{"id":11949,"date":"2024-11-21T09:03:53","date_gmt":"2024-11-21T02:03:53","guid":{"rendered":"https:\/\/cloud.z.com\/vn\/?p=11949"},"modified":"2024-11-20T09:05:31","modified_gmt":"2024-11-20T02:05:31","slug":"a-record-dns","status":"publish","type":"post","link":"https:\/\/cloud.z.com\/vn\/en\/news\/a-record-dns\/","title":{"rendered":"Chi ti\u1ebft 3 c\u00e1ch qu\u1ea3n l\u00fd A Record DNS hi\u1ec7u qu\u1ea3 cho ng\u01b0\u1eddi m\u1edbi"},"content":{"rendered":"<p>A Record DNS (Address Record) l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng DNS, gi\u00fap \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n t\u1edbi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 A Record DNS v\u00e0 gi\u1edbi thi\u1ec7u 3 c\u00e1ch qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a ho\u1ea1t \u0111\u1ed9ng website.<\/p>\n<p><span style=\"color: #ffff00; font-size: 14pt;\"><cite style=\"margin: 0px; background-color: #4d94ff; border-top-left-radius: 2px; border-top-right-radius: 2px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">WordPress Hosting t\u1ed1c \u0111\u1ed9 cao - Ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t [ T\u1eb7ng mi\u1ec5n ph\u00ed tr\u1ecdn b\u1ed9 plugin SEO tr\u1ecb gi\u00e1 359$ ]<\/cite><\/span><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #cce0ff;\"><span style=\"color: #000000;\">+ <strong>Gi\u00e1 kh\u00f4ng th\u1ec3 t\u1ed1t h\u01a1n:<\/strong><\/span>\u00a0Ch\u1ec9 t\u1eeb <strong>3K\/ng\u00e0y<\/strong>\u00a0k\u00e8m nhi\u1ec1u \u01b0u \u0111\u00e3i ch\u1ec9 c\u00f3 t\u1ea1i TENTEN. <span style=\"color: #000000;\">+ <strong>T\u1eb7ng mi\u1ec5n ph\u00ed b\u1ed9 plugin SEO h\u1ed7 tr\u1ee3 website ONTOP Goole:<\/strong><\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Rank Math Pro - t\u1ed1i \u01b0u SEO<\/li>\n<li>WP rocket - T\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang<\/li>\n<li>Imagify - N\u00e9n dung l\u01b0\u1ee3ng \u1ea3nh<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">+ <strong>B\u1ea3o m\u1eadt 99,99%<\/strong><\/span> <span style=\"color: #000000;\">+ <strong>Backup d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean<\/strong><\/span> <span style=\"color: #000000;\">+ <strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/strong><\/span> <span style=\"color: #eded34;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #eded34; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066ff; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/hosting\/wordpress-hosting?code=XFviGsVgCtfDqAIz&amp;idCampaign=3361\">L\u1ef0A CH\u1eccN HOSTING PH\u00d9 H\u1ee2P T\u1ea0I \u0110\u00c2Y<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/zalo.me\/g\/xyaten398\">V\u00e0o nh\u00f3m Zalo \u0111\u1ec3 nh\u1eadn th\u00eam nhi\u1ec1u \u01b0u \u0111\u00e3i Hosting h\u01a1n n\u1eefa<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<h2><strong>A Record DNS l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>A Record (Address Record) l\u00e0 m\u1ed9t lo\u1ea1i b\u1ea3n ghi quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng DNS (Domain Name System). Nhi\u1ec7m v\u1ee5 c\u1ee7a A Record l\u00e0 \u00e1nh x\u1ea1 m\u1ed9t t\u00ean mi\u1ec1n c\u1ee5 th\u1ec3 \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng c\u1ee7a m\u00e1y ch\u1ee7, th\u01b0\u1eddng l\u00e0 \u0111\u1ecba ch\u1ec9 IPv4. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp website th\u00f4ng qua t\u00ean mi\u1ec1n d\u1ec5 nh\u1edb thay v\u00ec ph\u1ea3i nh\u1eadp \u0111\u1ecba ch\u1ec9 IP d\u00e0i v\u00e0 ph\u1ee9c t\u1ea1p.<\/p>\n<div id=\"attachment_25547\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-25547\" loading=\"lazy\" class=\"wp-image-25547\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-2.jpeg\" alt=\"A Record DNS l\u00e0 g\u00ec?\" width=\"1200\" height=\"600\" \/><p id=\"caption-attachment-25547\" class=\"wp-caption-text\">A Record DNS l\u00e0 g\u00ec?<\/p><\/div>\n<p>V\u00ed d\u1ee5: Khi b\u1ea1n nh\u1eadp \"example.com\" v\u00e0o tr\u00ecnh duy\u1ec7t, A Record s\u1ebd d\u1ecbch t\u00ean mi\u1ec1n n\u00e0y th\u00e0nh \u0111\u1ecba ch\u1ec9 IP nh\u01b0 \"192.168.1.1\" \u0111\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef website.<\/p>\n<h2><strong>Khi n\u00e0o c\u1ea7n s\u1eed d\u1ee5ng A Record?<\/strong><\/h2>\n<p>A Record \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n<ul>\n<li>Tra c\u1ee9u \u0111\u1ecba ch\u1ec9 IP: M\u1ed9t trong nh\u1eefng c\u00e1ch s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a c\u00e1c b\u1ea3n ghi A l\u00e0 \u0111\u1ec3 tra c\u1ee9u \u0111\u1ecba ch\u1ec9 IP, t\u1ee9c l\u00e0 kh\u1edbp t\u00ean mi\u1ec1n v\u1edbi \u0111\u1ecba ch\u1ec9 IPv4. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i v\u00e0 t\u1ea3i trang web m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i ghi nh\u1edb v\u00e0 nh\u1eadp \u0111\u1ecba ch\u1ec9 IP th\u1ef1c. Tr\u00ecnh duy\u1ec7t web c\u1ee7a ng\u01b0\u1eddi d\u00f9ng s\u1ebd t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch g\u1eedi m\u1ed9t truy v\u1ea5n t\u1edbi tr\u00ecnh ph\u00e2n gi\u1ea3i DNS.<\/li>\n<li>Danh s\u00e1ch l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt DNSBL: B\u1ea3n ghi A c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c v\u1eadn h\u00e0nh Danh s\u00e1ch l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt d\u1ef1a tr\u00ean h\u1ec7 th\u1ed1ng t\u00ean mi\u1ec1n (DNSBL). DNSBL c\u00f3 th\u1ec3 gi\u00fap c\u00e1c m\u00e1y ch\u1ee7 th\u01b0 x\u00e1c \u0111\u1ecbnh v\u00e0 ch\u1eb7n th\u01b0 email t\u1eeb c\u00e1c mi\u1ec1n g\u1eedi th\u01b0 r\u00e1c \u0111\u00e3 bi\u1ebft. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c email kh\u00f4ng mong mu\u1ed1n x\u00e2m nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng th\u01b0 \u0111i\u1ec7n t\u1eed c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n<h2><strong>\u0110\u1ecbnh d\u1ea1ng A Record <\/strong><\/h2>\n<p>C\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t b\u1ea3n ghi A tu\u00e2n theo chu\u1ea9n \u0111\u1ecbnh d\u1ea1ng c\u1ea5p cao nh\u1ea5t \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong RFC 1035. Ph\u1ea7n RDATA bao g\u1ed3m m\u1ed9t ph\u1ea7n t\u1eed duy nh\u1ea5t:<\/p>\n<ul>\n<li>\u0110\u1ecba ch\u1ec9: L\u00e0 \u0111\u1ecba ch\u1ec9 Internet 32 bit, \u0111\u1ea1i di\u1ec7n cho \u0111\u1ecba ch\u1ec9 IPv4.<\/li>\n<li>M\u00e1y ch\u1ee7 c\u00f3 nhi\u1ec1u \u0111\u1ecba ch\u1ec9 Internet s\u1ebd c\u00f3 nhi\u1ec1u b\u1ea3n ghi A t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<\/ul>\n<div id=\"attachment_25548\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-25548\" loading=\"lazy\" class=\"wp-image-25548\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-3.jpeg\" alt=\"\u0110\u1ecbnh d\u1ea1ng A Record\" width=\"1200\" height=\"600\" \/><p id=\"caption-attachment-25548\" class=\"wp-caption-text\">\u0110\u1ecbnh d\u1ea1ng A Record<\/p><\/div>\n<p>Trong DNSimple, b\u1ea3n ghi A \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n b\u1edfi c\u00e1c ph\u1ea7n t\u1eed c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh sau:<\/p>\n<ul>\n<li>T\u00ean: L\u00e0 t\u00ean m\u00e1y ch\u1ee7 l\u01b0u tr\u1eef cho b\u1ea3n ghi, kh\u00f4ng bao g\u1ed3m t\u00ean mi\u1ec1n ch\u00ednh, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ct\u00ean mi\u1ec1n ph\u1ee5\u201d. T\u00ean mi\u1ec1n ch\u00ednh s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng n\u1ed1i th\u00eam.<\/li>\n<li>TTL (Time to Live): Th\u1eddi gian t\u1ed3n t\u1ea1i t\u00ednh b\u1eb1ng gi\u00e2y, l\u00e0 kho\u1ea3ng th\u1eddi gian m\u00e0 tr\u00ecnh ph\u00e2n gi\u1ea3i DNS cho ph\u00e9p l\u01b0u b\u1ea3n ghi v\u00e0o b\u1ed9 nh\u1edb cache.<\/li>\n<li>\u0110\u1ecba ch\u1ec9 nh\u00e0: L\u00e0 \u0111\u1ecba ch\u1ec9 IPv4 m\u00e0 b\u1ea3n ghi A s\u1ebd tr\u1ecf t\u1edbi.<\/li>\n<\/ul>\n<p>\u0110\u1ecbnh d\u1ea1ng n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng DNS ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c ph\u00e2n gi\u1ea3i \u0111\u00fang \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n<h2><strong>Truy v\u1ea5n b\u1ea3n ghi A Record <\/strong><\/h2>\n<p>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 dig \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea3n ghi A li\u00ean k\u1ebft v\u1edbi m\u1ed9t t\u00ean mi\u1ec1n. K\u1ebft qu\u1ea3 truy v\u1ea5n s\u1ebd n\u1eb1m trong ph\u1ea7n ANSWER, bao g\u1ed3m t\u00ean mi\u1ec1n \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n (FQDN), th\u1eddi gian t\u1ed3n t\u1ea1i (TTL) v\u00e0 \u0111\u1ecba ch\u1ec9 IP.<\/p>\n<div id=\"attachment_25549\" style=\"width: 1210px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-25549\" loading=\"lazy\" class=\"wp-image-25549\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-4.jpeg\" alt=\"Truy v\u1ea5n b\u1ea3n ghi A Record\" width=\"1200\" height=\"600\" \/><p id=\"caption-attachment-25549\" class=\"wp-caption-text\">Truy v\u1ea5n b\u1ea3n ghi A Record<\/p><\/div>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5:<\/p>\n<p>$ dig A api.dnsimple.com<\/p>\n<p>; &lt;&lt;&gt;&gt; DiG 9.8.3-P1 &lt;&lt;&gt;&gt; A api.dnsimple.com<\/p>\n<p>;; global options: +cmd<\/p>\n<p>;; Got answer:<\/p>\n<p>;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 5792<\/p>\n<p>;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0<\/p>\n<p>;; QUESTION SECTION:<\/p>\n<p>;api.dnsimple.com. IN A<\/p>\n<p>;; ANSWER SECTION:<\/p>\n<p>api.dnsimple.com. 59 IN A 208.93.64.253<\/p>\n<p>;; Query time: 80 msec<\/p>\n<p>;; SERVER: 8.8.8.8#53(8.8.8.8)<\/p>\n<p>;; WHEN: Sun Jul 31 22:21:31 2016<\/p>\n<p>;; MSG SIZE rcvd: 50<\/p>\n<p>Trong v\u00ed d\u1ee5 tr\u00ean:<\/p>\n<ul>\n<li>QUESTION SECTION: Hi\u1ec3n th\u1ecb t\u00ean mi\u1ec1n \u0111\u01b0\u1ee3c truy v\u1ea5n (api.dnsimple.com) v\u00e0 lo\u1ea1i b\u1ea3n ghi (A).<\/li>\n<li>ANSWER SECTION: Hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 g\u1ed3m t\u00ean mi\u1ec1n \u0111\u1ea7y \u0111\u1ee7, th\u1eddi gian TTL (59 gi\u00e2y), v\u00e0 \u0111\u1ecba ch\u1ec9 IP (208.93.64.253).<\/li>\n<\/ul>\n<p>K\u1ebft qu\u1ea3 n\u00e0y cho ph\u00e9p thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n bi\u1ebft \u0111\u1ecba ch\u1ec9 IP th\u1ef1c t\u1ebf \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 t\u1ea3i trang web t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<h2><strong>C\u00e1ch th\u00eam A Record <\/strong><\/h2>\n<p>Trong tr\u00ecnh ch\u1ec9nh s\u1eeda b\u1ea3n ghi, b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 th\u00eam m\u1ed9t b\u1ea3n ghi A m\u1edbi:<\/p>\n<ul>\n<li>Nh\u1ea5p v\u00e0o \"Th\u00eam\" v\u00e0 ch\u1ecdn \"A\" \u0111\u1ec3 t\u1ea1o b\u1ea3n ghi A m\u1edbi.<\/li>\n<\/ul>\n<p><img class=\"wp-image-25550\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-5.png\" \/><\/p>\n<ul>\n<li>Nh\u1eadp th\u00f4ng tin b\u1ea3n ghi:<\/li>\n<\/ul>\n<p><img class=\"wp-image-25551\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-6.png\" \/><\/p>\n<ul>\n<li>\n<ul>\n<li>T\u00ean: T\u00ean mi\u1ec1n ph\u1ee5 b\u1ea1n mu\u1ed1n t\u1ea1o b\u1ea3n ghi, kh\u00f4ng c\u1ea7n bao g\u1ed3m t\u00ean mi\u1ec1n ch\u00ednh.<\/li>\n<li>\u0110\u1ecba ch\u1ec9 IP: \u0110\u1ecba ch\u1ec9 IPv4 m\u00e0 b\u1ea3n ghi s\u1ebd tr\u1ecf t\u1edbi. Gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 b\u1ea3n ghi DNS n\u00e0o kh\u00e1c, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh \u0111\u1ecba ch\u1ec9 n\u00e0y.<\/li>\n<li>TTL: Th\u1eddi gian t\u1ed3n t\u1ea1i c\u1ee7a b\u1ea3n ghi, t\u00ednh b\u1eb1ng gi\u00e2y.<\/li>\n<\/ul>\n<\/li>\n<li>Nh\u1ea5p v\u00e0o \"Th\u00eam b\u1ea3n ghi\" \u0111\u1ec3 x\u00e1c nh\u1eadn v\u00e0 t\u1ea1o b\u1ea3n ghi.<\/li>\n<li>B\u1ea3n ghi sau khi \u0111\u01b0\u1ee3c t\u1ea1o s\u1ebd hi\u1ec3n th\u1ecb trong danh s\u00e1ch b\u1ea3n ghi DNS.<\/li>\n<\/ul>\n<p><img class=\"wp-image-25552\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-7.png\" \/><\/p>\n<h2><strong>C\u00e1ch c\u1eadp nh\u1eadt A Record<\/strong><\/h2>\n<ul>\n<li>Trong tr\u00ecnh ch\u1ec9nh s\u1eeda b\u1ea3n ghi, b\u1ea1n t\u00ecm \u0111\u1ebfn b\u1ea3n ghi<\/li>\n<li>H\u00e3y nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng b\u00fat ch\u00ec \u0111\u1ec3 ch\u1ec9nh s\u1eeda.<\/li>\n<\/ul>\n<p><img class=\"wp-image-25553\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-8.png\" \/><\/p>\n<ul>\n<li>C\u1eadp nh\u1eadt th\u00f4ng tin v\u00e0 b\u1ea5m C\u1eadp nh\u1eadt B\u1ea3n ghi \u0111\u1ec3 l\u01b0u l\u1ea1i b\u1ea3n ghi<\/li>\n<\/ul>\n<h2><strong>C\u00e1ch x\u00f3a A Record<\/strong><\/h2>\n<ul>\n<li>Trong tr\u00ecnh ch\u1ec9nh s\u1eeda b\u1ea3n ghi, t\u00ecm ki\u1ebfm b\u1ea3n ghi<\/li>\n<li>H\u00e3y nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng th\u00f9ng r\u00e1c \u0111\u1ec3 x\u00f3a n\u00f3<\/li>\n<\/ul>\n<p><img class=\"wp-image-25554\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-9.png\" \/><\/p>\n<ul>\n<li>X\u00e1c nh\u1eadn h\u1ed9p tho\u1ea1i \u0111\u1ec3 x\u00f3a b\u1ea3n ghi.<\/li>\n<\/ul>\n<h2><strong>Nh\u1eefng l\u01b0u \u00fd khi thao t\u00e1c v\u1edbi A Record DNS<\/strong><\/h2>\n<p>Khi qu\u1ea3n l\u00fd v\u00e0 thao t\u00e1c v\u1edbi A Record DNS \u0111\u00f2i h\u1ecfi s\u1ef1 c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt kh\u00f4ng mong mu\u1ed1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng b\u1ea1n c\u1ea7n ghi nh\u1edb:<\/p>\n<h3><strong>Ki\u1ec3m tra th\u00f4ng tin ch\u00ednh x\u00e1c<\/strong><\/h3>\n<ul>\n<li>\u0110\u1ea3m b\u1ea3o th\u00f4ng tin ch\u00ednh x\u00e1c: Tr\u01b0\u1edbc khi th\u00eam ho\u1eb7c c\u1eadp nh\u1eadt A Record, h\u00e3y ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7 v\u00e0 t\u00ean mi\u1ec1n b\u1ea1n mu\u1ed1n tr\u1ecf. Nh\u1eadp sai th\u00f4ng tin c\u00f3 th\u1ec3 l\u00e0m website kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c.<\/li>\n<li>Sao l\u01b0u d\u1eef li\u1ec7u DNS: Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 thay \u0111\u1ed5i n\u00e0o, h\u00e3y sao l\u01b0u c\u00e1c b\u1ea3n ghi DNS hi\u1ec7n t\u1ea1i \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c n\u1ebfu x\u1ea3y ra l\u1ed7i.<\/li>\n<\/ul>\n<h3><strong>S\u1eed d\u1ee5ng TTL h\u1ee3p l\u00fd<\/strong><\/h3>\n<ul>\n<li><strong>TTL (Time To Live)<\/strong> l\u00e0 th\u1eddi gian m\u00e0 m\u1ed9t b\u1ea3n ghi DNS \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong b\u1ed9 nh\u1edb cache c\u1ee7a h\u1ec7 th\u1ed1ng DNS tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n.<\/li>\n<li>\u0110\u1eb7t TTL th\u1ea5p khi b\u1ea1n c\u1ea7n thay \u0111\u1ed5i nhanh (v\u00ed d\u1ee5: 300 gi\u00e2y) \u0111\u1ec3 c\u00e1c c\u1eadp nh\u1eadt c\u00f3 hi\u1ec7u l\u1ef1c s\u1edbm h\u01a1n. Tuy nhi\u00ean, TTL th\u1ea5p c\u00f3 th\u1ec3 t\u0103ng t\u1ea3i h\u1ec7 th\u1ed1ng DNS.<\/li>\n<li>Sau khi ho\u00e0n t\u1ea5t thay \u0111\u1ed5i, b\u1ea1n c\u00f3 th\u1ec3 t\u0103ng TTL \u0111\u1ec3 gi\u1ea3m t\u1ea3i cho h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<h3><strong>Ki\u1ec3m tra hi\u1ec7u l\u1ef1c c\u1ee7a b\u1ea3n ghi<\/strong><\/h3>\n<ul>\n<li>Sau khi th\u00eam, ch\u1ec9nh s\u1eeda ho\u1eb7c x\u00f3a A Record, h\u00e3y ki\u1ec3m tra hi\u1ec7u l\u1ef1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0:\n<ul>\n<li>L\u1ec7nh nslookup ho\u1eb7c dig tr\u00ean Command Prompt\/Terminal.<\/li>\n<li>C\u00f4ng c\u1ee5 ki\u1ec3m tra DNS tr\u1ef1c tuy\u1ebfn nh\u01b0 MXToolBox ho\u1eb7c DNS Checker.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3><strong>Ch\u1ecdn d\u1ecbch v\u1ee5 hosting gi\u00e1 r\u1ebb b\u1ea3o m\u1eadt t\u1ea1i Tenten.vn<\/strong><\/h3>\n<p>Tenten.vn l\u00e0 m\u1ed9t trong nh\u1eefng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 hosting h\u00e0ng \u0111\u1ea7u t\u1ea1i Vi\u1ec7t Nam, mang \u0111\u1ebfn cho kh\u00e1ch h\u00e0ng nh\u1eefng gi\u1ea3i ph\u00e1p hosting ch\u1ea5t l\u01b0\u1ee3ng v\u1edbi gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng. V\u1edbi \u0111a d\u1ea1ng c\u00e1c g\u00f3i hosting t\u1eeb chia s\u1ebb, VPS \u0111\u1ebfn c\u00e1c g\u00f3i cloud hosting, Tenten.vn lu\u00f4n s\u1eb5n s\u00e0ng \u0111\u00e1p \u1ee9ng m\u1ecdi nhu c\u1ea7u c\u1ee7a doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n, t\u1eeb website nh\u1ecf cho \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng website l\u1edbn, y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao.<\/p>\n<div id=\"attachment_25555\" style=\"width: 1770px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-25555\" loading=\"lazy\" class=\"wp-image-25555\" src=\"https:\/\/www.hostify.vn\/blog\/wp-content\/uploads\/2024\/11\/word-image-25545-10.png\" alt=\"Ch\u1ecdn d\u1ecbch v\u1ee5 hosting gi\u00e1 r\u1ebb b\u1ea3o m\u1eadt t\u1ea1i Tenten.vn\" width=\"1760\" height=\"908\" \/><p id=\"caption-attachment-25555\" class=\"wp-caption-text\">Ch\u1ecdn d\u1ecbch v\u1ee5 hosting gi\u00e1 r\u1ebb b\u1ea3o m\u1eadt t\u1ea1i Tenten.vn<\/p><\/div>\n<p>Khi mua hosting t\u1ea1i Tenten.vn, b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c tr\u1ea3i nghi\u1ec7m c\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt nh\u01b0: t\u1ed1c \u0111\u1ed9 truy c\u1eadp nhanh, b\u1ea3o m\u1eadt cao v\u1edbi h\u1ec7 th\u1ed1ng firewall b\u1ea3o v\u1ec7 website kh\u1ecfi c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DDoS, h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i trung t\u00e2m d\u1eef li\u1ec7u \u0111\u1ea1t chu\u1ea9n qu\u1ed1c t\u1ebf, c\u00f9ng v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt vi\u00ean chuy\u00ean nghi\u1ec7p h\u1ed7 tr\u1ee3 24\/7. Ngo\u00e0i ra, Tenten.vn cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd hosting d\u1ec5 s\u1eed d\u1ee5ng nh\u01b0 cPanel, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd website, email, v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 li\u00ean quan.<\/p>\n<p>\u0110i\u1ec3m \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng hosting t\u1ea1i Tenten.vn l\u00e0 cam k\u1ebft b\u1ea3o m\u1eadt v\u00e0 \u1ed5n \u0111\u1ecbnh cao, gi\u00fap website c\u1ee7a b\u1ea1n lu\u00f4n trong tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t, gi\u1ea3m thi\u1ec3u r\u1ee7i ro downtime. V\u1edbi c\u00e1c g\u00f3i hosting linh ho\u1ea1t v\u00e0 d\u1ecbch v\u1ee5 ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng t\u1eadn t\u00e2m, Tenten.vn ch\u1eafc ch\u1eafn s\u1ebd l\u00e0 \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady cho b\u1ea5t k\u1ef3 ai \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t d\u1ecbch v\u1ee5 hosting ch\u1ea5t l\u01b0\u1ee3ng t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<p>H\u00e3y tr\u1ea3 nghi\u1ec7m d\u1ecbch v\u1ee5 hosting t\u1ea1i Tenten.vn ngay h\u00f4m nay \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o website c\u1ee7a b\u1ea1n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3!<\/p>\n<h2><strong>K\u1ebft lu\u1eadn<\/strong><\/h2>\n<p>A Record DNS \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u1ebfn m\u00e1y ch\u1ee7, gi\u00fap website c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n lu\u00f4n c\u1eadp nh\u1eadt v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e0i \u0111\u1eb7t DNS \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 cao nh\u1ea5t cho website c\u1ee7a m\u00ecnh.<\/p>\n<p><span style=\"color: #ffff00; font-size: 14pt;\"><cite style=\"margin: 0px; background-color: #4d94ff; border-top-left-radius: 2px; border-top-right-radius: 2px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">WordPress Hosting t\u1ed1c \u0111\u1ed9 cao - Ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t [ T\u1eb7ng mi\u1ec5n ph\u00ed tr\u1ecdn b\u1ed9 plugin SEO tr\u1ecb gi\u00e1 359$ ]<\/cite><\/span><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #cce0ff;\"><span style=\"color: #000000;\">+ <strong>Gi\u00e1 kh\u00f4ng th\u1ec3 t\u1ed1t h\u01a1n:<\/strong><\/span>\u00a0Ch\u1ec9 t\u1eeb <strong>3K\/ng\u00e0y<\/strong>\u00a0k\u00e8m nhi\u1ec1u \u01b0u \u0111\u00e3i ch\u1ec9 c\u00f3 t\u1ea1i TENTEN. <span style=\"color: #000000;\">+ <strong>T\u1eb7ng mi\u1ec5n ph\u00ed b\u1ed9 plugin SEO h\u1ed7 tr\u1ee3 website ONTOP Goole:<\/strong><\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Rank Math Pro - t\u1ed1i \u01b0u SEO<\/li>\n<li>WP rocket - T\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang<\/li>\n<li>Imagify - N\u00e9n dung l\u01b0\u1ee3ng \u1ea3nh<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">+ <strong>B\u1ea3o m\u1eadt 99,99%<\/strong><\/span> <span style=\"color: #000000;\">+ <strong>Backup d\u1eef li\u1ec7u th\u01b0\u1eddng xuy\u00ean<\/strong><\/span> <span style=\"color: #000000;\">+ <strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt 24\/7<\/strong><\/span> <span style=\"color: #eded34;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #eded34; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066ff; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/hosting\/wordpress-hosting?code=XFviGsVgCtfDqAIz&amp;idCampaign=3361\">L\u1ef0A CH\u1eccN HOSTING PH\u00d9 H\u1ee2P T\u1ea0I \u0110\u00c2Y<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/zalo.me\/g\/xyaten398\">V\u00e0o nh\u00f3m Zalo \u0111\u1ec3 nh\u1eadn th\u00eam nhi\u1ec1u \u01b0u \u0111\u00e3i Hosting h\u01a1n n\u1eefa<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<p><strong>B\u00e0i li\u00ean quan<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/hosting-free\/\">Hosting free l\u00e0 g\u00ec? C\u00e1c ti\u00eau ch\u00ed quan tr\u1ecdng khi ch\u1ecdn Hosting free<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/doi-hosting\/\">Khi n\u00e0o n\u00ean \u0111\u1ed5i hosting? H\u01b0\u1edbng d\u1eabn \u0111\u1ed5i hosting t\u1eeb A-Z<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/thue-hosting\/\">T\u1ea1i sao c\u1ea7n thu\u00ea hosting? Gi\u00e1 thu\u00ea hosting 1 n\u0103m bao nhi\u00eau l\u00e0 v\u1eeba?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/wordpress-hosting\/\">T\u1eeb A-Z v\u1ec1 WordPress hosting v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn WordPress hosting t\u1ed1t nh\u1ea5t<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/dich-vu-hosting\/\">H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn d\u1ecbch v\u1ee5 hosting ph\u00f9 h\u1ee3p cho trang web c\u1ee7a b\u1ea1n<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/hosting-la-gi\/\">Hosting l\u00e0 g\u00ec? N\u00ean mua hosting vi\u1ec7t nam hay hosting n\u01b0\u1edbc ngo\u00e0i<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/cloud-hosting-linux\/\">Cloud Hosting Linux l\u00e0 g\u00ec? T\u1eeb A-Z v\u1ec1 d\u1ecbch v\u1ee5 Cloud Hosting Linux m\u1edbi nh\u1ea5t<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/hosting-godaddy\/\">\u0110\u00e1nh gi\u00e1 chi ti\u1ebft \u01afu\/Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Hosting GoDaddy<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/google-cloud-hosting\/\">Lo\u1ea1t \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a Google Cloud Hosting c\u00f3 th\u1ec3 b\u1ea1n ch\u01b0a bi\u1ebft<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/tro-ten-mien\/\">H\u01b0\u1edbng d\u1eabn tr\u1ecf t\u00ean mi\u1ec1n v\u1ec1 Ladipage, tr\u1ecf t\u00ean mi\u1ec1n v\u1ec1 Hosting<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/shared-hosting-va-vps-hosting\/\">So s\u00e1nh Shared Hosting v\u00e0 VPS Hosting: Lo\u1ea1i n\u00e0o c\u1ea7n cho b\u1ea1n?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/domain-va-hosting\/\">Ph\u00e2n bi\u1ec7t Domain v\u00e0 Hosting theo ti\u00eau ch\u00ed v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A Record DNS (Address Record) l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng DNS, gi\u00fap \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n c\u1ee7a b\u1ea1n t\u1edbi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y ch\u1ee7. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5...<\/p>\n","protected":false},"author":28,"featured_media":11950,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[177,83],"tags":[],"jetpack_featured_media_url":"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/11\/a-record-dns.jpeg","_links":{"self":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11949"}],"collection":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/comments?post=11949"}],"version-history":[{"count":2,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11949\/revisions"}],"predecessor-version":[{"id":11956,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11949\/revisions\/11956"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media\/11950"}],"wp:attachment":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media?parent=11949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/categories?post=11949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/tags?post=11949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}