{"id":15778,"date":"2019-04-28T22:20:22","date_gmt":"2019-04-28T15:20:22","guid":{"rendered":"https:\/\/blog.tinohost.com\/?p=1510"},"modified":"2026-10-28T11:40:11","modified_gmt":"2026-10-28T04:40:11","slug":"gtlds-la-gi","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/gtlds-la-gi\/","title":{"rendered":"gTLD l\u00e0 g\u00ec? Ph\u00e2n bi\u1ec7t TLD, gTLD, ccTLD v\u00e0 new gTLD"},"content":{"rendered":"\n

gTLD (generic top-level domain, t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t d\u00f9ng chung) l\u00e0 nh\u00f3m \u0111u\u00f4i t\u00ean mi\u1ec1n kh\u00f4ng g\u1eafn v\u1edbi qu\u1ed1c gia n\u00e0o, nh\u01b0 .com, .net, .org, .info hay .xyz.<\/strong> gTLD l\u00e0 m\u1ed9t lo\u1ea1i TLD, t\u1ee9c ph\u1ea7n n\u1eb1m sau d\u1ea5u ch\u1ea5m cu\u1ed1i c\u00f9ng c\u1ee7a t\u00ean mi\u1ec1n; nh\u00f3m l\u1edbn c\u00f2n l\u1ea1i l\u00e0 ccTLD, \u0111u\u00f4i theo m\u00e3 qu\u1ed1c gia nh\u01b0 .vn, .us, .jp.<\/p>\n\n\n\n

N\u1ebfu ch\u01b0a r\u00f5 kh\u00e1i ni\u1ec7m t\u00ean mi\u1ec1n, b\u1ea1n xem tr\u01b0\u1edbc b\u00e0i t\u00ean mi\u1ec1n l\u00e0 g\u00ec<\/a>. Danh s\u00e1ch c\u00e1c \u0111u\u00f4i th\u01b0\u1eddng d\u00f9ng \u1edf Vi\u1ec7t Nam (.vn, .com.vn, .id.vn\u2026) c\u00f3 \u1edf b\u00e0i c\u00e1c lo\u1ea1i t\u00ean mi\u1ec1n v\u00e0 \u0111u\u00f4i t\u00ean mi\u1ec1n ph\u1ed5 bi\u1ebfn<\/a>. B\u00e0i n\u00e0y \u0111i s\u00e2u v\u00e0o ph\u1ea7n \u0111u\u00f4i c\u1ea5p cao nh\u1ea5t: TLD l\u00e0 g\u00ec, gTLD v\u00e0 ccTLD kh\u00e1c nhau ra sao, new gTLD l\u00e0 g\u00ec v\u00e0 \u0111u\u00f4i t\u00ean mi\u1ec1n c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi SEO kh\u00f4ng.<\/p>\n\n\n\n

TLD (Top-Level Domain) l\u00e0 g\u00ec?<\/h2>\n\n\n\n

TLD (top-level domain, t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t) l\u00e0 nh\u00e3n cu\u1ed1i c\u00f9ng b\u00ean ph\u1ea3i c\u1ee7a t\u00ean mi\u1ec1n, nh\u01b0 “vn” trong tino.vn hay “com” trong example.com, c\u00f2n g\u1ecdi l\u00e0 \u0111u\u00f4i t\u00ean mi\u1ec1n. M\u1ed7i TLD do m\u1ed9t \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd (registry) v\u1eadn h\u00e0nh v\u00e0 \u0111\u01b0\u1ee3c ghi trong v\u00f9ng g\u1ed1c DNS do IANA qu\u1ea3n l\u00fd.<\/p>\n\n\n\n

Theo Root Zone Database c\u1ee7a IANA<\/a> (t\u00ednh \u0111\u1ebfn 10\/2026, truy c\u1eadp 27\/10\/2026) c\u00f3 1.437 TLD \u0111ang ho\u1ea1t \u0111\u1ed9ng: 1.127 TLD lo\u1ea1i generic, 309 TLD m\u00e3 qu\u1ed1c gia v\u00e0 1 TLD h\u1ea1 t\u1ea7ng l\u00e0 .arpa. Khi tr\u00ecnh duy\u1ec7t c\u1ea7n t\u00ecm m\u1ed9t t\u00ean mi\u1ec1n, m\u00e1y ch\u1ee7 g\u1ed1c ch\u1ec9 tr\u1ea3 l\u1eddi “\u0111u\u00f4i n\u00e0y do m\u00e1y ch\u1ee7 n\u00e0o qu\u1ea3n l\u00fd”; ph\u1ea7n tra c\u1ee9u ti\u1ebfp theo do m\u00e1y ch\u1ee7 c\u1ee7a TLD v\u00e0 name server<\/a> c\u1ee7a t\u00ean mi\u1ec1n \u0111\u1ea3m nh\u1eadn (xem th\u00eam DNS l\u00e0 g\u00ec<\/a>).<\/p>\n\n\n\n

\"S\u01a1<\/figure>\n\n\n\n

gTLD l\u00e0 g\u00ec?<\/h2>\n\n\n\n

gTLD l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a generic top-level domains, t\u1ea1m d\u1ecbch l\u00e0 t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t d\u00f9ng chung: c\u00e1c \u0111u\u00f4i kh\u00f4ng \u0111\u1ea1i di\u1ec7n cho qu\u1ed1c gia n\u00e0o. \u0110a s\u1ed1 m\u1edf cho m\u1ecdi c\u00e1 nh\u00e2n, t\u1ed5 ch\u1ee9c \u0111\u0103ng k\u00fd qua nh\u00e0 \u0111\u0103ng k\u00fd; m\u1ed9t s\u1ed1 \u00edt ch\u1ec9 d\u00e0nh cho \u0111\u1ed1i t\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh nh\u01b0 .edu, .gov.<\/p>\n\n\n\n

Nh\u00f3m gTLD \u0111\u1ea7u ti\u00ean ra \u0111\u1eddi n\u0103m 1985, khi h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c d\u00f9ng tr\u00ean m\u1ea1ng ARPANET (ti\u1ec1n th\u00e2n c\u1ee7a Internet), g\u1ed3m .com, .edu, .gov, .mil, .net v\u00e0 .org; .int \u0111\u01b0\u1ee3c th\u00eam n\u0103m 1988. Ch\u00fang gi\u00fap ph\u00e2n nh\u00f3m c\u00e1c m\u00e1y v\u00e0 t\u1ed5 ch\u1ee9c \u0111\u1ea7u ti\u00ean tr\u00ean m\u1ea1ng theo lo\u1ea1i h\u00ecnh ho\u1ea1t \u0111\u1ed9ng. L\u1ecbch s\u1eed ra \u0111\u1eddi c\u1ee7a DNS c\u00f3 \u1edf b\u00e0i m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a vi\u1ec7c \u0111\u01b0a ra t\u00ean mi\u1ec1n<\/a>.<\/p>\n\n\n\n

C\u00e1c gTLD ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd<\/h3>\n\n\n\n

\u00dd ngh\u0129a ban \u0111\u1ea7u c\u1ee7a nhi\u1ec1u gTLD \u0111\u00e3 kh\u00f4ng c\u00f2n l\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u0103ng k\u00fd: .com, .net, .org, .info hi\u1ec7n m\u1edf cho m\u1ecdi ng\u01b0\u1eddi. B\u1ea3ng d\u01b0\u1edbi ghi \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd theo IANA v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u0103ng k\u00fd hi\u1ec7n t\u1ea1i.<\/p>\n\n\n\n

\u0110u\u00f4i<\/th>\u00dd ngh\u0129a ban \u0111\u1ea7u<\/th>Ai \u0111\u0103ng k\u00fd \u0111\u01b0\u1ee3c<\/th>\u0110\u01a1n v\u1ecb qu\u1ea3n l\u00fd (registry)<\/th><\/tr><\/thead>
.com<\/td>commercial, th\u01b0\u01a1ng m\u1ea1i<\/td>M\u1ecdi ng\u01b0\u1eddi<\/td>VeriSign<\/td><\/tr>
.net<\/td>network, m\u1ea1ng l\u01b0\u1edbi<\/td>M\u1ecdi ng\u01b0\u1eddi<\/td>VeriSign<\/td><\/tr>
.org<\/td>organization, t\u1ed5 ch\u1ee9c<\/td>M\u1ecdi ng\u01b0\u1eddi (hay d\u00f9ng cho t\u1ed5 ch\u1ee9c phi l\u1ee3i nhu\u1eadn)<\/td>Public Interest Registry<\/td><\/tr>
.info<\/td>information, th\u00f4ng tin<\/td>M\u1ecdi ng\u01b0\u1eddi<\/td>Identity Digital<\/td><\/tr>
.biz<\/td>business, kinh doanh<\/td>M\u1ee5c \u0111\u00edch kinh doanh<\/td>Registry Services, LLC<\/td><\/tr>
.edu<\/td>education, gi\u00e1o d\u1ee5c<\/td>C\u01a1 s\u1edf gi\u00e1o d\u1ee5c sau ph\u1ed5 th\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh t\u1ea1i M\u1ef9<\/td>EDUCAUSE<\/td><\/tr>
.gov<\/td>government, ch\u00ednh ph\u1ee7<\/td>C\u01a1 quan ch\u00ednh ph\u1ee7 M\u1ef9<\/td>CISA (M\u1ef9)<\/td><\/tr>
.xyz<\/td>kh\u00f4ng mang ngh\u0129a ri\u00eang<\/td>M\u1ecdi ng\u01b0\u1eddi<\/td>XYZ.COM LLC<\/td><\/tr><\/tbody><\/table>
\u0110\u01a1n v\u1ecb qu\u1ea3n l\u00fd theo Root Zone Database c\u1ee7a IANA, truy c\u1eadp 27\/10\/2026.<\/figcaption><\/figure>\n\n\n\n

\u00dd ngh\u0129a v\u00e0 c\u00e1ch d\u00f9ng t\u1eebng \u0111u\u00f4i c\u00f3 \u1edf b\u00e0i t\u00ean mi\u1ec1n .org l\u00e0 g\u00ec<\/a> v\u00e0 t\u00ean mi\u1ec1n .net c\u00f3 \u00fd ngh\u0129a g\u00ec<\/a>.<\/p>\n\n\n\n

gTLD \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3 v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3<\/h3>\n\n\n\n

ICANN chia gTLD truy\u1ec1n th\u1ed1ng th\u00e0nh hai nh\u00f3m theo c\u00e1ch \u0111\u1eb7t quy \u0111\u1ecbnh \u0111\u0103ng k\u00fd. Nh\u00f3m \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3 (sponsored) c\u00f3 m\u1ed9t t\u1ed5 ch\u1ee9c \u0111\u1ea1i di\u1ec7n cho c\u1ed9ng \u0111\u1ed3ng s\u1eed d\u1ee5ng \u0111\u1eb7t \u0111i\u1ec1u ki\u1ec7n; nh\u00f3m kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3 (unsponsored) v\u1eadn h\u00e0nh theo ch\u00ednh s\u00e1ch chung c\u1ee7a ICANN v\u00e0 th\u01b0\u1eddng m\u1edf cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n

\u0110\u1ec3 c\u00f3 gTLD \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3<\/strong>, b\u1ea1n ph\u1ea3i \u0111\u00e1p \u1ee9ng \u0111i\u1ec1u ki\u1ec7n do t\u1ed5 ch\u1ee9c t\u00e0i tr\u1ee3 \u0111\u1eb7t ra. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 l\u00e0 .gov (d\u00e0nh cho c\u01a1 quan ch\u00ednh ph\u1ee7 Hoa K\u1ef3), .int (d\u00e0nh cho t\u1ed5 ch\u1ee9c qu\u1ed1c t\u1ebf \u0111\u01b0\u1ee3c l\u1eadp theo \u0111i\u1ec1u \u01b0\u1edbc gi\u1eefa c\u00e1c ch\u00ednh ph\u1ee7), .aero (ng\u00e0nh h\u00e0ng kh\u00f4ng) v\u00e0 .jobs (trang tuy\u1ec3n d\u1ee5ng c\u1ee7a doanh nghi\u1ec7p).<\/p>\n\n\n\n

C\u00e1c gTLD kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e0i tr\u1ee3<\/strong> nh\u01b0 .com, .net, .org, .info v\u1eadn h\u00e0nh theo ch\u00ednh s\u00e1ch do ICANN<\/a> x\u00e2y d\u1ef1ng. Ban \u0111\u1ea7u ch\u00fang c\u0169ng g\u1ee3i \u00fd m\u1ed9t nh\u00f3m \u0111\u1ed1i t\u01b0\u1ee3ng, v\u00ed d\u1ee5 .com cho c\u00f4ng ty, .net cho nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng, nh\u01b0ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u00e3 d\u1ea7n b\u1ecb b\u1ecf v\u00e0 nay h\u1ea7u h\u1ebft m\u1edf cho c\u00e1 nh\u00e2n, doanh nghi\u1ec7p, t\u1ed5 ch\u1ee9c.<\/p>\n\n\n\n

New gTLD l\u00e0 g\u00ec?<\/h3>\n\n\n\n

New gTLD l\u00e0 c\u00e1c \u0111u\u00f4i t\u00ean mi\u1ec1n m\u1edbi \u0111\u01b0\u1ee3c th\u00eam qua ch\u01b0\u01a1ng tr\u00ecnh m\u1edf r\u1ed9ng gTLD c\u1ee7a ICANN, nh\u01b0 .xyz, .online, .shop, .tech hay \u0111u\u00f4i th\u01b0\u01a1ng hi\u1ec7u .google. Th\u00e1ng 6\/2011, H\u1ed9i \u0111\u1ed3ng qu\u1ea3n tr\u1ecb ICANN th\u00f4ng qua ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y; v\u00f2ng nh\u1eadn \u0111\u01a1n m\u1edf ng\u00e0y 12\/01\/2012 v\u00e0 nh\u1eadn 1.930 \u0111\u01a1n, c\u00e1c new gTLD \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o v\u00f9ng g\u1ed1c t\u1eeb th\u00e1ng 10\/2013.<\/p>\n\n\n\n

Theo trang ch\u01b0\u01a1ng tr\u00ecnh New gTLD c\u1ee7a ICANN<\/a>, b\u00ean xin c\u1ea5p m\u1ed9t gTLD m\u1edbi ph\u1ea3i l\u00e0 t\u1ed5 ch\u1ee9c \u0111\u00e3 th\u00e0nh l\u1eadp h\u1ee3p ph\u00e1p v\u00e0 ch\u1ee9ng minh n\u0103ng l\u1ef1c v\u1eadn h\u00e0nh registry; c\u00e1 nh\u00e2n kh\u00f4ng t\u1ef1 xin c\u1ea5p \u0111u\u00f4i ri\u00eang \u0111\u01b0\u1ee3c. Ng\u01b0\u1eddi d\u00f9ng b\u00ecnh th\u01b0\u1eddng ch\u1ec9 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n d\u01b0\u1edbi c\u00e1c \u0111u\u00f4i m\u1edbi n\u00e0y qua nh\u00e0 \u0111\u0103ng k\u00fd, gi\u1ed1ng nh\u01b0 v\u1edbi .com.<\/p>\n\n\n\n

Khi ch\u1ecdn m\u1ed9t new gTLD, n\u00ean xem gi\u00e1 gia h\u1ea1n ch\u1ee9 kh\u00f4ng ch\u1ec9 gi\u00e1 n\u0103m \u0111\u1ea7u, v\u00ec nhi\u1ec1u \u0111u\u00f4i m\u1edbi c\u00f3 gi\u00e1 gia h\u1ea1n kh\u00e1c gi\u00e1 \u0111\u0103ng k\u00fd l\u1ea7n \u0111\u1ea7u. M\u1ed9t s\u1ed1 \u0111u\u00f4i m\u1edbi c\u0169ng \u00edt quen thu\u1ed9c v\u1edbi ng\u01b0\u1eddi d\u00f9ng Vi\u1ec7t Nam, n\u00ean c\u00e2n nh\u1eafc n\u1ebfu kh\u00e1ch h\u00e0ng c\u1ee7a b\u1ea1n hay g\u00f5 \u0111\u1ecba ch\u1ec9 b\u1eb1ng tay.<\/p>\n\n\n\n

ccTLD l\u00e0 g\u00ec?<\/h2>\n\n\n\n

ccTLD (country code top-level domain, t\u00ean mi\u1ec1n c\u1ea5p cao nh\u1ea5t m\u00e3 qu\u1ed1c gia) l\u00e0 \u0111u\u00f4i t\u00ean mi\u1ec1n \u0111\u1ea1i di\u1ec7n cho m\u1ed9t qu\u1ed1c gia ho\u1eb7c v\u00f9ng l\u00e3nh th\u1ed5, th\u01b0\u1eddng g\u1ed3m hai ch\u1eef c\u00e1i theo chu\u1ea9n ISO 3166-1, nh\u01b0 .vn, .us, .jp. M\u1ed7i ccTLD do m\u1ed9t c\u01a1 quan c\u1ee7a n\u01b0\u1edbc \u0111\u00f3 qu\u1ea3n l\u00fd v\u00e0 c\u00f3 quy \u0111\u1ecbnh \u0111\u0103ng k\u00fd ri\u00eang.<\/p>\n\n\n\n

V\u1edbi .vn, IANA ghi \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd l\u00e0 Trung t\u00e2m Internet Vi\u1ec7t Nam (VNNIC<\/a>). Trong 309 ccTLD hi\u1ec7n c\u00f3, 61 \u0111u\u00f4i l\u00e0 IDN ccTLD, vi\u1ebft b\u1eb1ng ch\u1eef b\u1ea3n \u0111\u1ecba nh\u01b0 .\u0440\u0444 (Nga) hay .\u4e2d\u56fd (Trung Qu\u1ed1c). M\u1ed9t v\u00e0i ngo\u1ea1i l\u1ec7: V\u01b0\u01a1ng qu\u1ed1c Anh d\u00f9ng .uk d\u00f9 m\u00e3 ISO l\u00e0 GB, c\u00f2n .eu l\u00e0 \u0111u\u00f4i c\u1ee7a Li\u00ean minh ch\u00e2u \u00c2u.<\/p>\n\n\n\n

\"\u1ea2nh<\/figure>\n\n\n\n

\u1ea2nh ch\u1ee5p Root Zone Database c\u1ee7a IANA ng\u00e0y 27\/10\/2026: c\u1ed9t Type cho bi\u1ebft \u0111u\u00f4i n\u00e0o l\u00e0 gTLD (Generic), \u0111u\u00f4i n\u00e0o l\u00e0 ccTLD (Country Code).<\/em><\/p>\n\n\n\n

ccTLD cho c\u1ea3 ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm bi\u1ebft website h\u01b0\u1edbng t\u1edbi kh\u00e1ch truy c\u1eadp \u1edf m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3. V\u00ed d\u1ee5, Google d\u00f9ng google.com l\u00e0m trang chung, c\u00f2n c\u00f3 b\u1ea3n google.co.uk cho ng\u01b0\u1eddi d\u00f9ng \u1edf V\u01b0\u01a1ng qu\u1ed1c Anh v\u00e0 google.de cho ng\u01b0\u1eddi d\u00f9ng \u1edf \u0110\u1ee9c.<\/p>\n\n\n\n

M\u1ed9t s\u1ed1 ccTLD \u0111\u01b0\u1ee3c d\u00f9ng nh\u01b0 \u0111u\u00f4i chung v\u00ec ngh\u0129a c\u1ee7a ch\u1eef: .io (L\u00e3nh th\u1ed5 \u1ea4n \u0110\u1ed9 D\u01b0\u01a1ng thu\u1ed9c Anh) ph\u1ed5 bi\u1ebfn v\u1edbi c\u00f4ng ty c\u00f4ng ngh\u1ec7, .ai (Anguilla) v\u1edbi s\u1ea3n ph\u1ea9m tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, .gg (Guernsey) v\u1edbi c\u1ed9ng \u0111\u1ed3ng game (xem t\u00ean mi\u1ec1n .gg c\u00f3 \u00fd ngh\u0129a g\u00ec<\/a>). D\u00f9 v\u1eady, quy \u0111\u1ecbnh \u0111\u0103ng k\u00fd v\u00e0 gi\u00e1 c\u1ee7a ch\u00fang v\u1eabn do \u0111\u01a1n v\u1ecb qu\u1ea3n l\u00fd c\u1ee7a v\u00f9ng l\u00e3nh th\u1ed5 \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh.<\/p>\n\n\n\n

gTLD v\u00e0 ccTLD kh\u00e1c nhau th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

gTLD v\u00e0 ccTLD kh\u00e1c nhau ch\u1ee7 y\u1ebfu \u1edf ph\u1ea1m vi, \u0111\u01a1n v\u1ecb \u0111\u1eb7t quy \u0111\u1ecbnh v\u00e0 t\u00edn hi\u1ec7u \u0111\u1ecba l\u00fd. gTLD d\u00f9ng chung to\u00e0n c\u1ea7u theo ch\u00ednh s\u00e1ch c\u1ee7a ICANN; ccTLD g\u1eafn v\u1edbi m\u1ed9t qu\u1ed1c gia, do c\u01a1 quan c\u1ee7a n\u01b0\u1edbc \u0111\u00f3 qu\u1ea3n l\u00fd v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm hi\u1ec3u l\u00e0 website nh\u1eafm t\u1edbi n\u01b0\u1edbc \u0111\u00f3.<\/p>\n\n\n\n

Ti\u00eau ch\u00ed<\/th>gTLD (.com, .net, .org\u2026)<\/th>ccTLD (.vn, .us, .jp\u2026)<\/th><\/tr><\/thead>
Ph\u1ea1m vi<\/td>To\u00e0n c\u1ea7u, kh\u00f4ng g\u1eafn qu\u1ed1c gia<\/td>M\u1ed9t qu\u1ed1c gia ho\u1eb7c v\u00f9ng l\u00e3nh th\u1ed5<\/td><\/tr>
\u0110\u01a1n v\u1ecb \u0111\u1eb7t quy \u0111\u1ecbnh<\/td>Registry theo h\u1ee3p \u0111\u1ed3ng v\u00e0 ch\u00ednh s\u00e1ch c\u1ee7a ICANN<\/td>C\u01a1 quan qu\u1ea3n l\u00fd c\u1ee7a n\u01b0\u1edbc \u0111\u00f3, v\u00ed d\u1ee5 VNNIC v\u1edbi .vn<\/td><\/tr>
\u0110i\u1ec1u ki\u1ec7n \u0111\u0103ng k\u00fd<\/td>\u0110a s\u1ed1 m\u1edf cho m\u1ecdi ng\u01b0\u1eddi<\/td>Tu\u1ef3 n\u01b0\u1edbc: c\u00f3 n\u01b0\u1edbc m\u1edf r\u1ed9ng, c\u00f3 n\u01b0\u1edbc y\u00eau c\u1ea7u c\u01b0 tr\u00fa ho\u1eb7c c\u00f3 hi\u1ec7n di\u1ec7n<\/td><\/tr>
T\u00edn hi\u1ec7u \u0111\u1ecba l\u00fd v\u1edbi Google<\/td>Kh\u00f4ng; nh\u1eafm qu\u1ed1c gia b\u1eb1ng hreflang v\u00e0 n\u1ed9i dung<\/td>T\u00edn hi\u1ec7u m\u1ea1nh v\u1ec1 qu\u1ed1c gia m\u1ee5c ti\u00eau (tr\u1eeb m\u1ed9t s\u1ed1 ccTLD Google x\u1eed l\u00fd nh\u01b0 gTLD)<\/td><\/tr>
V\u00ed d\u1ee5 ph\u00f9 h\u1ee3p<\/td>Th\u01b0\u01a1ng hi\u1ec7u h\u01b0\u1edbng ra nhi\u1ec1u n\u01b0\u1edbc<\/td>Doanh nghi\u1ec7p t\u1eadp trung th\u1ecb tr\u01b0\u1eddng m\u1ed9t n\u01b0\u1edbc<\/td><\/tr><\/tbody><\/table>
T\u1ed5ng h\u1ee3p theo IANA, ICANN v\u00e0 t\u00e0i li\u1ec7u Google Search Central, truy c\u1eadp 27\/10\/2026.<\/figcaption><\/figure>\n\n\n\n

V\u00ed d\u1ee5, m\u1ed9t s\u1ed1 ccTLD \u0111\u1eb7t \u0111i\u1ec1u ki\u1ec7n ri\u00eang cho ng\u01b0\u1eddi \u0111\u0103ng k\u00fd: .us y\u00eau c\u1ea7u c\u00f3 li\u00ean h\u1ec7 v\u1edbi Hoa K\u1ef3 (l\u01b0u \u00fd khi \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n .us<\/a>). V\u1edbi l\u1ef1a ch\u1ecdn quen thu\u1ed9c \u1edf Vi\u1ec7t Nam, b\u00e0i s\u1ef1 kh\u00e1c nhau gi\u1eefa t\u00ean mi\u1ec1n .com v\u00e0 .vn<\/a> so s\u00e1nh chi ti\u1ebft h\u01a1n.<\/p>\n\n\n\n

\u0110u\u00f4i t\u00ean mi\u1ec1n c\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi SEO kh\u00f4ng?<\/h2>\n\n\n\n

\u0110u\u00f4i t\u00ean mi\u1ec1n g\u1ea7n nh\u01b0 kh\u00f4ng l\u00e0m t\u0103ng hay gi\u1ea3m th\u1ee9 h\u1ea1ng; n\u00f3 \u1ea3nh h\u01b0\u1edfng t\u1edbi t\u00edn hi\u1ec7u qu\u1ed1c gia m\u1ee5c ti\u00eau v\u00e0 m\u1ee9c tin t\u01b0\u1edfng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. N\u0103m 2015, Google cho bi\u1ebft t\u1eeb kho\u00e1 trong TLD (nh\u01b0 .seo, .hosting) kh\u00f4ng t\u1ea1o l\u1ee3i th\u1ebf hay b\u1ea5t l\u1ee3i trong t\u00ecm ki\u1ebfm (Google Search Central Blog<\/a>).<\/p>\n\n\n\n

Theo h\u01b0\u1edbng d\u1eabn trang \u0111a khu v\u1ef1c c\u1ee7a Google<\/a> (truy c\u1eadp 27\/10\/2026), ccTLD l\u00e0 t\u00edn hi\u1ec7u m\u1ea1nh r\u1eb1ng website nh\u1eafm t\u1edbi m\u1ed9t qu\u1ed1c gia. Google coi m\u1ed9t s\u1ed1 ccTLD nh\u01b0 gTLD v\u00ec ng\u01b0\u1eddi d\u00f9ng th\u1ea5y ch\u00fang mang ngh\u0129a chung: .ad, .ai, .as, .bz, .cc, .cd, .co, .dj, .fm, .io, .la, .me, .ms, .nu, .sc, .sr, .su, .tv, .tk, .ws; .eu v\u00e0 .asia c\u0169ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 gTLD. Danh s\u00e1ch n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i.<\/p>\n\n\n\n

V\u00ec v\u1eady, website b\u1eb1ng ti\u1ebfng Vi\u1ec7t cho kh\u00e1ch trong n\u01b0\u1edbc d\u00f9ng .vn s\u1ebd c\u00f3 t\u00edn hi\u1ec7u \u0111\u1ecba l\u00fd r\u00f5; website d\u00f9ng .com hay .io mu\u1ed1n nh\u1eafm Vi\u1ec7t Nam th\u00ec c\u1ea7n n\u1ed9i dung ti\u1ebfng Vi\u1ec7t, hreflang khi c\u00f3 nhi\u1ec1u phi\u00ean b\u1ea3n ng\u00f4n ng\u1eef v\u00e0 th\u00f4ng tin li\u00ean h\u1ec7 t\u1ea1i Vi\u1ec7t Nam.<\/p>\n\n\n\n

N\u00ean ch\u1ecdn gTLD hay ccTLD?<\/h2>\n\n\n\n

Ch\u1ecdn ccTLD .vn khi kh\u00e1ch h\u00e0ng ch\u1ee7 y\u1ebfu \u1edf Vi\u1ec7t Nam v\u00e0 b\u1ea1n mu\u1ed1n t\u00ean mi\u1ec1n th\u1ec3 hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3; ch\u1ecdn gTLD nh\u01b0 .com khi th\u01b0\u01a1ng hi\u1ec7u h\u01b0\u1edbng ra nhi\u1ec1u n\u01b0\u1edbc. Nhi\u1ec1u doanh nghi\u1ec7p \u0111\u0103ng k\u00fd c\u1ea3 hai \u0111\u1ec3 gi\u1eef th\u01b0\u01a1ng hi\u1ec7u, d\u00f9ng m\u1ed9t t\u00ean mi\u1ec1n ch\u00ednh v\u00e0 chuy\u1ec3n h\u01b0\u1edbng t\u00ean mi\u1ec1n c\u00f2n l\u1ea1i v\u1ec1 \u0111\u00f3.<\/p>\n\n\n\n