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<div class="subTitle">org.apache.http.conn</div>
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<h2 title="Interface DnsResolver" class="title">Interface DnsResolver</h2>
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<pre>public interface <span class="strong">DnsResolver</span></pre>
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<div class="block">Users may implement this interface to override the normal DNS lookup offered
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<dl><dt><span class="strong">Since:</span></dt>
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<dd>4.2</dd></dl>
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<td class="colFirst"><code><a href="https://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>[]</code></td>
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<td class="colLast"><code><strong><a href="../../../../org/apache/http/conn/DnsResolver.html#resolve(java.lang.String)">resolve</a></strong>(<a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> host)</code>
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<div class="block">Returns the IP address for the specified host name, or null if the given
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host is not recognized or the associated IP address cannot be used to
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<h4>resolve</h4>
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<pre><a href="https://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net">InetAddress</a>[] resolve(<a href="https://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> host)
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throws <a href="https://docs.oracle.com/javase/6/docs/api/java/net/UnknownHostException.html?is-external=true" title="class or interface in java.net">UnknownHostException</a></pre>
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<div class="block">Returns the IP address for the specified host name, or null if the given
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host is not recognized or the associated IP address cannot be used to
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build an InetAddress instance.</div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>host</code> - The host name to be resolved by this resolver.</dd>
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<dt><span class="strong">Returns:</span></dt><dd>The IP address associated to the given host name, or null if the
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host name is not known by the implementation class.</dd>
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<dt><span class="strong">Throws:</span></dt>
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<dd><code><a href="https://docs.oracle.com/javase/6/docs/api/java/net/UnknownHostException.html?is-external=true" title="class or interface in java.net">UnknownHostException</a></code></dd><dt><span class="strong">See Also:</span></dt><dd><a href="https://docs.oracle.com/javase/6/docs/api/java/net/InetAddress.html?is-external=true" title="class or interface in java.net"><code>InetAddress</code></a></dd></dl>
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