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268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein<p>nslookup — query Internet name servers interactively</p>
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein<div class="cmdsynopsis"><p><code class="command">nslookup</code> [<code class="option">-option</code>] [name | -] [server]</p></div>
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein<p><span class="command"><strong>Nslookup</strong></span>
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein is a program to query Internet domain name servers. <span class="command"><strong>Nslookup</strong></span>
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein has two modes: interactive and non-interactive. Interactive mode allows
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein the user to query name servers for information about various hosts and
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein domains or to print a list of hosts in a domain. Non-interactive mode
268a4475065fe6a8cd7cc707820982cf5e98f430Rob Austein used to print just the name and requested information for a host or
<dt><span class="term"><code class="constant">host</code> [<span class="optional">server</span>]</span></dt>
<dt><span class="term"><code class="constant">server</code> <em class="replaceable"><code>domain</code></em></span></dt>
<dt><span class="term"><code class="constant">lserver</code> <em class="replaceable"><code>domain</code></em></span></dt>
Change the default server to <em class="replaceable"><code>domain</code></em>; <code class="constant">lserver</code> uses the initial
server to look up information about <em class="replaceable"><code>domain</code></em>, while <code class="constant">server</code> uses
<dt><span class="term"><code class="constant">class=</code><em class="replaceable"><code>value</code></em></span></dt>
<em class="replaceable"><code>[<span class="optional">no</span>]</code></em>debug</code></span></dt>
<dt><span class="term"><code class="constant">domain=</code><em class="replaceable"><code>name</code></em></span></dt>
<em class="replaceable"><code>[<span class="optional">no</span>]</code></em>search</code></span></dt>
<dt><span class="term"><code class="constant">port=</code><em class="replaceable"><code>value</code></em></span></dt>
<dt><span class="term"><code class="constant">querytype=</code><em class="replaceable"><code>value</code></em></span></dt>
<dt><span class="term"><code class="constant">type=</code><em class="replaceable"><code>value</code></em></span></dt>
<em class="replaceable"><code>[<span class="optional">no</span>]</code></em>recurse</code></span></dt>
<dt><span class="term"><code class="constant">ndots=</code><em class="replaceable"><code>number</code></em></span></dt>
<dt><span class="term"><code class="constant">retry=</code><em class="replaceable"><code>number</code></em></span></dt>