{"id":11643,"date":"2024-10-06T08:36:23","date_gmt":"2024-10-06T01:36:23","guid":{"rendered":"https:\/\/cloud.z.com\/vn\/?p=11643"},"modified":"2024-10-05T08:37:45","modified_gmt":"2024-10-05T01:37:45","slug":"xoa-cache-dns","status":"publish","type":"post","link":"https:\/\/cloud.z.com\/vn\/en\/news\/xoa-cache-dns\/","title":{"rendered":"Nh\u1eefng c\u00e1ch x\u00f3a cache DNS c\u1ef1c nhanh &#038; \u0111\u01a1n gi\u1ea3n. Th\u1eed ngay nh\u00e9!"},"content":{"rendered":"<p>Flush DNS, hay x\u00f3a cache DNS, l\u00e0 gi\u1ea3i ph\u00e1p gi\u00fap b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i li\u00ean quan HTTP, v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DNS spoofing.<\/p>\n<p>Nh\u01b0ng b\u1ea1n \u0111\u00e3 bi\u1ebft c\u00e1ch x\u00f3a cache DNS? H\u00e3y c\u00f9ng Z.com t\u00ecm hi\u1ec3u nh\u00e9!<\/p>\n<div>\n<div class=\"tg_wrap_cbsv tg_wrap_cbsv_blue\" style=\"margin: 20px 0px; border-radius: 4px; border: 2px solid #0066b2;\"><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<h3>X\u00f3a cache DNS l\u00e0 g\u00ec?<\/h3>\n<p>Tr\u01b0\u1edbc khi n\u00f3i v\u1ec1 x\u00f3a cache DNS, ch\u00fang ta c\u1ea7n \u0111i\u1ec3m qua m\u1ed9t s\u1ed1 th\u00f4ng tin li\u00ean quan cache DNS.<\/p>\n<p>Cache DNS (Domain Name System Cache) l\u00e0 m\u1ed9t b\u1ed9 nh\u1edb t\u1ea1m th\u1eddi l\u01b0u tr\u1eef th\u00f4ng tin v\u1ec1 c\u00e1c \u0111\u1ecba ch\u1ec9 IP c\u1ee7a c\u00e1c t\u00ean mi\u1ec1n m\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 truy c\u1eadp. Khi m\u1ed9t thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i internet y\u00eau c\u1ea7u truy c\u1eadp m\u1ed9t trang web, qu\u00e1 tr\u00ecnh tra c\u1ee9u t\u00ean mi\u1ec1n s\u1ebd x\u1ea3y ra \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng.\u00a0<\/p>\n<p>\u0110\u1ec3 gi\u1ea3m th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean h\u1ec7 th\u1ed1ng c\u1ea7n cho qu\u00e1 tr\u00ecnh n\u00e0y, th\u00f4ng tin v\u1ec1 c\u00e1c \u0111\u1ecba ch\u1ec9 IP \u0111\u00e3 \u0111\u01b0\u1ee3c tra c\u1ee9u tr\u01b0\u1edbc \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i trong b\u1ed9 nh\u1edb cache. L\u1ea7n truy c\u1eadp sau, h\u1ec7 th\u1ed1ng s\u1ebd ki\u1ec3m tra cache tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n tra c\u1ee9u m\u1edbi.\u00a0<\/p>\n<p>C\u01a1 ch\u1ebf n\u00e0y gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp website, gi\u1ea3m t\u1ea3i cho c\u00e1c m\u00e1y ch\u1ee7 DNS v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u1ea1ng. Cache DNS th\u01b0\u1eddng c\u00f3 th\u1eddi gian l\u01b0u tr\u1eef gi\u1edbi h\u1ea1n, sau \u0111\u00f3 n\u00f3 s\u1ebd t\u1ef1 \u0111\u1ed9ng l\u00e0m m\u1edbi th\u00f4ng tin \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c v\u00e0 c\u1eadp nh\u1eadt.<\/p>\n<p>X\u00f3a cache DNS (flush DNS) l\u00e0 qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf c\u00e1c b\u1ea3n ghi DNS \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u t\u1ea1m th\u1eddi trong b\u1ed9 nh\u1edb c\u1ee7a thi\u1ebft b\u1ecb.\u00a0<\/p>\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, khi truy c\u1eadp v\u00e0o m\u1ed9t website, h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef th\u00f4ng tin t\u00ean mi\u1ec1n v\u00e0 \u0111\u1ecba ch\u1ec9 IP t\u01b0\u01a1ng \u1ee9ng trong cache DNS \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 truy c\u1eadp trong c\u00e1c l\u1ea7n sau. Tuy nhi\u00ean, khi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a trang web thay \u0111\u1ed5i ho\u1eb7c c\u00f3 s\u1ef1 c\u1ed1 truy c\u1eadp, th\u00f4ng tin c\u0169 trong cache c\u00f3 th\u1ec3 g\u00e2y ra l\u1ed7i k\u1ebft n\u1ed1i.\u00a0<\/p>\n<p>X\u00f3a cache DNS gi\u00fap l\u00e0m m\u1edbi b\u1ea3n ghi, bu\u1ed9c thi\u1ebft b\u1ecb ph\u1ea3i th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh tra c\u1ee9u DNS m\u1edbi, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c th\u00f4ng tin truy c\u1eadp lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 c\u1eadp nh\u1eadt. Vi\u1ec7c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u1ea1ng ho\u1eb7c khi c\u00f3 c\u00e1c thay \u0111\u1ed5i v\u1ec1 c\u1ea5u h\u00ecnh DNS.<\/p>\n<h3>Nh\u1eefng l\u00fd do n\u00ean x\u00f3a cache DNS<\/h3>\n<p>C\u00f3 nhi\u1ec1u l\u00fd do n\u00ean x\u00f3a cache DNS \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh ch\u00ednh x\u00e1c khi truy c\u1eadp internet.\u00a0<\/p>\n<p>Th\u1ee9 nh\u1ea5t, khi \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u1ed9t trang web thay \u0111\u1ed5i m\u00e0 b\u1ea3n ghi c\u0169 v\u1eabn c\u00f2n trong cache, vi\u1ec7c truy c\u1eadp c\u00f3 th\u1ec3 g\u1eb7p l\u1ed7i ho\u1eb7c d\u1eabn \u0111\u1ebfn \u0111\u1ecba ch\u1ec9 kh\u00f4ng \u0111\u00fang. X\u00f3a cache gi\u00fap l\u00e0m m\u1edbi th\u00f4ng tin v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 n\u00e0y.\u00a0<\/p>\n<p>Th\u1ee9 hai, trong tr\u01b0\u1eddng h\u1ee3p m\u1ea1ng ho\u1eb7c trang web b\u1ecb l\u1ed7i k\u1ebft n\u1ed1i, x\u00f3a cache DNS c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 b\u1eb1ng c\u00e1ch bu\u1ed9c h\u1ec7 th\u1ed1ng truy v\u1ea5n l\u1ea1i c\u00e1c m\u00e1y ch\u1ee7 DNS.\u00a0<\/p>\n<p>&nbsp;<\/p>\n<div><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-2.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-11646\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-2.png\" alt=\"x\u00f3a cache dns 2\" width=\"650\" height=\"410\" \/><\/a><\/div>\n<div>\u00a0<\/div>\n<p>Th\u1ee9 ba, n\u1ebfu m\u00e1y t\u00ednh b\u1ecb nhi\u1ec5m m\u00e3 \u0111\u1ed9c ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, ch\u00fang c\u00f3 th\u1ec3 s\u1eeda \u0111\u1ed5i cache DNS \u0111\u1ec3 chuy\u1ec3n h\u01b0\u1edbng ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn c\u00e1c trang web \u0111\u1ed9c h\u1ea1i. X\u00f3a cache trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 m\u1ed9t bi\u1ec7n ph\u00e1p \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c b\u1ea3n ghi kh\u00f4ng an to\u00e0n.\u00a0<\/p>\n<p>Cu\u1ed1i c\u00f9ng, vi\u1ec7c x\u00f3a cache DNS c\u0169ng gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng lu\u00f4n truy c\u1eadp c\u00e1c th\u00f4ng tin m\u1edbi nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t khi c\u00f3 thay \u0111\u1ed5i v\u1ec1 c\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng m\u1ea1ng ho\u1eb7c trang web.<\/p>\n<h3>H\u01b0\u1edbng d\u1eabn x\u00f3a cache DNS c\u1ef1c nhanh g\u1ecdn<\/h3>\n<div>Quy tr\u00ecnh x\u00f3a cache DNS s\u1ebd t\u00f9y thu\u1ed9c v\u00e0o h\u1ec7 \u0111i\u1ec1u h\u00e0nh b\u1ea1n \u0111ang s\u1eed d\u1ee5ng. D\u01b0\u1edbi \u0111\u00e2y ch\u00fang ta s\u1ebd \u0111i\u1ec3m qua c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u00ednh.<\/div>\n<h4>X\u00f3a cache DNS tr\u00ean macOS<\/h4>\n<p>C\u00e1c b\u01b0\u1edbc sau \u00e1p d\u1ee5ng v\u1edbi m\u1ecdi phi\u00ean b\u1ea3n macOS. Tuy nhi\u00ean \u1edf b\u01b0\u1edbc s\u1ed1 4, t\u00f9y thu\u1ed9c phi\u00ean b\u1ea3n b\u1ea1n \u0111ang s\u1eed d\u1ee5ng s\u1ebd c\u00f3 t\u1eebng c\u00e2u l\u1ec7nh kh\u00e1c nhau:<\/p>\n<p>B\u01b0\u1edbc 1: m\u1edf Finder<\/p>\n<p>B\u01b0\u1edbc 2: b\u1ea5m v\u00e0o Applications<\/p>\n<p>B\u01b0\u1edbc 3: t\u00ecm th\u01b0 m\u1ee5c Utilities v\u00e0 m\u1edf \u1ee9ng d\u1ee5ng Terminal<\/p>\n<p>M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n h\u01a1n \u0111\u1ec3 m\u1edf Terminal l\u00e0 b\u1ea5m v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Launchpad tr\u00ean dock v\u00e0 g\u00f5 \"Terminal\" v\u00e0o thanh t\u00ecm ki\u1ebfm.<\/p>\n<p>B\u01b0\u1edbc 4: trong c\u1eeda s\u1ed5 Terminal, g\u00f5 c\u00e2u l\u1ec7nh t\u00f9y theo phi\u00ean b\u1ea3n macOS b\u1ea1n \u0111ang s\u1eed d\u1ee5ng:<\/p>\n<div>\u00a0<\/div>\n<div><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-3.jpg\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-11647\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-3.jpg\" alt=\"x\u00f3a cache dns 3\" width=\"650\" height=\"550\" \/><\/a><\/div>\n<p>- Ventura tr\u1edf l\u00ean: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder<\/p>\n<p>- Lion, Mountain Lion, Mavericks, El Capitan, Sierra, High Sierra, Mojave: sudo killall -HUP mDNSResponder<\/p>\n<p>- Yosemite: sudo discoveryutil mdnsflushcache<\/p>\n<p>- Tiger: lookupd -flushcache<\/p>\n<p>B\u01b0\u1edbc 5: nh\u1eadp m\u1eadt kh\u1ea9u v\u00e0 b\u1ea5m Enter. B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t th\u00f4ng b\u00e1o x\u00e1c nh\u1eadn \u0111\u00e3 x\u00f3a cache DNS.<\/p>\n<h4>X\u00f3a cache DNS tr\u00ean Windows<\/h4>\n<div><strong>V\u1edbi Windows 8.1, 10, 11<\/strong><\/div>\n<p>B\u01b0\u1edbc 1: m\u1edf Start menu, t\u00ecm \u1ee9ng d\u1ee5ng Command Prompt.<\/p>\n<div>\u00a0<\/div>\n<div><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-4.jpg\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-11648\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-4.jpg\" alt=\"x\u00f3a cache dns 4\" width=\"639\" height=\"429\" \/><\/a><\/div>\n<div>\u00a0<\/div>\n<p>Ho\u1eb7c b\u1ea5m t\u1ed5 h\u1ee3p ph\u00edm Windows + R v\u00e0 g\u00f5 \"cmd\".<\/p>\n<p>N\u1ebfu th\u1ea5y popup h\u1ecfi c\u00f3 mu\u1ed1n Command Prompt th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i tr\u00ean m\u00e1y t\u00ednh, ch\u1ecdn \"Yes\". B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 c\u1ea7n nh\u1eadp m\u1eadt kh\u1ea9u admin.<\/p>\n<p>B\u01b0\u1edbc 2: trong c\u1eeda s\u1ed5 Command Prompt, g\u00f5 \"ipconfig \/flushdns\"<\/p>\n<p>B\u01b0\u1edbc 3: b\u1ea5m Enter. B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t th\u00f4ng b\u00e1o x\u00e1c nh\u1eadn \u0111\u00e3 x\u00f3a cache DNS.<\/p>\n<div><strong>V\u1edbi Windows 7<\/strong><\/div>\n<p>B\u01b0\u1edbc 1: m\u1edf Start menu &gt; All Programs &gt; Accessories &gt; Command Prompt. B\u1ea5m chu\u1ed9t ph\u1ea3i v\u00e0 ch\u1ecdn \"Run as administrator\"<\/p>\n<div>\u00a0<\/div>\n<div><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-5.jpg\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-11649\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-5.jpg\" alt=\"x\u00f3a cache dns 5\" width=\"400\" height=\"420\" \/><\/a><\/div>\n<div>\u00a0<\/div>\n<p>B\u1ea1n s\u1ebd th\u1ea5y popup h\u1ecfi c\u00f3 mu\u1ed1n Command Prompt th\u1ef1c hi\u1ec7n c\u00e1c thay \u0111\u1ed5i tr\u00ean m\u00e1y t\u00ednh, ch\u1ecdn \"Yes\". B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 c\u1ea7n nh\u1eadp m\u1eadt kh\u1ea9u admin.<\/p>\n<p>B\u01b0\u1edbc 2: trong c\u1eeda s\u1ed5 Command Prompt, g\u00f5 \"ipconfig \/flushdns\"<\/p>\n<p>B\u01b0\u1edbc 3: b\u1ea5m Enter. B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t th\u00f4ng b\u00e1o x\u00e1c nh\u1eadn \u0111\u00e3 x\u00f3a cache DNS.<\/p>\n<h4>X\u00f3a cache DNS tr\u00ean Linux<\/h4>\n<p>Kh\u00f4ng nh\u01b0 Windows v\u00e0 Mac, Linux kh\u00f4ng c\u00f3 cache DNS. Tuy nhi\u00ean, m\u1ed7i distro c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t d\u1ecbch v\u1ee5 DNS kh\u00e1c nhau \u0111\u1ec3 l\u01b0u tr\u1eef c\u00e1c b\u1ea3n ghi DNS tr\u00ean m\u00e1y. T\u00f9y thu\u1ed9c d\u1ecbch v\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 x\u00f3a cache ho\u1eb7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 \u0111\u1ec3 x\u00f3a cache DNS.<\/p>\n<p>B\u01b0\u1edbc 1: g\u00f5 Ctrl + Alt + T \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 Terminal<\/p>\n<p>B\u01b0\u1edbc 2: trong c\u1eeda s\u1ed5 Terminal, g\u00f5 m\u1ed9t trong c\u00e1c c\u00e2u l\u1ec7nh sau d\u1ef1a tr\u00ean d\u1ecbch v\u1ee5 m\u00e0 h\u1ec7 th\u1ed1ng Linux c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng:<\/p>\n<p>- NSCD: sudo \/etc\/init.d\/nscd restart<\/p>\n<p>- Dnsmasq: sudo \/etc\/init.d\/dnsmasq restart<\/p>\n<p>- BIND: b\u1ea1n c\u00f3 th\u1ec3 ph\u1ea3i th\u1eed nhi\u1ec1u c\u00e2u l\u1ec7nh:<\/p>\n<p>- sudo \/etc\/init.d\/named restart<\/p>\n<p>- sudo rndc restart<\/p>\n<p>- sudo rndc exec<\/p>\n<p>B\u01b0\u1edbc 3: nh\u1eadp m\u1eadt kh\u1ea9u khi \u0111\u01b0\u1ee3c h\u1ecfi. D\u1ecbch v\u1ee5 DNS c\u00f3 th\u1ec3 t\u1ea1m ng\u1eebng trong gi\u00e2y l\u00e1t v\u00e0 s\u1ebd ho\u1ea1t \u0111\u1ed9ng l\u1ea1i ngay sau tr\u01b0\u1edbc khi xu\u1ea5t hi\u1ec7n th\u00f4ng b\u00e1o x\u00e1c nh\u1eadn \u0111\u00e3 x\u00f3a cache DNS.<\/p>\n<h4>X\u00f3a cache DNS tr\u00ean Chrome<\/h4>\n<div>Chrome kh\u00f4ng ph\u1ea3i m\u1ed9t h\u1ec7 \u0111i\u1ec1u h\u00e0nh, nh\u01b0ng tr\u00ecnh duy\u1ec7t n\u00e0y c\u0169ng l\u01b0u gi\u1eef m\u1ed9t cache DNS c\u1ee7a ri\u00eang m\u00ecnh, kh\u00f4ng li\u00ean quan \u0111\u1ebfn cache DNS c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/div>\n<div>\u00a0<\/div>\n<div><a href=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-6.jpg\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-11650\" src=\"https:\/\/cloud.z.com\/vn\/wp-content\/uploads\/2024\/10\/xoa-cache-dns-6.jpg\" alt=\"x\u00f3a cache dns 6\" width=\"650\" height=\"169\" \/><\/a><\/div>\n<div>\u00a0<\/div>\n<p>N\u1ebfu b\u1ea1n \u0111\u1eb7t Chrome l\u00e0 tr\u00ecnh duy\u1ec7t m\u1eb7c \u0111\u1ecbnh, th\u00ec b\u00ean c\u1ea1nh vi\u1ec7c x\u00f3a cache DNS c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh, b\u1ea1n c\u1ea7n x\u00f3a cache DNS c\u1ee7a Chrome n\u1eefa.<\/p>\n<p>B\u01b0\u1edbc 1: g\u00f5 v\u00e0o thanh \u0111\u1ecba ch\u1ec9: \"chrome:\/\/net-internals\/#dns\"<\/p>\n<p>B\u01b0\u1edbc 2: b\u1ea5m n\u00fat \"Clear host cache\"<\/p>\n<p>Ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng!<\/p>\n<div>\n<div class=\"tg_wrap_cbsv tg_wrap_cbsv_blue\" style=\"margin: 20px 0px; border-radius: 4px; border: 2px solid #0066b2;\"><cite style=\"margin: 0px; background-color: #0066b2; color: #fff; border-top-left-radius: 2px; border-top-right-radius: 2px; font-size: 19px; padding: 12px 20px; font-weight: bold; display: block; font-style: normal;\">B\u1ea1n \u0111ang mu\u1ed1n x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u1ee7a ri\u00eang m\u00ecnh<\/cite><\/p>\n<div class=\"textwidget\" style=\"padding: 20px; background: #70c2e280;\">\u0110\u0103ng k\u00fd ngay t\u00ean mi\u1ec1n th\u01b0\u01a1ng hi\u1ec7u t\u1ea1i Tenten.vn ch\u1ec9 v\u1edbi 2 c\u00fa click chu\u1ed9t: <strong>Ki\u1ec3m tra s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u00ean mi\u1ec1n: Nh\u1eadp t\u00ean mi\u1ec1n v\u00e0 nh\u1ea5n \"ki\u1ec3m tra\".<\/strong> <span style=\"color: #ffff00;\"><a class=\"btn_combi_sv\" style=\"font-weight: bold; color: #ffff00; padding: 8px 26px 8px 26px; font-size: 20px; line-height: 30px; border-radius: 56px; text-shadow: none; background: #0066b2; display: table; margin: 0px auto;\" href=\"https:\/\/tenten.vn\/vi\/bang-gia-ten-mien?code=knjcpEfWoTSzUNMw&amp;idCampaign=3080\">B\u1ea2NG GI\u00c1 T\u00caN MI\u1ec0N M\u1edaI NH\u1ea4T<\/a><\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/bit.ly\/3QYbaqa\">V\u00e0o nh\u00f3m Zalo nh\u1eadn \u01b0u \u0111\u00e3i t\u00ean mi\u1ec1n t\u1ea1i \u0111\u00e2y<\/a><\/li>\n<li>Hotline: (024) 71 089 999<\/li>\n<li>Email: info@tenten.vn<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h4><strong>B\u00e0i li\u00ean quan<\/strong><\/h4>\n<ul>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/domain\/\">Domain l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1eeb A-Z<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-la-gi\/\">T\u00ean mi\u1ec1n l\u00e0 g\u00ec? Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 t\u00ean mi\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-vn\/\">T\u00ean mi\u1ec1n vn: L\u1ee3i \u00edch &amp; \u01afu \u0111i\u1ec3m c\u1ee7a t\u00ean mi\u1ec1n Vi\u1ec7t Nam<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-vn-2\/\">T\u00ean mi\u1ec1n .vn l\u00e0 g\u00ec? N\u00ean mua t\u00ean mi\u1ec1n .vn \u1edf \u0111\u00e2u r\u1ebb nh\u1ea5t?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-com-vn\/\">T\u00ean mi\u1ec1n .com.vn l\u00e0 g\u00ec? N\u00ean ch\u1ecdn t\u00ean mi\u1ec1n .com.vn hay .vn?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-edu-vn\/\">T\u00ean mi\u1ec1n Edu.vn l\u00e0 c\u00e1nh c\u1ed5ng truy\u1ec1n t\u1ea3i tri th\u1ee9c tr\u1ef1c tuy\u1ebfn<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-biz-vn-2\/\">\u00dd ngh\u0129a t\u00ean mi\u1ec1n biz vn v\u00e0 l\u1ee3i th\u1ebf khi d\u00f9ng .biz.vn cho doanh nghi\u1ec7p<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-name-vn\/\">T\u1eeb A-Z v\u1ec1 t\u00ean mi\u1ec1n name.vn, \u0111\u0103ng k\u00fd name.vn \u1edf \u0111\u00e2u r\u1ebb v\u00e0 uy t\u00edn?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-ai-vn\/\">T\u00ean mi\u1ec1n ai.vn l\u00e0 g\u00ec? Mang l\u1ea1i l\u1ee3i \u00edch g\u00ec khi s\u1eed d\u1ee5ng?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-id-vn\/\">T\u00ean mi\u1ec1n id.vn l\u00e0 g\u00ec? L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n id.vn<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-io-vn\/\">T\u00ean mi\u1ec1n io.vn l\u00e0 g\u00ec? Mang l\u1ea1i l\u1ee3i \u00edch g\u00ec khi s\u1eed d\u1ee5ng?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-net\/\">T\u00ean mi\u1ec1n .net l\u00e0 g\u00ec? L\u1ee3i \u00edch khi s\u1eed d\u1ee5ng t\u00ean mi\u1ec1n .net gi\u00e1 r\u1ebb<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-info\/\">T\u00ean mi\u1ec1n .info l\u00e0 g\u00ec? N\u00ean mua t\u00ean mi\u1ec1n .info \u1edf \u0111\u00e2u r\u1ebb nh\u1ea5t<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/chon-ten-mien\/\">M\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 ch\u1ecdn t\u00ean mi\u1ec1n thu h\u00fat m\u1ecdi kh\u00e1ch h\u00e0ng<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-chuan-seo\/\">T\u00ean mi\u1ec1n chu\u1ea9n SEO c\u1ea7n \u0111\u00e1p \u1ee9ng ti\u00eau ch\u00ed n\u00e0o? H\u01b0\u1edbng d\u1eabn c\u00e1ch ch\u1ecdn t\u00ean mi\u1ec1n<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/nha-cung-cap-ten-mien\/\">Top c\u00e1c nh\u00e0 cung c\u1ea5p t\u00ean mi\u1ec1n uy t\u00edn. N\u00ean ch\u1ecdn \u0111\u01a1n v\u1ecb n\u00e0o?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/dau-tu-ten-mien\/\">B\u00ed quy\u1ebft \u0111\u1ea7u t\u01b0 t\u00ean mi\u1ec1n t\u1ea1o n\u00ean gi\u00e1 tr\u1ecb cao<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/cach-dang-ky-ten-mien-mien-phi\/\">C\u00e1ch \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n mi\u1ec5n ph\u00ed: \u0110\u01a1n gi\u1ea3n, ai c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/mua-ban-ten-mien\/\">H\u01b0\u1edbng d\u1eabn mua b\u00e1n t\u00ean mi\u1ec1n chi ti\u1ebft cho ng\u01b0\u1eddi m\u1edbi<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/bao-mat-ten-mien-la-gi\/\">B\u1ea3o m\u1eadt t\u00ean mi\u1ec1n l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn b\u1ea3o m\u1eadt t\u00ean mi\u1ec1n t\u1eeb A-Z<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-1-ky-tu\/\">C\u00e1ch mua T\u00ean mi\u1ec1n 1 k\u00fd t\u1ef1: \u0110\u1ed9c \u0111\u00e1o v\u00e0 \u0111\u1eb3ng c\u1ea5p<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ten-mien-gia-re\/\">H\u01b0\u1edbng d\u1eabn mua t\u00ean mi\u1ec1n gi\u00e1 r\u1ebb t\u1ea1i Tenten cho ng\u01b0\u1eddi m\u1edbi<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/ban-ghi-ten-mien\/\">M\u1ecdi \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 c\u00e1c b\u1ea3n ghi t\u00ean mi\u1ec1n, \u0111\u1ecdc ngay nh\u00e9!<\/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\/quyen-so-huu-ten-mien\/\">H\u01b0\u1edbng d\u1eabn x\u00e1c minh quy\u1ec1n s\u1edf h\u1eefu t\u00ean mi\u1ec1n chi ti\u1ebft nh\u1ea5t<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/doi-ten-mien\/\">\u0110\u1ed5i t\u00ean mi\u1ec1n website c\u1ea7n l\u01b0u \u00fd \u0111i\u1ec1u g\u00ec? C\u1ea7n chu\u1ea9n b\u1ecb g\u00ec khi \u0111\u1ed5i t\u00ean mi\u1ec1n?<\/a><\/li>\n<li><a href=\"https:\/\/cloud.z.com\/vn\/news\/duy-tri-ten-mien\/\">Kh\u00f4ng duy tr\u00ec t\u00ean mi\u1ec1n c\u00f3 h\u1eadu qu\u1ea3 g\u00ec? B\u1ea3ng ph\u00ed duy tr\u00ec t\u00ean mi\u1ec1n c\u1ef1c r\u1ebb<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Flush DNS, hay x\u00f3a cache DNS, l\u00e0 gi\u1ea3i ph\u00e1p gi\u00fap b\u1ea3o v\u1ec7 quy\u1ec1n ri\u00eang t\u01b0 c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i li\u00ean quan HTTP, v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng DNS spoofing. Nh\u01b0ng b\u1ea1n \u0111\u00e3 bi\u1ebft c\u00e1ch x\u00f3a...<\/p>\n","protected":false},"author":28,"featured_media":11645,"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\/10\/xoa-cache-dns-1.jpg","_links":{"self":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11643"}],"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=11643"}],"version-history":[{"count":4,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11643\/revisions"}],"predecessor-version":[{"id":11728,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/posts\/11643\/revisions\/11728"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media\/11645"}],"wp:attachment":[{"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/media?parent=11643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/categories?post=11643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cloud.z.com\/vn\/en\/wp-json\/wp\/v2\/tags?post=11643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}