{"id":16111,"date":"2021-02-21T18:07:33","date_gmt":"2021-02-21T11:07:33","guid":{"rendered":"https:\/\/blog.tinohost.com\/?p=7967"},"modified":"2026-10-28T11:40:14","modified_gmt":"2026-10-28T04:40:14","slug":"ipconfig-flushdns-la-gi","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/ipconfig-flushdns-la-gi\/","title":{"rendered":"ipconfig \/flushdns l\u00e0 g\u00ec? C\u00e1ch xo\u00e1 cache DNS tr\u00ean Windows, macOS, Linux"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong><code>ipconfig \/flushdns<\/code> l\u00e0 l\u1ec7nh tr\u00ean Windows xo\u00e1 b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u1ee7a m\u00e1y (DNS Client resolver cache), \u0111\u1ec3 l\u1ea7n truy c\u1eadp sau m\u00e1y h\u1ecfi l\u1ea1i m\u00e1y ch\u1ee7 DNS v\u00e0 nh\u1eadn \u0111\u1ecba ch\u1ec9 IP m\u1edbi. M\u1edf Command Prompt ho\u1eb7c Terminal, g\u00f5 <code>ipconfig \/flushdns<\/code> v\u00e0 nh\u1ea5n Enter; khi th\u00e0nh c\u00f4ng, Windows b\u00e1o &#8220;Successfully flushed the DNS Resolver Cache&#8221;.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ec7nh n\u00e0y hay d\u00f9ng khi website v\u1eeba \u0111\u1ed5i hosting, v\u1eeba s\u1eeda b\u1ea3n ghi c\u1ee7a <a href=\"https:\/\/tino.vn\/blog\/ten-mien-la-gi\/\">t\u00ean mi\u1ec1n<\/a> m\u00e0 m\u00e1y b\u1ea1n v\u1eabn v\u00e0o \u0111\u1ecba ch\u1ec9 c\u0169. DNS l\u00e0 h\u1ec7 th\u1ed1ng d\u1ecbch t\u00ean mi\u1ec1n th\u00e0nh IP (<a href=\"https:\/\/tino.vn\/blog\/dns-la-gi\/\">DNS l\u00e0 g\u00ec<\/a>); b\u00e0i vi\u1ebft gi\u1ea3i th\u00edch ipconfig, c\u00e1c l\u1edbp cache DNS v\u00e0 c\u00e1ch xo\u00e1 cache tr\u00ean Windows, macOS, Linux, tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>C\u1eadp nh\u1eadt 10\/2026: l\u1ec7nh v\u00e0 tham s\u1ed1 \u0111\u1ed1i chi\u1ebfu Microsoft Learn ng\u00e0y 27\/10\/2026. \u1ea2nh ch\u1ee5p tr\u00ean Windows 10 (2021); tr\u00ean Windows 11, c\u00e1c l\u1ec7nh gi\u1eef nguy\u00ean, ch\u1ec9 kh\u00e1c c\u00e1ch m\u1edf c\u1eeda s\u1ed5 d\u00f2ng l\u1ec7nh.<\/em><\/p>\n\n\n\n<h2 id=\"ipconfig_l\u00e0_g\u00ec?\">ipconfig l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ipconfig (Internet Protocol configuration) l\u00e0 l\u1ec7nh d\u00f2ng l\u1ec7nh c\u00f3 s\u1eb5n tr\u00ean Windows, hi\u1ec3n th\u1ecb c\u1ea5u h\u00ecnh TCP\/IP c\u1ee7a c\u00e1c card m\u1ea1ng v\u00e0 l\u00e0m m\u1edbi c\u1ea5u h\u00ecnh DHCP, DNS. Ch\u1ea1y kh\u00f4ng k\u00e8m tham s\u1ed1, ipconfig in \u0111\u1ecba ch\u1ec9 IPv4, IPv6, subnet mask v\u00e0 default gateway c\u1ee7a m\u1ecdi adapter, theo <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/administration\/windows-commands\/ipconfig\" target=\"_blank\" rel=\"noopener nofollow\">t\u00e0i li\u1ec7u ipconfig c\u1ee7a Microsoft<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1edd ipconfig, b\u1ea1n xem \u0111\u01b0\u1ee3c <a href=\"https:\/\/tino.vn\/blog\/dia-chi-ip-la-gi\/\">\u0111\u1ecba ch\u1ec9 IP<\/a> m\u00e1y \u0111ang d\u00f9ng, xin c\u1ea5p l\u1ea1i IP t\u1eeb DHCP, xem v\u00e0 xo\u00e1 b\u1ed9 nh\u1edb \u0111\u1ec7m DNS. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y thu\u1ed9c b\u1ed9 giao th\u1ee9c <a href=\"https:\/\/tino.vn\/blog\/tcp-ip-la-gi\/\">TCP\/IP<\/a>.<\/p>\n\n\n\n<h3 id=\"C\u00e1ch_s\u1eed_d\u1ee5ng_ipconfig\">C\u00e1ch s\u1eed d\u1ee5ng ipconfig<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf Command Prompt: nh\u1ea5n <strong>Windows + R<\/strong>, g\u00f5 <code>cmd<\/code> r\u1ed3i ch\u1ecdn <strong>OK<\/strong>. Tr\u00ean Windows 11 c\u00f3 th\u1ec3 b\u1ea5m chu\u1ed9t ph\u1ea3i n\u00fat Start v\u00e0 ch\u1ecdn Terminal.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2021\/02\/kkk.png\" alt=\"H\u1ed9p tho\u1ea1i Run tr\u00ean Windows v\u1edbi l\u1ec7nh cmd v\u00e0 n\u00fat OK \u0111\u01b0\u1ee3c khoanh \u0111\u1ecf\" class=\"wp-image-7999\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u01b0\u1edbc 2:<\/strong> G\u00f5 <code>ipconfig<\/code> v\u00e0 nh\u1ea5n Enter. K\u1ebft qu\u1ea3 g\u1ed3m c\u00e1c d\u00f2ng ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IPv6 Address, Temporary IPv6 Address:<\/strong> \u0111\u1ecba ch\u1ec9 IPv6 c\u00f4ng c\u1ed9ng c\u1ee7a m\u00e1y, n\u1ebfu nh\u00e0 m\u1ea1ng c\u1ea5p IPv6.<\/li>\n\n\n<li><strong>Link-local IPv6 Address:<\/strong> \u0111\u1ecba ch\u1ec9 IPv6 ch\u1ec9 d\u00f9ng trong m\u1ea1ng n\u1ed9i b\u1ed9, b\u1eaft \u0111\u1ea7u b\u1eb1ng <code>fe80::<\/code>.<\/li>\n\n\n<li><strong>IPv4 Address:<\/strong> \u0111\u1ecba ch\u1ec9 IPv4 c\u1ee7a m\u00e1y trong m\u1ea1ng LAN, v\u00ed d\u1ee5 <code>192.168.1.26<\/code>.<\/li>\n\n\n<li><strong>Subnet Mask:<\/strong> m\u1eb7t n\u1ea1 m\u1ea1ng, cho bi\u1ebft d\u1ea3i \u0111\u1ecba ch\u1ec9 c\u1ee7a m\u1ea1ng LAN.<\/li>\n\n\n<li><strong>Default Gateway:<\/strong> \u0111\u1ecba ch\u1ec9 router m\u00e0 m\u00e1y g\u1eedi l\u01b0u l\u01b0\u1ee3ng ra Internet.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"375\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-ket-qua-ipconfig-che.webp\" alt=\"K\u1ebft qu\u1ea3 l\u1ec7nh ipconfig trong Command Prompt Windows 10: Link-local IPv6, IPv4 192.168.1.26, Subnet Mask 255.255.255.0, Default Gateway 192.168.1.1; hai d\u00f2ng IPv6 c\u00f4ng c\u1ed9ng \u0111\u00e3 che\" class=\"wp-image-132635\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-ket-qua-ipconfig-che.webp 800w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-ket-qua-ipconfig-che-300x141.webp 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-ket-qua-ipconfig-che-768x360.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u01b0\u1edbc 3:<\/strong> Mu\u1ed1n xin IP m\u1edbi t\u1eeb router, ch\u1ea1y <code>ipconfig \/release<\/code> \u0111\u1ec3 tr\u1ea3 IP hi\u1ec7n t\u1ea1i, r\u1ed3i <code>ipconfig \/renew<\/code> \u0111\u1ec3 nh\u1eadn IP m\u1edbi. Gi\u1eefa hai l\u1ec7nh, m\u00e1y m\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng trong gi\u00e2y l\u00e1t.<\/p>\n\n\n\n<h3 id=\"C\u00e1c_tham_s\u1ed1_c\u1ee7a_l\u1ec7nh_ipconfig\">C\u00e1c tham s\u1ed1 c\u1ee7a l\u1ec7nh ipconfig<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng d\u01b0\u1edbi t\u00f3m t\u1eaft c\u00e1c tham s\u1ed1 theo <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/administration\/windows-commands\/ipconfig\" target=\"_blank\" rel=\"noopener nofollow\">Microsoft Learn<\/a> (c\u1eadp nh\u1eadt 16\/02\/2026). C\u00f3 th\u1ec3 g\u00f5 <code>ipconfig \/?<\/code> \u0111\u1ec3 xem tr\u1ee3 gi\u00fap ngay tr\u00ean m\u00e1y.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>L\u1ec7nh<\/th><th>T\u00e1c d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td><code>ipconfig \/all<\/code><\/td><td>Hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 c\u1ea5u h\u00ecnh TCP\/IP c\u1ee7a m\u1ecdi adapter, g\u1ed3m \u0111\u1ecba ch\u1ec9 MAC, m\u00e1y ch\u1ee7 DNS, m\u00e1y ch\u1ee7 DHCP<\/td><\/tr><tr><td><code>ipconfig \/displaydns<\/code><\/td><td>Hi\u1ec7n n\u1ed9i dung b\u1ed9 nh\u1edb \u0111\u1ec7m DNS, g\u1ed3m b\u1ea3n ghi n\u1ea1p t\u1eeb t\u1ec7p hosts v\u00e0 b\u1ea3n ghi v\u1eeba ph\u00e2n gi\u1ea3i<\/td><\/tr><tr><td><code>ipconfig \/flushdns<\/code><\/td><td>Xo\u00e1 v\u00e0 \u0111\u1eb7t l\u1ea1i b\u1ed9 nh\u1edb \u0111\u1ec7m DNS, k\u1ec3 c\u1ea3 k\u1ebft qu\u1ea3 \u00e2m (t\u00ean kh\u00f4ng t\u1ed3n t\u1ea1i) \u0111\u00e3 l\u01b0u<\/td><\/tr><tr><td><code>ipconfig \/registerdns<\/code><\/td><td>\u0110\u0103ng k\u00fd l\u1ea1i t\u00ean v\u00e0 IP c\u1ee7a m\u00e1y l\u00ean m\u00e1y ch\u1ee7 DNS (d\u00f9ng trong m\u1ea1ng doanh nghi\u1ec7p)<\/td><\/tr><tr><td><code>ipconfig \/release<\/code>, <code>\/release6<\/code><\/td><td>Tr\u1ea3 c\u1ea5u h\u00ecnh DHCP IPv4 ho\u1eb7c IPv6 hi\u1ec7n t\u1ea1i<\/td><\/tr><tr><td><code>ipconfig \/renew<\/code>, <code>\/renew6<\/code><\/td><td>Xin l\u1ea1i c\u1ea5u h\u00ecnh DHCP IPv4 ho\u1eb7c IPv6<\/td><\/tr><tr><td><code>ipconfig \/showclassid<\/code>, <code>\/setclassid<\/code><\/td><td>Xem ho\u1eb7c \u0111\u1eb7t DHCP class ID c\u1ee7a adapter<\/td><\/tr><tr><td><code>ipconfig \/allcompartments<\/code><\/td><td>Hi\u1ec7n c\u1ea5u h\u00ecnh c\u1ee7a m\u1ecdi compartment m\u1ea1ng<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tham s\u1ed1 ipconfig theo Microsoft Learn, \u0111\u1ed1i chi\u1ebfu 27\/10\/2026<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1440\" height=\"192\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-tham-so-microsoft-learn.webp\" alt=\"\u1ea2nh ch\u1ee5p d\u00f2ng \/flushdns trong b\u1ea3ng tham s\u1ed1 c\u1ee7a trang ipconfig tr\u00ean Microsoft Learn: Flushes and resets the contents of the DNS client resolver cache, d\u00f9ng khi x\u1eed l\u00fd s\u1ef1 c\u1ed1 DNS \u0111\u1ec3 b\u1ecf c\u1ea3 k\u1ebft qu\u1ea3 \u00e2m \u0111\u00e3 l\u01b0u; khoanh \u0111\u1ecf ph\u1ea7n m\u00f4 t\u1ea3\" class=\"wp-image-132636\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-tham-so-microsoft-learn.webp 1440w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-tham-so-microsoft-learn-300x40.webp 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-tham-so-microsoft-learn-1024x137.webp 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-tham-so-microsoft-learn-768x102.webp 768w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/><figcaption class=\"wp-element-caption\">\u1ea2nh ch\u1ee5p trang <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/administration\/windows-commands\/ipconfig\" target=\"_blank\" rel=\"noopener nofollow\">ipconfig tr\u00ean Microsoft Learn<\/a> ng\u00e0y 27\/10\/2026.<\/figcaption><\/figure>\n\n\n\n<h2 id=\"ipconfig_\/flushdns_d\u00f9ng_\u0111\u1ec3_l\u00e0m_g\u00ec?\">ipconfig \/flushdns d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ipconfig \/flushdns xo\u00e1 c\u00e1c k\u1ebft qu\u1ea3 DNS m\u00e0 Windows \u0111ang gi\u1eef, \u0111\u1ec3 m\u00e1y kh\u00f4ng d\u00f9ng ti\u1ebfp IP c\u0169 ho\u1eb7c k\u1ebft qu\u1ea3 &#8220;kh\u00f4ng t\u1ed3n t\u1ea1i&#8221; \u0111\u00e3 l\u01b0u tr\u01b0\u1edbc \u0111\u00f3. Windows l\u01b0u k\u1ebft qu\u1ea3 DNS \u0111\u1ec3 l\u1ea7n truy c\u1eadp sau nhanh h\u01a1n; nh\u01b0ng khi t\u00ean mi\u1ec1n v\u1eeba \u0111\u1ed5i IP, b\u1ea3n l\u01b0u c\u0169 khi\u1ebfn m\u00e1y v\u1eabn v\u00e0o m\u00e1y ch\u1ee7 c\u0169 cho t\u1edbi khi h\u1ebft h\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i Windows, k\u1ebft qu\u1ea3 tra c\u1ee9u c\u00f2n \u0111\u01b0\u1ee3c l\u01b0u \u1edf n\u01a1i kh\u00e1c. Ph\u00eda tr\u00ean c\u00f2n b\u1ed9 nh\u1edb c\u1ee7a Chrome, Edge; ph\u00eda d\u01b0\u1edbi l\u00e0 m\u00e1y ch\u1ee7 ph\u00e2n gi\u1ea3i m\u00e0 m\u00e1y \u0111ang d\u00f9ng, nh\u01b0 router gia \u0111\u00ecnh hay DNS c\u00f4ng c\u1ed9ng. M\u1ed7i n\u01a1i xo\u00e1 theo c\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1400\" height=\"750\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-cac-lop-cache.webp\" alt=\"S\u01a1 \u0111\u1ed3 b\u1ed1n l\u1edbp cache DNS v\u00e0 c\u00e1ch xo\u00e1: tr\u00ecnh duy\u1ec7t (chrome:\/\/net-internals\/#dns), h\u1ec7 \u0111i\u1ec1u h\u00e0nh (ipconfig \/flushdns), resolver (trang Flush cache c\u1ee7a Google, Cloudflare), DNS c\u00f3 th\u1ea9m quy\u1ec1n kh\u00f4ng c\u1ea7n xo\u00e1; flushdns ch\u1ec9 xo\u00e1 l\u1edbp h\u1ec7 \u0111i\u1ec1u h\u00e0nh\" class=\"wp-image-132633\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-cac-lop-cache.webp 1400w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-cac-lop-cache-300x161.webp 300w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-cac-lop-cache-1024x549.webp 1024w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-cac-lop-cache-768x411.webp 768w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00ean ch\u1ea1y l\u1ec7nh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eeba chuy\u1ec3n website sang hosting m\u1edbi ho\u1eb7c s\u1eeda b\u1ea3n ghi A, m\u00e1y b\u1ea1n v\u1eabn hi\u1ec7n website c\u0169 trong khi m\u00e1y kh\u00e1c \u0111\u00e3 th\u1ea5y b\u1ea3n m\u1edbi.<\/li>\n\n\n<li>Tr\u01b0\u1edbc \u0111\u00f3 t\u00ean mi\u1ec1n ch\u01b0a tr\u1ecf (b\u1ecb l\u01b0u k\u1ebft qu\u1ea3 &#8220;kh\u00f4ng t\u1ed3n t\u1ea1i&#8221;), nay \u0111\u00e3 tr\u1ecf nh\u01b0ng m\u00e1y v\u1eabn b\u00e1o l\u1ed7i kh\u00f4ng t\u00ecm th\u1ea5y.<\/li>\n\n\n<li>V\u1eeba s\u1eeda t\u1ec7p hosts v\u00e0 mu\u1ed1n thay \u0111\u1ed5i c\u00f3 hi\u1ec7u l\u1ef1c ngay.<\/li>\n\n\n<li>\u0110\u1ed5i m\u00e1y ch\u1ee7 DNS c\u1ee7a card m\u1ea1ng ho\u1eb7c v\u1eeba t\u1eaft VPN, mu\u1ed1n m\u00e1y h\u1ecfi l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"C\u00e1ch_xo\u00e1_cache_DNS_tr\u00ean_Windows_10,_Windows_11\">C\u00e1ch xo\u00e1 cache DNS tr\u00ean Windows 10, Windows 11<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean Windows 10 v\u00e0 11, xo\u00e1 cache DNS b\u1eb1ng m\u1ed9t l\u1ec7nh trong Command Prompt, PowerShell ho\u1eb7c Terminal: <code>ipconfig \/flushdns<\/code>. N\u1ebfu c\u1eeda s\u1ed5 b\u00e1o c\u1ea7n quy\u1ec1n qu\u1ea3n tr\u1ecb, m\u1edf l\u1ea1i b\u1eb1ng Run as administrator r\u1ed3i ch\u1ea1y l\u1ea1i; l\u1ec7nh kh\u00f4ng l\u00e0m m\u1ea5t d\u1eef li\u1ec7u hay ng\u1eaft m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u01b0\u1edbc 1:<\/strong> B\u1ea5m Start, g\u00f5 <code>cmd<\/code> (ho\u1eb7c Terminal), ch\u1ecdn <strong>Run as administrator<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u01b0\u1edbc 2:<\/strong> G\u00f5 l\u1ec7nh v\u00e0 nh\u1ea5n Enter:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ipconfig \/flushdns<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u01b0\u1edbc 3:<\/strong> K\u1ebft qu\u1ea3 th\u00e0nh c\u00f4ng l\u00e0 d\u00f2ng &#8220;Successfully flushed the DNS Resolver Cache.&#8221; \u0110\u00f3ng c\u1eeda s\u1ed5 v\u00e0 m\u1edf l\u1ea1i website.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Th\u1eed ng\u00e0y 27\/10\/2026 tr\u00ean Windows 11 build 26200, ch\u1ea1y t\u1eeb c\u1eeda s\u1ed5 kh\u00f4ng c\u00f3 quy\u1ec1n qu\u1ea3n tr\u1ecb, l\u1ec7nh tr\u1ea3 &#8220;The requested operation requires elevation.&#8221;; m\u1edf l\u1ea1i c\u1eeda s\u1ed5 b\u1eb1ng Run as administrator l\u00e0 c\u00e1ch x\u1eed l\u00fd.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong PowerShell c\u00f3 l\u1ec7nh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, k\u00e8m l\u1ec7nh xem cache \u0111\u1ec3 ki\u1ec3m:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Clear-DnsClientCache\nGet-DnsClientCache<\/code><\/pre>\n\n\n\n<h3 id=\"Windows_7,_Windows_Vista\">Windows 7, Windows Vista<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean Windows 7 v\u00e0 Vista, m\u1edf Start \u2192 All Programs \u2192 Accessories, chu\u1ed9t ph\u1ea3i Command Prompt, ch\u1ecdn Run as administrator r\u1ed3i g\u00f5 <code>ipconfig \/flushdns<\/code>. Hai h\u1ec7 \u0111i\u1ec1u h\u00e0nh n\u00e0y \u0111\u00e3 h\u1ebft h\u1ed7 tr\u1ee3 t\u1eeb Microsoft, n\u00ean ch\u1ec9 d\u00f9ng cho m\u00e1y c\u0169 c\u00f2n s\u00f3t l\u1ea1i.<\/p>\n\n\n\n<h2 id=\"C\u00e1ch_xo\u00e1_cache_DNS_tr\u00ean_macOS\">C\u00e1ch xo\u00e1 cache DNS tr\u00ean macOS<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean macOS, xo\u00e1 cache DNS b\u1eb1ng Terminal (Applications \u2192 Utilities \u2192 Terminal) v\u1edbi l\u1ec7nh d\u01b0\u1edbi \u0111\u00e2y, nh\u1eadp m\u1eadt kh\u1ea9u m\u00e1y khi \u0111\u01b0\u1ee3c h\u1ecfi. L\u1ec7nh kh\u00f4ng in k\u1ebft qu\u1ea3 khi th\u00e0nh c\u00f4ng. macOS kh\u00f4ng c\u00f3 l\u1ec7nh ipconfig \/flushdns; l\u1ec7nh ipconfig c\u1ee7a macOS l\u00e0 c\u00f4ng c\u1ee5 kh\u00e1c.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Apple hi\u1ec7n kh\u00f4ng c\u00f3 trang h\u01b0\u1edbng d\u1eabn ch\u00ednh th\u1ee9c cho l\u1ec7nh n\u00e0y; \u0111\u00e2y l\u00e0 l\u1ec7nh d\u00f9ng ph\u1ed5 bi\u1ebfn cho c\u00e1c b\u1ea3n macOS g\u1ea7n \u0111\u00e2y. Tr\u00ean b\u1ea3n m\u1edbi, ri\u00eang ph\u1ea7n <code>killall -HUP mDNSResponder<\/code> th\u01b0\u1eddng \u0111\u00e3 \u0111\u1ee7.<\/em><\/p>\n\n\n\n<h2 id=\"C\u00e1ch_xo\u00e1_cache_DNS_tr\u00ean_Linux\">C\u00e1ch xo\u00e1 cache DNS tr\u00ean Linux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean Ubuntu v\u00e0 c\u00e1c b\u1ea3n Linux d\u00f9ng systemd-resolved, ch\u1ea1y <code>resolvectl flush-caches<\/code>; theo <a href=\"https:\/\/www.freedesktop.org\/software\/systemd\/man\/latest\/resolvectl.html\" target=\"_blank\" rel=\"noopener nofollow\">t\u00e0i li\u1ec7u resolvectl<\/a>, l\u1ec7nh n\u00e0y xo\u00e1 m\u1ecdi b\u1ed9 nh\u1edb \u0111\u1ec7m b\u1ea3n ghi DNS m\u00e0 d\u1ecbch v\u1ee5 \u0111ang gi\u1eef. M\u00e1y kh\u00f4ng d\u00f9ng systemd-resolved (d\u00f9ng dnsmasq, nscd) th\u00ec kh\u1edfi \u0111\u1ed9ng l\u1ea1i d\u1ecbch v\u1ee5 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo resolvectl flush-caches\nresolvectl statistics<\/code><\/pre>\n\n\n\n<h2 id=\"Xo\u00e1_cache_DNS_c\u1ee7a_tr\u00ecnh_duy\u1ec7t_Chrome,_Edge\">Xo\u00e1 cache DNS c\u1ee7a tr\u00ecnh duy\u1ec7t Chrome, Edge<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chrome v\u00e0 Edge gi\u1eef b\u1ed9 nh\u1edb \u0111\u1ec7m DNS ri\u00eang, n\u00ean sau khi flush DNS c\u1ee7a h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e0 tr\u00ecnh duy\u1ec7t v\u1eabn v\u00e0o IP c\u0169, h\u00e3y xo\u00e1 th\u00eam \u1edf tr\u00ecnh duy\u1ec7t. M\u1edf <code>chrome:\/\/net-internals\/#dns<\/code> (Edge: <code>edge:\/\/net-internals\/#dns<\/code>) v\u00e0 b\u1ea5m <strong>Clear host cache<\/strong>, r\u1ed3i t\u1ea3i l\u1ea1i trang.<\/p>\n\n\n\n<h2 id=\"Xo\u00e1_cache_DNS_tr\u00ean_Google_Public_DNS_v\u00e0_Cloudflare_1.1.1.1\">Xo\u00e1 cache DNS tr\u00ean Google Public DNS v\u00e0 Cloudflare 1.1.1.1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu m\u00e1y d\u00f9ng DNS 8.8.8.8 ho\u1eb7c 1.1.1.1, resolver c\u1ee7a Google ho\u1eb7c Cloudflare c\u00f3 th\u1ec3 c\u00f2n gi\u1eef b\u1ea3n ghi c\u0169 t\u1edbi h\u1ebft TTL. C\u1ea3 hai c\u00f3 trang cho ph\u00e9p y\u00eau c\u1ea7u xo\u00e1 cache c\u1ee7a m\u1ed9t t\u00ean mi\u1ec1n: <a href=\"https:\/\/developers.google.com\/speed\/public-dns\/cache\" target=\"_blank\" rel=\"noopener nofollow\">Flush Cache c\u1ee7a Google Public DNS<\/a> v\u00e0 <a href=\"https:\/\/one.one.one.one\/purge-cache\/\" target=\"_blank\" rel=\"noopener nofollow\">Purge Cache c\u1ee7a Cloudflare 1.1.1.1<\/a>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nh\u1eadp t\u00ean mi\u1ec1n c\u1ea7n xo\u00e1, ch\u1ecdn lo\u1ea1i b\u1ea3n ghi (th\u01b0\u1eddng l\u00e0 A; v\u1edbi email l\u00e0 MX).<\/li>\n\n\n<li>Ho\u00e0n t\u1ea5t b\u01b0\u1edbc x\u00e1c minh ng\u01b0\u1eddi d\u00f9ng c\u1ee7a trang r\u1ed3i g\u1eedi y\u00eau c\u1ea7u.<\/li>\n\n\n<li>Google khuy\u00ean xo\u00e1 t\u00ean mi\u1ec1n ch\u00ednh tr\u01b0\u1edbc r\u1ed3i m\u1edbi t\u1edbi subdomain khi v\u1eeba \u0111\u1ed5i nh\u00e0 \u0111\u0103ng k\u00fd ho\u1eb7c n\u01a1i qu\u1ea3n l\u00fd DNS.<\/li>\n\n\n<li>Sau khi xo\u00e1 \u1edf resolver, ch\u1ea1y l\u1ea1i l\u1ec7nh flush tr\u00ean m\u00e1y \u0111\u1ec3 m\u00e1y h\u1ecfi l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"720\" height=\"500\" src=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-google-flush-cache.webp\" alt=\"\u1ea2nh ch\u1ee5p trang X\u00f3a b\u1ed9 nh\u1edb \u0111\u1ec7m c\u1ee7a Google Public DNS: l\u01b0u \u00fd xo\u00e1 t\u00ean mi\u1ec1n ch\u00ednh tr\u01b0\u1edbc khi xo\u00e1 mi\u1ec1n con n\u1ebfu v\u1eeba \u0111\u1ed5i nh\u00e0 \u0111\u0103ng k\u00fd ho\u1eb7c n\u01a1i l\u01b0u tr\u1eef DNS, bi\u1ec3u m\u1eabu Flush Cache g\u1ed3m \u00f4 Domain Name v\u00e0 RR Type (m\u1eb7c \u0111\u1ecbnh A), n\u00fat Flush Cache; khoanh \u0111\u1ecf l\u01b0u \u00fd v\u00e0 hai \u00f4 nh\u1eadp\" class=\"wp-image-132634\" title=\"\" srcset=\"https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-google-flush-cache.webp 720w, https:\/\/tino.vn\/blog\/wp-content\/uploads\/2026\/10\/ipconfig-flushdns-la-gi-google-flush-cache-300x208.webp 300w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><figcaption class=\"wp-element-caption\">\u1ea2nh ch\u1ee5p trang <a href=\"https:\/\/developers.google.com\/speed\/public-dns\/cache\" target=\"_blank\" rel=\"noopener nofollow\">Flush Cache c\u1ee7a Google Public DNS<\/a> ng\u00e0y 28\/10\/2026 (ch\u01b0a g\u1eedi y\u00eau c\u1ea7u; khi g\u1eedi, trang y\u00eau c\u1ea7u x\u00e1c minh reCAPTCHA).<\/figcaption><\/figure>\n\n\n\n<h2 id=\"Khi_n\u00e0o_flush_DNS_kh\u00f4ng_gi\u1ea3i_quy\u1ebft_\u0111\u01b0\u1ee3c?\">Khi n\u00e0o flush DNS kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Flush DNS ch\u1ec9 gi\u00fap khi l\u1ed7i do k\u1ebft qu\u1ea3 c\u0169 c\u00f2n l\u01b0u tr\u00ean m\u00e1y. N\u1ebfu t\u00ean mi\u1ec1n ch\u01b0a tr\u1ecf \u0111\u00fang, \u0111\u00e3 h\u1ebft h\u1ea1n, nameserver sai, ho\u1eb7c resolver c\u1ee7a nh\u00e0 m\u1ea1ng c\u00f2n gi\u1eef b\u1ea3n ghi c\u0169, l\u1ec7nh ch\u1ea1y th\u00e0nh c\u00f4ng m\u00e0 website v\u1eabn l\u1ed7i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m b\u1ea3n ghi tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ed9t resolver kh\u00e1c: <code>nslookup example.vn 8.8.8.8<\/code>. K\u1ebft qu\u1ea3 sai ngh\u0129a l\u00e0 l\u1ed7i n\u1eb1m \u1edf DNS c\u1ee7a t\u00ean mi\u1ec1n, xem <a href=\"https:\/\/tino.vn\/blog\/name-servers-la-gi\/\">nameserver l\u00e0 g\u00ec<\/a>.<\/li>\n\n\n<li>T\u00ean mi\u1ec1n c\u00f3 th\u1ec3 \u0111\u00e3 h\u1ebft h\u1ea1n: <a href=\"https:\/\/tino.vn\/blog\/kiem-tra-thong-tin-ten-mien\/\">c\u00e1ch ki\u1ec3m tra t\u00ean mi\u1ec1n c\u00f2n h\u1ea1n<\/a>.<\/li>\n\n\n<li>Tr\u00ean \u0111i\u1ec7n tho\u1ea1i b\u00e1o DNS_PROBE_FINISHED_NXDOMAIN: xem <a href=\"https:\/\/tino.vn\/blog\/cach-sua-loi-dns-probe-finished-nxdomain-tren-dien-thoai\/\">c\u00e1ch s\u1eeda l\u1ed7i DNS_PROBE_FINISHED_NXDOMAIN tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/a>.<\/li>\n\n\n<li>T\u1ec7p hosts (C:\\Windows\\System32\\drivers\\etc\\hosts) c\u00f3 d\u00f2ng ghi \u0111\u00e8 t\u00ean mi\u1ec1n: xo\u00e1 d\u00f2ng \u0111\u00f3 r\u1ed3i flush l\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"K\u1ebft_lu\u1eadn\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ipconfig \/flushdns l\u00e0 b\u01b0\u1edbc nhanh, an to\u00e0n \u0111\u1ec3 Windows b\u1ecf k\u1ebft qu\u1ea3 DNS c\u0169, h\u1eefu \u00edch ngay sau khi \u0111\u1ed5i hosting ho\u1eb7c s\u1eeda b\u1ea3n ghi t\u00ean mi\u1ec1n. N\u1ebfu v\u1eabn l\u1ed7i, xo\u00e1 th\u00eam cache tr\u00ecnh duy\u1ec7t v\u00e0 resolver, r\u1ed3i ki\u1ec3m b\u1ea3n ghi b\u1eb1ng nslookup \u0111\u1ec3 bi\u1ebft l\u1ed7i n\u1eb1m \u1edf m\u00e1y hay \u1edf DNS c\u1ee7a t\u00ean mi\u1ec1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u00e0i vi\u1ebft li\u00ean quan:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/tino.vn\/blog\/dns-la-gi\/\">DNS l\u00e0 g\u00ec<\/a><\/li>\n\n\n<li><a href=\"https:\/\/tino.vn\/blog\/name-servers-la-gi\/\">Name server l\u00e0 g\u00ec<\/a><\/li>\n\n\n<li><a href=\"https:\/\/tino.vn\/blog\/cach-sua-loi-dns-probe-finished-nxdomain-tren-dien-thoai\/\">S\u1eeda l\u1ed7i DNS_PROBE_FINISHED_NXDOMAIN tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/a><\/li>\n\n\n<li><a href=\"https:\/\/tino.vn\/blog\/ddns-la-gi\/\">DDNS l\u00e0 g\u00ec<\/a><\/li>\n\n\n<li><a href=\"https:\/\/tino.vn\/blog\/dia-chi-ip-la-gi\/\">\u0110\u1ecba ch\u1ec9 IP l\u00e0 g\u00ec<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n t\u00ean mi\u1ec1n cho website? <a href=\"https:\/\/tino.vn\/ten-mien\">\u0110\u0103ng k\u00fd t\u00ean mi\u1ec1n t\u1ea1i Tino<\/a>: ki\u1ec3m tra t\u00ean mi\u1ec1n c\u00f2n tr\u1ed1ng, \u0111\u0103ng k\u00fd .vn v\u00e0 qu\u1ed1c t\u1ebf, qu\u1ea3n l\u00fd DNS trong m\u1ed9t t\u00e0i kho\u1ea3n. Xem gi\u00e1 tr\u00ean trang s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h2 id=\"C\u00e2u_h\u1ecfi_th\u01b0\u1eddng_g\u1eb7p\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"C\u00f3_n\u00ean_ch\u1ea1y_ipconfig_\/release,_ipconfig_\/renew_c\u00f9ng_ipconfig_\/flushdns_kh\u00f4ng?\">C\u00f3 n\u00ean ch\u1ea1y ipconfig \/release, ipconfig \/renew c\u00f9ng ipconfig \/flushdns kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Ch\u1ec9 khi nghi l\u1ed7i do \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y. \/release v\u00e0 \/renew xin l\u1ea1i IP t\u1eeb router v\u00e0 l\u00e0m m\u1ea5t m\u1ea1ng v\u00e0i gi\u00e2y; \/flushdns ch\u1ec9 xo\u00e1 cache DNS. V\u1edbi l\u1ed7i website kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c sau khi \u0111\u1ed5i hosting, ch\u1ea1y \/flushdns l\u00e0 \u0111\u1ee7.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"Ch\u1ea1y_ipconfig_\/flushdns_c\u00f3_an_to\u00e0n,_c\u00f3_m\u1ea5t_d\u1eef_li\u1ec7u_kh\u00f4ng?\">Ch\u1ea1y ipconfig \/flushdns c\u00f3 an to\u00e0n, c\u00f3 m\u1ea5t d\u1eef li\u1ec7u kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">An to\u00e0n. L\u1ec7nh ch\u1ec9 xo\u00e1 c\u00e1c k\u1ebft qu\u1ea3 tra c\u1ee9u t\u00ean mi\u1ec1n t\u1ea1m th\u1eddi, kh\u00f4ng \u0111\u1ee5ng t\u1edbi t\u1ec7p, m\u1eadt kh\u1ea9u \u0111\u00e3 l\u01b0u hay c\u1ea5u h\u00ecnh m\u1ea1ng. L\u1ea7n truy c\u1eadp \u0111\u1ea7u ti\u00ean sau khi xo\u00e1 c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n m\u1ed9t ch\u00fat v\u00ec m\u00e1y ph\u1ea3i h\u1ecfi l\u1ea1i DNS.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section\t\thelp class=\"sc_fs_faq sc_card    \"\n\t\t\t\t>\n\t\t\t\t<h2 id=\"Sau_khi_flush_DNS_c\u00f3_c\u1ea7n_kh\u1edfi_\u0111\u1ed9ng_l\u1ea1i_m\u00e1y_kh\u00f4ng?\">Sau khi flush DNS c\u00f3 c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y kh\u00f4ng?<\/h2>\t\t\t\t<div>\n\t\t\t\t\t\t<div class=\"sc_fs_faq__content\">\n\t\t\t\t\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng c\u1ea7n. Cache \u0111\u01b0\u1ee3c xo\u00e1 ngay khi l\u1ec7nh b\u00e1o th\u00e0nh c\u00f4ng. Ch\u1ec9 c\u1ea7n \u0111\u00f3ng v\u00e0 m\u1edf l\u1ea1i tr\u00ecnh duy\u1ec7t, ho\u1eb7c xo\u00e1 th\u00eam cache DNS c\u1ee7a tr\u00ecnh duy\u1ec7t n\u1ebfu v\u1eabn v\u00e0o \u0111\u1ecba ch\u1ec9 c\u0169.<\/p>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"C\u00f3 n\u00ean ch\u1ea1y ipconfig \/release, ipconfig \/renew c\u00f9ng ipconfig \/flushdns kh\u00f4ng?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>Ch\u1ec9 khi nghi l\u1ed7i do \u0111\u1ecba ch\u1ec9 IP c\u1ee7a m\u00e1y. \/release v\u00e0 \/renew xin l\u1ea1i IP t\u1eeb router v\u00e0 l\u00e0m m\u1ea5t m\u1ea1ng v\u00e0i gi\u00e2y; \/flushdns ch\u1ec9 xo\u00e1 cache DNS. V\u1edbi l\u1ed7i website kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c sau khi \u0111\u1ed5i hosting, ch\u1ea1y \/flushdns l\u00e0 \u0111\u1ee7.<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Ch\u1ea1y ipconfig \/flushdns c\u00f3 an to\u00e0n, c\u00f3 m\u1ea5t d\u1eef li\u1ec7u kh\u00f4ng?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>An to\u00e0n. L\u1ec7nh ch\u1ec9 xo\u00e1 c\u00e1c k\u1ebft qu\u1ea3 tra c\u1ee9u t\u00ean mi\u1ec1n t\u1ea1m th\u1eddi, kh\u00f4ng \u0111\u1ee5ng t\u1edbi t\u1ec7p, m\u1eadt kh\u1ea9u \u0111\u00e3 l\u01b0u hay c\u1ea5u h\u00ecnh m\u1ea1ng. L\u1ea7n truy c\u1eadp \u0111\u1ea7u ti\u00ean sau khi xo\u00e1 c\u00f3 th\u1ec3 ch\u1eadm h\u01a1n m\u1ed9t ch\u00fat v\u00ec m\u00e1y ph\u1ea3i h\u1ecfi l\u1ea1i DNS.<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"Sau khi flush DNS c\u00f3 c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y kh\u00f4ng?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"<p>Kh\u00f4ng c\u1ea7n. Cache \u0111\u01b0\u1ee3c xo\u00e1 ngay khi l\u1ec7nh b\u00e1o th\u00e0nh c\u00f4ng. Ch\u1ec9 c\u1ea7n \u0111\u00f3ng v\u00e0 m\u1edf l\u1ea1i tr\u00ecnh duy\u1ec7t, ho\u1eb7c xo\u00e1 th\u00eam cache DNS c\u1ee7a tr\u00ecnh duy\u1ec7t n\u1ebfu v\u1eabn v\u00e0o \u0111\u1ecba ch\u1ec9 c\u0169.<\/p>\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>ipconfig \/flushdns l\u00e0 l\u1ec7nh tr\u00ean Windows xo\u00e1 b\u1ed9 nh\u1edb \u0111\u1ec7m DNS c\u1ee7a m\u00e1y (DNS Client resolver cache), \u0111\u1ec3 l\u1ea7n truy c\u1eadp sau m\u00e1y h\u1ecfi l\u1ea1i m\u00e1y ch\u1ee7 DNS v\u00e0 nh\u1eadn \u0111\u1ecba ch\u1ec9 IP m\u1edbi. M\u1edf Command Prompt ho\u1eb7c Terminal, g\u00f5 ipconfig \/flushdns v\u00e0 nh\u1ea5n Enter; khi th\u00e0nh c\u00f4ng, Windows b\u00e1o &#8220;Successfully flushed the DNS Resolver [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":132554,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7729],"tags":[5683],"class_list":["post-16111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dns","tag-ipconfig-flush-dns"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/16111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=16111"}],"version-history":[{"count":2,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/16111\/revisions"}],"predecessor-version":[{"id":132734,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/posts\/16111\/revisions\/132734"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/132554"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=16111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/categories?post=16111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=16111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}