{"id":15736,"date":"2024-06-19T23:07:30","date_gmt":"2024-06-19T16:07:30","guid":{"rendered":"https:\/\/blog.tinohost.com\/?p=1105"},"modified":"2025-06-16T16:20:16","modified_gmt":"2025-06-16T09:20:16","slug":"name-servers-la-gi","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/name-servers-la-gi\/","title":{"rendered":"Name Servers l\u00e0 g\u00ec? C\u00e1ch tr\u1ecf Domain b\u1eb1ng Name Servers"},"content":{"rendered":"\n

Khi mua t\u00ean mi\u1ec1n <\/a>\u0111\u1ec3 tr\u1ecf v\u1ec1 website<\/a>, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t ph\u1ea7n \u0111\u01b0\u1ee3c ghi l\u00e0 Name Servers. V\u1eady c\u00f4ng d\u1ee5ng c\u1ee7a ph\u1ea7n n\u00e0y ra sao? Trong b\u00e0i vi\u1ebft n\u00e0y, TinoHost s\u1ebd c\u00f9ng<\/strong> b\u1ea1n t\u00ecm hi\u1ec3u c\u1ee5 th\u1ec3 Name Servers l\u00e0 g\u00ec c\u00f9ng nh\u01b0 c\u00e1ch thay \u0111\u1ed5i Name Servers cho t\u00ean mi\u1ec1n c\u1ee7a m\u00ecnh.<\/strong><\/p>\n\n\n\n

T\u00ecm hi\u1ec3u v\u1ec1 Name Servers<\/strong><\/h2>\n\n\n\n

H\u1ecfi:<\/em> Khi g\u00f5 m\u1ed9t t\u00ean mi\u1ec1n, b\u1ea1n s\u1ebd v\u00e0o \u0111\u01b0\u1ee3c website m\u00ecnh mu\u1ed1n truy c\u1eadp. V\u1eady qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng \u1ea5y c\u1ee7a t\u00ean mi\u1ec1n website di\u1ec5n ra nh\u01b0 th\u1ebf n\u00e0o? <\/p>\n\n\n\n

\u0110\u00e1p:<\/em> \u0110\u00f3 ch\u00ednh l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i b\u1edfi c\u00e1c Name Servers ho\u1eb7c Nameserver (m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n) d\u1ef1a theo h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNS<\/a>).<\/p>\n\n\n\n

Name Servers l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n

M\u1ed7i website \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1ed9t \u0111\u1ecba ch\u1ec9 IP<\/a>. Khi mu\u1ed1n truy c\u1eadp v\u00e0o website n\u00e0o, b\u1ea1n c\u1ea7n g\u00f5 IP v\u00e0o thanh tr\u00ecnh duy\u1ec7t. V\u00ec IP c\u1ef1c k\u00ec kh\u00f3 hi\u1ec3u v\u00e0 kh\u00f3 nh\u1edb n\u00ean “t\u00ean mi\u1ec1n” \u0111\u00e3 ra \u0111\u1eddi \u0111\u1ec3 gi\u00fap ch\u00fang ta thu\u1eadn ti\u1ec7n h\u01a1n.<\/p>\n\n\n\n

Tuy nhi\u00ean, t\u00ean mi\u1ec1n kh\u00f4ng th\u1ec3 thay th\u1ebf \u0111\u1ecba ch\u1ec9 IP m\u00e0 ch\u1ec9 c\u00f3 nhi\u1ec7m v\u1ee5 l\u00e0m trung gian \u0111\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP b\u1ea1n mu\u1ed1n truy c\u1eadp. Ch\u00ednh v\u00ec v\u1eady, c\u1ea7n c\u00f3 m\u1ed9t m\u00e1y ch\u1ee7 \u0111\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh chuy\u1ec3n d\u1ecbch t\u1eeb t\u00ean mi\u1ec1n sang \u0111\u1ecba ch\u1ec9 IP v\u00e0 m\u00e1y ch\u1ee7 \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Name Servers (ho\u1eb7c DNS Server) \u2013 m\u00e1y ch\u1ee7 t\u00ean mi\u1ec1n.<\/p>\n\n\n

\n
\"name-servers-la-gi\"
Name Servers l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<\/div>\n\n\n

\u0110\u00f4i n\u00e9t v\u1ec1 IP v\u00e0 Server<\/strong><\/h3>\n\n\n\n

IP l\u00e0 g\u00ec?<\/strong><\/h4>\n\n\n\n

IP <\/strong>hay \u0111\u1ecba ch\u1ec9 IP<\/a> <\/strong>l\u00e0 m\u1ed9t d\u00e3y s\u1ed1 kh\u00f3 nh\u1edb d\u00f9ng \u0111\u1ec3 \u201c\u0111\u1ecbnh danh\u201d m\u1ed9t t\u00e0i nguy\u00ean tr\u00ean m\u1ea1ng internet. D\u00e3y s\u1ed1 n\u00e0y r\u1ea5t kh\u00f3 nh\u1edb v\u00e0 kh\u00f4ng th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng. Do \u0111\u00f3, ch\u00fang ta s\u1ebd c\u1ea7n m\u1ed9t t\u00ean mi\u1ec1n v\u1edbi k\u00fd t\u1ef1 d\u1ec5 nh\u1edb h\u01a1n \u0111\u1ec3 t\u00ecm ki\u1ebfm.<\/p>\n\n\n\n

Tuy nhi\u00ean, t\u00ean mi\u1ec1n kh\u00f4ng ph\u1ea3i d\u00f9ng \u0111\u1ec3 truy c\u1eadp v\u00e0o IP m\u00e0 c\u00f2n c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t h\u1ec7 th\u1ed1ng trung gian \u0111\u1ec3 \u201cd\u1ecbch\u201d t\u1eeb t\u00ean mi\u1ec1n sang IP v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n

Server l\u00e0 g\u00ec?<\/strong><\/h4>\n\n\n\n

Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n: Server <\/strong>l\u00e0 n\u01a1i \u0111\u1ec3 l\u01b0u tr\u1eef, cung c\u1ea5p v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u r\u1ed3i chuy\u1ec3n \u0111\u1ebfn c\u00e1c m\u00e1y tr\u1ea1m li\u00ean t\u1ee5c 24\/7\/365 cho ng\u01b0\u1eddi d\u00f9ng hay m\u1ed9t t\u1ed5 ch\u1ee9c qua m\u1ea1ng LAN ho\u1eb7c Internet. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 Server t\u1ea1i b\u00e0i vi\u1ebft: Server l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i m\u00e1y ch\u1ee7 ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/a>.<\/p>\n\n\n\n

Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a Name Servers<\/strong><\/h3>\n\n\n\n

Nameserver duy tr\u00ec m\u1ed9t th\u01b0 m\u1ee5c c\u1ee7a t\u00ean mi\u1ec1n <\/strong>ph\u00f9 h\u1ee3p v\u1edbi m\u1ed9t s\u1ed1 \u0111\u1ecba ch\u1ec9 IP (m\u00e1y t\u00ednh). Nh\u1eefng th\u00f4ng tin t\u1eeb t\u1ea5t c\u1ea3 c\u00e1c t\u00ean tr\u00ean m\u1ea1ng Internet \u0111\u01b0\u1ee3c t\u1eadp h\u1ee3p trong m\u1ed9t trung t\u00e2m \u0111\u0103ng k\u00fd. Do \u0111\u00f3, Name Servers c\u00f3 th\u1ec3 cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng \u0111\u1ec3 truy c\u1eadp v\u00e0o trang web b\u1eb1ng m\u1ed9t t\u00ean mi\u1ec1n quen thu\u1ed9c, thay v\u00ec ph\u1ea3i nh\u1edb m\u1ed9t lo\u1ea1t d\u00e3y s\u1ed1 ph\u1ee9c t\u1ea1p c\u1ee7a \u0111\u1ecba ch\u1ec9 IP.<\/p>\n\n\n\n

Nameservers tr\u00ean m\u1ea1ng c\u00f3 th\u1ec3 truy c\u1eadp th\u00f4ng tin<\/strong> t\u1ea1i c\u00e1c trung t\u00e2m \u0111\u0103ng k\u00fd l\u00ean \u0111\u1ebfn 8 gi\u1edd<\/strong> sau khi \u0111\u0103ng k\u00fd c\u00e1c lo\u1ea1i t\u00ean mi\u1ec1n qu\u1ed1c t\u1ebf .COM<\/a> v\u00e0 .NET<\/a> th\u1eddi gian c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt l\u00ean \u0111\u1ebfn 48 gi\u1edd cho t\u1ea5t c\u1ea3 c\u00e1c t\u00ean mi\u1ec1n kh\u00e1c m\u1edf r\u1ed9ng (subdomain<\/a>). \u0110\u00e2y l\u00e0 kho\u1ea3ng th\u1eddi gian \u0111\u01b0\u1ee3c g\u1ecdi t\u1eaft l\u00e0 c\u1eadp nh\u1eadt th\u00f4ng tin gi\u1eefa c\u00e1c Nameserver v\u1edbi nhau.<\/p>\n\n\n\n

N\u1ebfu DNS server  \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 n\u00f3i v\u1ec1 h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 c\u00f3 ch\u1ee9c n\u0103ng DNS domain th\u00ec Name Servers  l\u00e0 \u0111\u1ecba ch\u1ec9 c\u1ee7a c\u1ee5m m\u00e1y ch\u1ee7 DNS (DNS server). <\/p>\n\n\n

\n
\"nhung-dac-diem-quan-trong-cua-name-servers\"
h\u1eefng \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a Name Servers<\/figcaption><\/figure>\n<\/div>\n\n\n

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Name Servers<\/strong><\/h3>\n\n\n\n