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From Randy Layman <randy.lay...@aswethink.com>
Subject RE: Reverse DNS lookup
Date Fri, 06 Jul 2001 11:02:45 GMT

	The InetAddress...getHostName() call will use the DNS databases.
For most computers, however, this won't return anything useful.

	Randy

> -----Original Message-----
> From: David Wall [mailto:dwall@myEastside.com]
> Sent: Friday, July 06, 2001 12:02 AM
> To: tomcat-user@jakarta.apache.org
> Subject: Re: Reverse DNS lookup
> 
> 
> > InetAddress.getByName(<ip address>).getHostName() will do what you
> > want, if the info is available.
> 
> Where would the info have to be available?  Is there anything 
> comparable to
> a "dig -x" command under Unix?  For most IP addresses, there 
> will not be
> anything configured on my computer, but I know that ARPA 
> reverse lookups are
> possible.
> 
> The method you show above still returns the IP address on my 
> system, yet a
> "dig -x" will show the host name resolved.
> 
> David
> 
> 

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