\u5728\u7ba1\u7406\u670d\u52a1\u5668\u65f6\uff0c\u7279\u522b\u662f\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\uff0c\u81ea\u52a8\u5316DNS\u7f13\u5b58\u6e05\u7406\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u53ef\u4ee5\u8ba1\u5212\u6267\u884c\u7684PowerShell\u811a\u672c\uff1a<\/p>\n

$scriptBlock = {\r\n    Write-Host \"\u5f00\u59cbDNS\u7f13\u5b58\u6e05\u7406...\"\r\n    Clear-DnsClientCache\r\n    Restart-Service -Name \"Dnscache\"\r\n    ipconfig \/flushdns\r\n    Write-Host \"DNS\u7f13\u5b58\u6e05\u7406\u5b8c\u6210\"\r\n}\r\n\r\n$action = New-ScheduledTaskAction -Execute \"PowerShell.exe\" `\r\n    -Argument \"-NoProfile -WindowStyle Hidden -Command $scriptBlock\"\r\n$trigger = New-ScheduledTaskTrigger -Daily -At 3AM\r\nRegister-ScheduledTask -TaskName \"DNSCacheCleanup\" -Action $action -Trigger $trigger<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
DNS\u7f13\u5b58\u76d1\u63a7\u548c\u6545\u969c\u6392\u9664<\/strong><\/h2>\n
\u7406\u89e3DNS\u7f13\u5b58\u72b6\u6001\u548c\u6392\u9664\u6f5c\u5728\u95ee\u9898\u5bf9\u7ef4\u6301\u6700\u4f73\u670d\u52a1\u5668\u6027\u80fd\u81f3\u5173\u91cd\u8981\uff0c\u7279\u522b\u662f\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u3002\u8ba9\u6211\u4eec\u63a2\u8ba8\u9ad8\u7ea7\u76d1\u63a7\u6280\u672f\u548c\u5e38\u89c1\u95ee\u9898\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
DNS\u7f13\u5b58\u68c0\u67e5\u5de5\u5177<\/h3>\n
### PowerShell DNS\u7f13\u5b58\u5206\u6790\u811a\u672c\r\n$dnsCache = Get-DnsClientCache\r\n$dnsCache | Where-Object { $_.Type -eq \"A\" } | \r\n    Select-Object Name, Data, TimeToLive | \r\n    Format-Table -AutoSize<\/code><\/pre>\n
\n
\u6027\u80fd\u63d0\u793a\uff1a<\/strong>\u5b9a\u671f\u76d1\u63a7DNS\u7f13\u5b58\u5927\u5c0f\u3002\u8fc7\u591a\u7684\u6761\u76ee\u53ef\u80fd\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n<\/div>\n
\u5e38\u89c1DNS\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/h3>\n
\u5728\u4f7f\u7528\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u8fd9\u4e9b\u5e38\u89c1\u7684DNS\u76f8\u5173\u6311\u6218\uff1a<\/p>\n
\n
\u8fc7\u671f\u7684\u7f13\u5b58\u6761\u76ee<\/strong>\n
nslookup -type=soa domain.com\r\nipconfig \/displaydns | find \"Record Name\"<\/code><\/pre>\n<\/li>\n
DNS\u89e3\u6790\u5931\u8d25<\/strong>\n
Test-NetConnection -ComputerName domain.com -TraceRoute<\/code><\/pre>\n<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684DNS\u4f18\u5316\u7b56\u7565<\/strong><\/h2>\n
\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u5b9e\u65bd\u9002\u5f53\u7684DNS\u7f13\u5b58\u7ba1\u7406\u9700\u8981\u91c7\u53d6\u6218\u7565\u6027\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7efc\u5408\u4f18\u5316\u811a\u672c\uff1a<\/p>\n
function Optimize-DNSConfiguration {\r\n    # \u5907\u4efd\u5f53\u524dDNS\u8bbe\u7f6e\r\n    $currentDNS = Get-DnsClientServerAddress\r\n    \r\n    # \u914d\u7f6eDNS\u5ba2\u6237\u7aef\u8bbe\u7f6e\r\n    Set-DnsClientServerAddress -InterfaceIndex $currentDNS[0].InterfaceIndex `\r\n        -ServerAddresses (\"8.8.8.8\",\"8.8.4.4\")\r\n    \r\n    # \u8bbe\u7f6eDNS\u7f13\u5b58\u53c2\u6570\r\n    $regPath = \"HKLM:\\SYSTEM\\CurrentControlSet\\Services\\Dnscache\\Parameters\"\r\n    Set-ItemProperty -Path $regPath -Name \"MaxCacheTtl\" -Value 86400\r\n    Set-ItemProperty -Path $regPath -Name \"MaxNegativeCacheTtl\" -Value 300\r\n    \r\n    # \u91cd\u542fDNS\u5ba2\u6237\u7aef\u670d\u52a1\r\n    Restart-Service -Name \"Dnscache\" -Force\r\n    \r\n    Write-Host \"DNS\u4f18\u5316\u6210\u529f\u5b8c\u6210\"\r\n}<\/code><\/pre>\n
\u6b64\u811a\u672c\u4f18\u5316DNS\u8bbe\u7f6e\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u73af\u5883\u6027\u80fd\uff0c\u7279\u522b\u6709\u5229\u4e8e\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u6700\u4f73\u5b9e\u8df5\u548c\u6027\u80fd\u4f18\u5316<\/strong><\/h2>\n
\u5bf9\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u73af\u5883\u6765\u8bf4\uff0c\u5b9e\u65bd\u5f3a\u5927\u7684DNS\u7f13\u5b58\u7ba1\u7406\u7b56\u7565\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u6211\u4eec\u63a8\u8350\u7684\u7ed3\u5408\u6240\u6709\u6700\u4f73\u5b9e\u8df5\u7684\u81ea\u52a8\u7ef4\u62a4\u811a\u672c\uff1a<\/p>\n
function Maintain-DNSHealth {\r\n    param (\r\n        [int]$maxCacheAge = 86400,\r\n        [string[]]$criticalDomains = @(\"yourdomain.com\", \"api.yourdomain.com\")\r\n    )\r\n    \r\n    # \u7cfb\u7edf\u5065\u5eb7\u68c0\u67e5\r\n    $healthReport = @{\r\n        InitialCacheEntries = (Get-DnsClientCache).Count\r\n        SystemUptime = (Get-CimInstance -ClassName Win32_OperatingSystem).LastBootUpTime\r\n        DNSService = (Get-Service -Name \"Dnscache\").Status\r\n    }\r\n    \r\n    # \u7f13\u5b58\u7ef4\u62a4\r\n    Clear-DnsClientCache\r\n    foreach ($domain in $criticalDomains) {\r\n        Resolve-DnsName -Name $domain -Type A -ErrorAction SilentlyContinue\r\n    }\r\n    \r\n    # \u6027\u80fd\u9a8c\u8bc1\r\n    $validation = Test-NetConnection -ComputerName $criticalDomains[0] -InformationLevel Detailed\r\n    \r\n    return $healthReport\r\n}<\/code><\/pre>\n
\n
\u5b89\u5168\u63d0\u793a\uff1a<\/strong>\u5b9a\u671fDNS\u7f13\u5b58\u7ef4\u62a4\u6709\u52a9\u4e8e\u9632\u6b62DNS\u6295\u6bd2\u653b\u51fb\u5e76\u786e\u4fdd\u53ef\u9760\u7684\u540d\u79f0\u89e3\u6790\u3002<\/p>\n<\/div>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n
\u7ed3\u8bba\u548c\u672a\u6765\u8003\u8651<\/strong><\/h2>\n
\u6709\u6548\u7684DNS\u7f13\u5b58\u7ba1\u7406\u5bf9\u4e8e\u7ef4\u6301\u57fa\u4e8eWindows\u7684\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u6700\u4f73\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u5b9e\u65bd\u672c\u6307\u5357\u4e2d\u6982\u8ff0\u7684\u81ea\u52a8\u5316\u811a\u672c\u548c\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u60a8\u53ef\u4ee5\u786e\u4fdd\u53ef\u9760\u7684DNS\u89e3\u6790\u548c\u589e\u5f3a\u7684\u670d\u52a1\u5668\u6027\u80fd\u3002\u8bf7\u8bb0\u4f4f\u968f\u7740\u65b0\u7684Windows\u66f4\u65b0\u548c\u670d\u52a1\u5668\u6280\u672f\u7684\u51fa\u73b0\u5b9a\u671f\u66f4\u65b0\u60a8\u7684DNS\u7ba1\u7406\u7b56\u7565\u3002<\/p>\n
\n
\u6700\u7ec8\u63d0\u793a\uff1a<\/strong><\/p>\n
\n
\u5728\u975e\u9ad8\u5cf0\u65f6\u6bb5\u5b89\u6392\u5b9a\u671fDNS\u7f13\u5b58\u7ef4\u62a4<\/li>\n
\u5b9a\u671f\u76d1\u63a7DNS\u6027\u80fd\u6307\u6807<\/li>\n
\u4f7f\u7528\u6700\u65b0\u7684\u5b89\u5168\u5b9e\u8df5\u66f4\u65b0\u60a8\u7684\u811a\u672c<\/li>\n
\u8bb0\u5f55\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u7684\u4efb\u4f55\u81ea\u5b9a\u4e49DNS\u914d\u7f6e<\/li>\n<\/ul>\n<\/div>\n
\u4e3a\u4e86\u83b7\u5f97\u6700\u4f73\u7684\u670d\u52a1\u5668\u6027\u80fd\u548c\u53ef\u9760\u7684\u79df\u7528\u670d\u52a1\uff0c\u7ef4\u62a4\u6e05\u6d01\u548c\u9ad8\u6548\u7684DNS\u7f13\u5b58\u81f3\u5173\u91cd\u8981\u3002\u53ca\u65f6\u4e86\u89e3\u6700\u65b0\u7684DNS\u7ba1\u7406\u6280\u672f\u548c\u5b89\u5168\u5b9e\u8df5\uff0c\u4ee5\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u79df\u7528\u57fa\u7840\u8bbe\u65bd\u4fdd\u6301\u5f3a\u5927\u548c\u54cd\u5e94\u8fc5\u901f\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] \u7406\u89e3DNS\u7f13\u5b58\u53ca\u5176\u5f71\u54cd \u5bf9\u4e8e\u7ba1\u7406Windows\u7cfb\u7edf\u548c\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u7ba1\u7406\u5458\u548c\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u6765\u8bf4\uff0cDNS\u7f13\u5b58\u6e05\u7406\u662f\u4e00\u9879\u5173\u952e\u7684\u7ef4\u62a4\u4efb\u52a1\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86DNS\u7f13\u5b58\u7ba1\u7406\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u7279\u522b\u9002\u7528\u4e8e\u90a3\u4e9b\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u5de5\u4f5c\u7684\u4eba\u5458\u3002\u53ef\u4ee5\u5c06DNS\u7f13\u5b58\u60f3\u8c61\u4e3a\u8ba1\u7b97\u673a\u7684\u901a\u8baf\u5f55 – \u5b83\u5b58\u50a8\u6700\u8fd1\u7684DNS\u67e5\u8be2\u4ee5\u52a0\u5feb\u672a\u6765\u7684\u8bf7\u6c42\uff0c\u4f46\u6709\u65f6\u8fd9\u4e9b\u7f13\u5b58\u6570\u636e\u9700\u8981\u5237\u65b0\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] DNS\u7f13\u5b58\u6e05\u7406\u7684\u547d\u4ee4\u884c\u65b9\u6cd5 \u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u901a\u8fc7\u547d\u4ee4\u884c\u6e05\u7406DNS\u7f13\u5b58\u7684\u6700\u6709\u6548\u65b9\u6cd5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u63d0\u4f9b\u7cbe\u786e\u63a7\u5236\uff0c\u5e76\u53ef\u4ee5\u81ea\u52a8\u5316\u7528\u4e8e\u670d\u52a1\u5668\u7ef4\u62a4\u4f8b\u7a0b\u3002 \u4e13\u4e1a\u63d0\u793a\uff1a\u5728\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u4ee5\u7ba1\u7406\u5458\u8eab\u4efd\u8fd0\u884c\u547d\u4ee4\u63d0\u793a\u7b26\uff0c\u4ee5\u907f\u514d\u6743\u9650\u95ee\u9898\u3002 \u65b9\u6cd51\uff1a\u4f7f\u7528\u547d\u4ee4\u63d0\u793a\u7b26 \u4f20\u7edf\u7684\u547d\u4ee4\u63d0\u793a\u7b26\u65b9\u6cd5\u4ecd\u7136\u662f\u6700\u53ef\u9760\u7684\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u9010\u6b65\u6d41\u7a0b\uff1a ipconfig \/flushdns ipconfig \/registerdns ipconfig \/release ipconfig \/renew \u6bcf\u4e2a\u547d\u4ee4\u5728DNS\u7f13\u5b58\u6e05\u7406\u8fc7\u7a0b\u4e2d\u90fd\u6709\u7279\u5b9a\u7528\u9014\uff1a \/flushdns – \u6e05\u9664DNS\u89e3\u6790\u5668\u7f13\u5b58 \/registerdns – \u5237\u65b0\u6240\u6709DHCP\u79df\u7ea6\u5e76\u91cd\u65b0\u6ce8\u518cDNS\u540d\u79f0 \/release – \u91ca\u653e\u5f53\u524dIP\u5730\u5740\u914d\u7f6e \/renew – \u66f4\u65b0IP\u5730\u5740\u79df\u7ea6 \u65b9\u6cd52\uff1aPowerShell\u547d\u4ee4 PowerShell\u4e3aDNS\u7f13\u5b58\u7ba1\u7406\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u7684\u9009\u9879\uff0c\u7279\u522b\u9002\u7528\u4e8e\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\uff1a Clear-DnsClientCache Get-DnsClientCache | Format-List Restart-Service -Name “Dnscache” [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] \u670d\u52a1\u5668\u9ad8\u7ea7DNS\u7f13\u5b58\u7ba1\u7406 \u5728\u7ba1\u7406\u670d\u52a1\u5668\u65f6\uff0c\u7279\u522b\u662f\u5728\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\uff0c\u81ea\u52a8\u5316DNS\u7f13\u5b58\u6e05\u7406\u53d8\u5f97\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u53ef\u4ee5\u8ba1\u5212\u6267\u884c\u7684PowerShell\u811a\u672c\uff1a $scriptBlock = { Write-Host “\u5f00\u59cbDNS\u7f13\u5b58\u6e05\u7406…” Clear-DnsClientCache Restart-Service -Name […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":18066,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[4374,4372,4373,2696,353],"class_list":["post-18094","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-dns-optimization-sc","tag-dns-cache-clearing-sc","tag-windows-dns-cache-sc","tag-dns-troubleshooting-sc","tag-server-rental-sc"],"acf":[],"yoast_head":"\n