## org.apache.http.impl.conn
Class SystemDefaultDnsResolver

    java.lang.Object
      org.apache.http.impl.conn.SystemDefaultDnsResolver

All Implemented Interfaces:
  DnsResolver

    public class SystemDefaultDnsResolver

extends Object
implements DnsResolver

DNS resolver that uses the default OS implementation for resolving host names.

Since:
  4.2

Constructor Summary
`SystemDefaultDnsResolver()`

Method Summary
`InetAddress[]` `resolve(String host)` Returns the IP address for the specified host name, or null if the given host is not recognized or the associated IP address cannot be used to build an InetAddress instance.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SystemDefaultDnsResolver

    public SystemDefaultDnsResolver()

Method Detail

### resolve

    public InetAddress[] resolve(String host)
                          throws UnknownHostException

  Returns the IP address for the specified host name, or null if the given host is not recognized or the associated IP address cannot be used to build an InetAddress instance.

  Specified by:
    `resolve` in interface `DnsResolver`
  Parameters:
    `host` - The host name to be resolved by this resolver.
  Returns:
    The IP address associated to the given host name, or null if the host name is not known by the implementation class.
  Throws:
    `UnknownHostException`
  See Also:
    `InetAddress`

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