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		<title>Windows DNS Server次要主機建置</title>
		<link>https://ailog.tw/lifelog/2024/10/29/win-secondary-dns/</link>
		
		<dc:creator><![CDATA[blackjack]]></dc:creator>
		<pubDate>Tue, 29 Oct 2024 05:29:11 +0000</pubDate>
				<category><![CDATA[3C資訊]]></category>
		<category><![CDATA[Windows]]></category>
		<category><![CDATA[DNS]]></category>
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					<description><![CDATA[有時異地的辦公室希望建立一台DNS來加快解析或不希望與總公司失聯時，會因DNS失聯導致斷網，這些情境都很適合架 &#8230; <p class="link-more"><a href="https://ailog.tw/lifelog/2024/10/29/win-secondary-dns/" class="more-link">閱讀全文<span class="screen-reader-text">〈Windows DNS Server次要主機建置〉</span></a></p>]]></description>
										<content:encoded><![CDATA[<p><span style="font-family: verdana, geneva;">有時異地的辦公室希望建立一台DNS來加快解析或不希望與總公司失聯時，會因DNS失聯導致斷網，這些情境都很適合架設次要DNS主機，底下就快跟著小編一起來了解如何架設吧!</span></p>
<p><span id="more-17672"></span></p>
<p><span style="font-family: verdana, geneva;">1、模擬情境</span><br />
<span style="font-family: verdana, geneva;">(1)、domain name：abc.com.tw</span><br />
<span style="font-family: verdana, geneva;">(2)、主要的DNS服務(或是AD主機)IP為：192.168.10.1</span><br />
<span style="font-family: verdana, geneva;">(3)、異地的DNS主機IP為192.168.30.1</span><br />
<span style="font-family: verdana, geneva;">(4)、以上所敘述的主機均為Windows Server</span></p>
<p><span style="font-family: verdana, geneva;">2、先在異地的DNS主機上安裝DNS服務</span><br />
<span style="font-family: verdana, geneva;">※以下的語法均為powershell指令，並在192.168.30.1的dns次要主機上執行</span><br />
<span style="font-family: verdana, geneva;">(1)、安裝DNS服務</span></p>
<pre>Install-WindowsFeature -Name DNS -IncludeManagementTools</pre>
<p><span style="font-family: verdana, geneva;">(2)、確認安裝狀態</span></p>
<pre>Get-WindowsFeature -Name DNS</pre>
<p><img fetchpriority="high" decoding="async" class="alignnone wp-image-17674 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2024/10/win-dns-02.png" alt="" width="814" height="171" srcset="https://ailog.tw/lifelog/wp-content/uploads/2024/10/win-dns-02.png 814w, https://ailog.tw/lifelog/wp-content/uploads/2024/10/win-dns-02-300x63.png 300w, https://ailog.tw/lifelog/wp-content/uploads/2024/10/win-dns-02-768x161.png 768w" sizes="(max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px" /></p>
<p>※在Install State欄位顯示「Installed」的話代表有順利安裝成功</p>
<p><span style="font-family: verdana, geneva;">3、設定DNS紀錄同步作業<br />
※以下的語法均為command令命，並在192.168.30.1的dns次要主機上執行<br />
(1)、新增Zone並宣告192.168.10.1為DNS紀錄來源</span></p>
<pre>dnscmd /zoneadd abc.com.tw /secondary 192.168.10.1</pre>
<p><span style="font-family: verdana, geneva;">(2)、指定上游解析來源</span></p>
<pre>dnscmd /resetforwarders 192.168.10.1 168.95.1.1 8.8.8.8</pre>
<p><span style="font-family: verdana, geneva;">※這裡多了168.95.1.1及8.8.8.8，是為了避免主要DNS失聯時導致完全無法解析的狀況。<br />
</span></p>
<p><span style="font-family: verdana, geneva;">(3)、設定不紀錄DNS告警事件</span></p>
<pre>dnscmd /config /eventloglevel 0</pre>
<p>※該設定為選項設定，請自行斟酌實際狀況需求</p>
<p><span style="font-family: verdana, geneva;">(4)、強制同步紀錄</span></p>
<pre>dnscmd /zonerefresh abc.com.tw</pre>
<p><span style="font-family: verdana, geneva;">4、補充說明<br />
</span><span style="font-family: verdana, geneva;">(1)、清除快取紀錄</span></p>
<pre>dnscmd /clearcache</pre>
<p><span style="font-family: verdana, geneva;">(2)、重新啟動DNS服務</span></p>
<pre>net stop dns &amp; net start dns</pre>
<p>&nbsp;</p>
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