a7%a3%e6%9e%90%e7%9a%84%e5%ae%8c%e6%95%b4%e6%b5%81%e7%a8%8b%e4%b8%8e%e5%ae%9e\/"},"modified":"2026-03-15T14:57:44","modified_gmt":"2026-03-15T06:57:44","slug":"domain-beginners-guide-from-purchase-to-dns-setup","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/domain\/domain-beginners-guide-from-purchase-to-dns-setup\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1edbi t\u00ean mi\u1ec1n: Quy tr\u00ecnh \u0111\u1ea7y \u0111\u1ee7 t\u1eeb mua \u0111\u1ebfn gi\u1ea3i quy\u1ebft v\u00e0 c\u00e1c m\u1eb9o th\u1ef1c h\u00e0nh"},"content":{"rendered":"

\u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u n\u00e0o mu\u1ed1n x\u00e2y d\u1ef1ng \u201c\u0111\u1ecba ch\u1ec9 web\u201d (t\u00ean mi\u1ec1n) cho trang web c\u1ee7a m\u00ecnh tr\u00ean internet, vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 t\u00ean mi\u1ec1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00f4 c\u00f9ng quan tr\u1ecdng. T\u00ean mi\u1ec1n kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ecba ch\u1ec9 c\u1ee7a trang web, m\u00e0 c\u00f2n l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng cho th\u01b0\u01a1ng hi\u1ec7u, m\u1ee9c \u0111\u1ed9 chuy\u00ean nghi\u1ec7p v\u00e0 uy t\u00edn c\u1ee7a b\u1ea1n tr\u00ean m\u1ea1ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n t\u1eebng b\u01b0\u1edbc c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh t\u1eeb vi\u1ec7c l\u00ean \u00fd t\u01b0\u1edfng, mua t\u00ean mi\u1ec1n, c\u1ea5u h\u00ecnh cho \u0111\u1ebfn khi n\u00f3 ch\u00ednh th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ed3ng th\u1eddi chia s\u1ebb nh\u1eefng m\u1eb9o th\u1ef1c h\u00e0nh quan tr\u1ecdng \u0111\u1ec3 gi\u00fap b\u1ea1n tr\u00e1nh nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh tr\u00ean th\u1ebf gi\u1edbi tr\u1ef1c tuy\u1ebfn m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

T\u00ean mi\u1ec1n l\u00e0 g\u00ec v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh c\u00e1c thao t\u00e1c chi ti\u1ebft, ch\u00fang ta c\u1ea7n hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a t\u00ean mi\u1ec1n (domain name). T\u00ean mi\u1ec1n l\u00e0 nh\u1eefng \u0111\u1ecbnh danh d\u1ea1ng k\u00fd t\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean Internet \u0111\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a c\u00e1c m\u00e1y t\u00ednh. N\u00f3 gi\u00fap ch\u00fang ta d\u1ec5 d\u00e0ng ghi nh\u1edb v\u00e0 s\u1eed d\u1ee5ng thay v\u00ec nh\u1eefng \u0111\u1ecba ch\u1ec9 IP ph 192.0.2.1<\/code>Chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t chu\u1ed7i k\u00fd t\u1ef1 d\u1ec5 nh\u1edb v\u00e0 th\u00e2n thi\u1ec7n h\u01a1n (v\u00ed d\u1ee5: example.com<\/code>\uff09\u3002<\/p>\n\n\n\n

Ph\u00e2n t\u00edch c\u1ea5u tr\u00fac t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

M\u1ed9t t\u00ean mi\u1ec1n ho\u00e0n ch\u1ec9nh bao g\u1ed3m nhi\u1ec1u ph\u1ea7n, \u0111\u01b0\u1ee3c \u0111\u1ecdc t\u1eeb ph\u1ea3i sang tr\u00e1i. www.example.com<\/code> V\u00ed d\u1ee5:
\n\u2013 T\u00ean mi\u1ec1n c\u1ea5p cao (Top-level domain): Ph\u1ea7n n\u1eb1m b\u00ean ph\u1ea3i c\u00f9ng, v\u00ed d\u1ee5 nh\u01b0\u2026 .com<\/code>\u3001.net<\/code>\u3001.cn<\/code>\u3001.org<\/code>N\u00f3 \u0111\u1ea1i di\u1ec7n cho lo\u1ea1i t\u00ean mi\u1ec1n ho\u1eb7c qu\u1ed1c gia\/khu v\u1ef1c.
\n\u2013 Mi\u1ec1n c\u1ea5p hai (Secondary domain): Ph\u1ea7n n\u1eb1m ngay b\u00ean tr\u00e1i mi\u1ec1n c\u1ea5p cao (Top-level domain), v\u00ed d\u1ee5 nh\u01b0\u2026 example<\/code>\u0110\u00e2y l\u00e0 t\u00ean c\u1ed1t l\u00f5i m\u00e0 b\u1ea1n \u0111\u00e3 \u0111\u0103ng k\u00fd v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh; n\u00f3 ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ea1i di\u1ec7n cho th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a b\u1ea1n.
\n\u2013 T\u00ean mi\u1ec1n con: Ph\u1ea7n n\u1eb1m b\u00ean tr\u00e1i c\u00f9ng, v\u00ed d\u1ee5 nh\u01b0\u2026 www<\/code>\u0110\u00f3 l\u00e0 s\u1ef1 ph\u00e2n chia ti\u1ebfp theo c\u1ee7a t\u00ean mi\u1ec1n c\u1ea5p hai, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u1ecf \u0111\u1ebfn c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a m\u1ed9t trang web (v\u00ed d\u1ee5: blog.example.com<\/code>\u3001shop.example.com<\/code>\uff09\u3002<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (Domain Name System \u2013 DNS) ho\u1ea1t \u0111\u1ed9ng th\u00f4ng qua m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 tr\u00ean to\u00e0n c\u1ea7u. Khi b\u1ea1n nh\u1eadp m\u1ed9t t\u00ean mi\u1ec1n v\u00e0o tr\u00ecnh duy\u1ec7t, h\u1ec7 th\u1ed1ng s\u1ebd truy v\u1ea5n c\u00e1c m\u00e1y ch\u1ee7 DNS, ti\u1ebfn h\u00e0nh gi\u1ea3i m\u00e3 t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 t\u00ecm ra \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng, t\u1eeb \u0111\u00f3 k\u1ebft n\u1ed1i b\u1ea1n v\u1edbi trang web m\u1ee5c ti\u00eau.<\/p>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn v\u00e0 mua m\u1ed9t t\u00ean mi\u1ec1n ph\u00f9 h\u1ee3p?<\/h2>\n\n\n\n

Vi\u1ec7c ch\u1ecdn m\u1ed9t t\u00ean mi\u1ec1n t\u1ed1t \u0111\u00e3 chi\u1ebfm m\u1ed9t n\u1eeda ch\u1eb7ng \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn th\u00e0nh c\u00f4ng. T\u00ean mi\u1ec1n \u0111\u00f3 n\u00ean ng\u1eafn g\u1ecdn, d\u1ec5 nh\u1edb, d\u1ec5 \u0111\u00e1nh v\u1ea7n, v\u00e0 ph\u1ea3n \u00e1nh \u0111\u01b0\u1ee3c th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c ng\u00e0nh ngh\u1ec1 c\u1ee7a b\u1ea1n.<\/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

Nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i khi l\u1ef1a ch\u1ecdn t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

1. Ng\u1eafn g\u1ecdn v\u00e0 d\u1ec5 nh\u1edb: Tr\u00e1nh nh\u1eefng t\u1eeb c\u00f3 c\u00e1ch vi\u1ebft qu\u00e1 d\u00e0i ho\u1eb7c ph\u1ee9c t\u1ea1p. \u0110\u1ed9 d\u00e0i l\u00fd t\u01b0\u1edfng n\u00ean n\u1eb1m trong kho\u1ea3ng 6\u201314 k\u00fd t\u1ef1.
\n2. Li\u00ean quan \u0111\u1ebfn th\u01b0\u01a1ng hi\u1ec7u: H\u00e3y c\u1ed1 g\u1eafng \u0111\u01b0a t\u00ean th\u01b0\u01a1ng hi\u1ec7u ho\u1eb7c c\u00e1c t\u1eeb kh\u00f3a ch\u00ednh v\u00e0o n\u1ed9i dung, \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 li\u00ean t\u01b0\u1edfng \u0111\u1ebfn doanh nghi\u1ec7p c\u1ee7a b\u1ea1n ngay l\u1eadp t\u1ee9c.
\n3. Tr\u00e1nh s\u1ef1 nh\u1ea7m l\u1eabn: H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn c\u00e1ch s\u1eed d\u1ee5ng d\u1ea5u g\u1ea1ch ch\u00e9o (-). M\u1eb7c d\u00f9 \u0111\u00f4i khi n\u00f3 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c t\u00ean mi\u1ec1n mong mu\u1ed1n, nh\u01b0ng khi truy\u1ec1n \u0111\u1ea1t b\u1eb1ng l\u1eddi n\u00f3i, \u0111i\u1ec1u n\u00e0y d\u1ec5 g\u00e2y ra s\u1ef1 hi\u1ec3u l\u1ea7m (v\u00ed d\u1ee5: \u201cmy-site\u201d hay \u201cmysite\u201d?).
\n4. Ch\u1ecdn t\u00ean mi\u1ec1n c\u1ea5p cao (top-level domain) ph\u00f9 h\u1ee3p:.com<\/code> N\u00f3 v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c trang web th\u01b0\u01a1ng m\u1ea1i, b\u1edfi v\u00ec n\u00f3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i nh\u1ea5t. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng \u00e1n ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m kinh doanh c\u1ee7a m\u00ecnh. .net<\/code>(M\u1ea1ng l\u01b0\u1edbi).org<\/code>(T\u1ed5 ch\u1ee9c), ho\u1eb7c c\u00e1c t\u00ean mi\u1ec1n c\u1ea5p cao d\u00f9ng m\u00e3 qu\u1ed1c gia nh\u01b0\u2026 .cn<\/code>(Trung Qu\u1ed1c).<\/p>\n\n\n\n

Quy tr\u00ecnh \u0111\u0103ng k\u00fd v\u00e0 mua t\u00ean mi\u1ec1n<\/h3>\n\n\n\n

1. Ki\u1ec3m tra t\u00ednh kh\u1ea3 d\u1ee5ng: S\u1eed d\u1ee5ng trang web c\u1ee7a nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n (ch\u1eb3ng h\u1ea1n nh\u01b0 Alibaba Cloud Wanwang, Tencent Cloud DNSPod, GoDaddy, v.v.) \u0111\u1ec3 t\u00ecm ki\u1ebfm t\u00ean mi\u1ec1n m\u00e0 b\u1ea1n mu\u1ed1n xem li\u1ec7u n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd hay ch\u01b0a.
\n2. Ch\u1ecdn nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n: H\u00e3y so s\u00e1nh gi\u00e1 c\u1ea3, chi ph\u00ed gia h\u1ea1n, giao di\u1ec7n qu\u1ea3n l\u00fd v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng c\u1ee7a c\u00e1c nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n kh\u00e1c nhau.
\n3. Ho\u00e0n t\u1ea5t \u0111\u0103ng k\u00fd: T\u1ea1o t\u00e0i kho\u1ea3n t\u1ea1i nh\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c ch\u1ecdn, th\u00eam t\u00ean mi\u1ec1n v\u00e0o gi\u1ecf h\u00e0ng, v\u00e0 ho\u00e0n th\u00e0nh quy tr\u00ecnh mua h\u00e0ng. Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n s\u1ebd c\u1ea7n cung c\u1ea5p th\u00f4ng tin c\u00e1 nh\u00e2n h\u1ee3p l\u1ec7 v\u00e0 ch\u00ednh x\u00e1c.
\n4. L\u01b0u \u00fd v\u1ec1 chu k\u1ef3 \u0111\u0103ng k\u00fd: T\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c thu\u00ea theo n\u0103m, ch\u1ee9 kh\u00f4ng ph\u1ea3i mua v\u0129nh vi\u1ec5n. C\u00e1c chu k\u1ef3 \u0111\u0103ng k\u00fd ph\u1ed5 bi\u1ebfn l\u00e0 1 n\u0103m, 2 n\u0103m ho\u1eb7c l\u00e2u h\u01a1n. H\u00e3y \u0111\u1ea3m b\u1ea3o b\u1eadt t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng gia h\u1ea1n ho\u1eb7c ghi nh\u1edb ng\u00e0y h\u1ebft h\u1ea1n \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng t\u00ean mi\u1ec1n b\u1ecb h\u1ebft h\u1ea1n v\u00e0 b\u1ecb ng\u01b0\u1eddi kh\u00e1c \u0111\u0103ng k\u00fd tr\u01b0\u1edbc.<\/p>\n\n\n\n

C\u00e1c b\u01b0\u1edbc c\u1ea5u h\u00ecnh \u0111\u1ea7y \u0111\u1ee7 cho qu\u00e1 tr\u00ecnh gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (Domain Name Resolution \u2013 DNS):<\/h2>\n\n\n\n

Sau khi mua t\u00ean mi\u1ec1n, n\u00f3 ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t \u201ct\u00ean\u201d m\u00e0 th\u00f4i; b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u1ecbnh tuy\u1ebfn n\u00f3 \u0111\u1ebfn m\u00e1y ch\u1ee7 (kh\u00f4ng gian l\u01b0u tr\u1eef) n\u01a1i n\u1ed9i dung trang web c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 gi\u1ea3i quy\u1ebft t\u00ean mi\u1ec1n (domain name resolution).<\/p>\n\n\n\n

Hi\u1ec3u c\u00e1c lo\u1ea1i b\u1ea3n ghi DNS<\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n vi\u1ec7c c\u1ea5u h\u00ecnh v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c y\u00eau c\u1ea7u DNS, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 m\u1ed9t s\u1ed1 lo\u1ea1i b\u1ea3n ghi DNS quan tr\u1ecdng sau:
\n\u2013 Lo\u1ea1i b\u1ea3n ghi A: \u0110\u1ecbnh tuy\u1ebfn t\u00ean mi\u1ec1n \u0111\u1ebfn m\u1ed9t \u0111\u1ecba ch\u1ec9 IPv4. \u0110\u00e2y l\u00e0 lo\u1ea1i b\u1ea3n ghi ph\u1ed5 bi\u1ebfn nh\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 li\u00ean k\u1ebft t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n (v\u00ed d\u1ee5:\u2026) example.com<\/code>\u0110\u00f3 l\u00e0 \u0111\u1ecba ch\u1ec9 IP h\u01b0\u1edbng t\u1edbi m\u00e1y ch\u1ee7 trang web.
\n\u2013 CNAME (Canonical Name) record: D\u00f9ng \u0111\u1ec3 \u0111\u1ecbnh tuy\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n (domain name) \u0111\u1ebfn m\u1ed9t t\u00ean mi\u1ec1n kh\u00e1c, t\u1ea1o ra ch\u1ee9c n\u0103ng \u201ct\u00ean hi\u1ec7u\u201d (alias). Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3\u2026 www.example.com<\/code> \u0111\u1ebfn example.com<\/code>Ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c t\u00ean mi\u1ec1n con \u0111\u1ebfn c\u00e1c d\u1ecbch v\u1ee5 b\u00ean th\u1ee9 ba (ch\u1eb3ng h\u1ea1n nh\u01b0 CDN, l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y).
\n\u2013 MX (Mail Exchange) record: D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 ch\u1ecbu tr\u00e1ch nhi\u1ec7m nh\u1eadn email cho t\u00ean mi\u1ec1n \u0111\u00f3.
\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 minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n (ch\u1eb3ng h\u1ea1n trong c\u00e1c c\u00f4ng c\u1ee5 d\u00e0nh cho qu\u1ea3n tr\u1ecb vi\u00ean trang web, qu\u00e1 tr\u00ecnh x\u00e1c th\u1ef1c ch\u1ee9ng ch\u1ec9 SSL) ho\u1eb7c \u0111\u1ec3 thi\u1ebft l\u1eadp c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt email (nh\u01b0 SPF, DKIM).<\/p>\n\n\n\n

C\u1ea5u h\u00ecnh gi\u1ea3i m\u00e3 t\u1eebng b\u01b0\u1edbc<\/h3>\n\n\n\n

1. L\u1ea5y \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7: H\u00e3y y\u00eau c\u1ea7u nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef trang web c\u1ee7a b\u1ea1n cung c\u1ea5p \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7.
\n2. \u0110\u0103ng nh\u1eadp v\u00e0o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n l\u00fd t\u00ean mi\u1ec1n: Tr\u00ean trang web c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n m\u00e0 b\u1ea1n \u0111\u00e3 mua, t\u00ecm m\u1ee5c \u201cQu\u1ea3n l\u00fd t\u00ean mi\u1ec1n\u201d ho\u1eb7c \u201cQu\u1ea3n l\u00fd DNS\u201d.
\n3. Th\u00eam b\u1ea3n ghi A (A Record):
\n \u2013 Host record: H\u00e3y \u0111i\u1ec1n v\u00e0o th\u00f4ng tin c\u1ea7n thi\u1ebft. @<\/code>(\u0110\u1ea1i di\u1ec7n cho t\u00ean mi\u1ec1n ch\u00ednh) example.com<\/code>\uff09ho\u1eb7c www<\/code>(\u0110\u1ea1i di\u1ec7n cho) www.example.com<\/code>\uff09\u3002
\n Lo\u1ea1i b\u1ea3n ghi: Ch\u1ecdn A<\/code>\u3002
\n \u2013 Gi\u00e1 tr\u1ecb ghi nh\u1eadn: H\u00e3y nh\u1eadp \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n.
\n \u2013 TTL: H\u00e3y gi\u1eef nguy\u00ean gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh; n\u00f3 \u0111\u1ea1i di\u1ec7n cho th\u1eddi gian m\u00e0 th\u00f4ng tin \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt (l\u00e0m m\u1edbi) tr\u1edf n\u00ean h\u1ee3p l\u1ec7.
\n4. (T\u00f9y ch\u1ecdn) C\u1ea5u h\u00ecnh CNAME: Th\u00eam m\u1ed9t b\u1ea3n ghi m\u00e1y ch\u1ee7 (host record) v\u1edbi n\u1ed9i dung nh\u01b0 sau: www<\/code>Lo\u1ea1i: CNAME<\/code>Gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ghi l\u1ea1i l\u00e0\u2026 @<\/code> Ho\u1eb7c t\u00ean mi\u1ec1n g\u1ed1c c\u1ee7a b\u1ea1n (\u2026)example.com<\/code>V\u1eady l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp b\u1eb1ng c\u00e1ch n\u00e0y. www.example.com<\/code> N\u00f3 c\u0169ng s\u1ebd \u0111\u1ebfn c\u00f9ng m\u1ed9t trang web \u0111\u00f3.
\n5. L\u01b0u l\u1ea1i v\u00e0 ch\u1edd \u0111\u1ee3i cho \u0111\u1ebfn khi thay \u0111\u1ed5i c\u00f3 hi\u1ec7u l\u1ef1c: Vi\u1ec7c \u0111\u1ed3ng b\u1ed9 h\u00f3a c\u00e1c thay \u0111\u1ed5i v\u1ec1 b\u1ea3n ghi DNS tr\u00ean to\u00e0n c\u1ea7u m\u1ea5t th\u1eddi gian; qu\u00e1 tr\u00ecnh 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.<\/p>\n\n\n\n

Nh\u1eefng k\u1ef9 n\u0103ng th\u1ef1c h\u00e0nh quan tr\u1ecdng v\u00e0 nh\u1eefng c\u00e1i b\u1eaby th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

Sau khi n\u1eafm v\u1eefng c\u00e1c thao t\u00e1c c\u01a1 b\u1ea3n, nh\u1eefng k\u1ef9 n\u0103ng sau \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a m\u00ecnh t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

C\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 qu\u1ea3n l\u00fd<\/h3>\n\n\n\n