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RDNS Lookups failing from XP client/Win 2003 server

Posted on 2006-11-20
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Last Modified: 2010-04-18
I am responsible for a Windows 2003 server, running DNS.  It is set to use another DNS server for forwarding queries.

Using NSLOOKUP, forward lookups on the server work properly (requests are forwarded and responses received).

Forward lookups also work properly from the clients which ask this server (requests are forwarded and responses received).

However, reverse DNS lookups using NSLOOKUP are not being forwarded to the forwarder.  I get the message "<dns_server> can't find <ip_address>: Non-existent domain"

Thanks,
Steve :)
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Question by:sda100
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Expert Comment

by:feptias
ID: 17978353
Reverse lookup records should be present for local IP addresses on your LAN - these would normally be resolved by the DNS service running on your Windows 2003 server without needing to be forwarded. Forwarding is usually only required for Internet domains or remote domains where your domain has a trust relationship with a domain in another office etc.

If you are talking about DNS queries for Internet domain, then the explanation might simply be that there are no reverse DNS records available for that domain. It is quite common for Internet domains to not have reverse lookup records.
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by:Jay_Jay70
ID: 17982912
internally you shouldnt even need a reverse DNS zone anymore (So i am led to believe)
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by:sda100
ID: 17983075
I found the solution (sorry, should have posted back earlier), as I created the RDNS zone on my DNS server, it is by default, authoratitive for lookups matching it's RDNS zones.  This is why it wasn't forwarding.  As all I want to do is forward all requests to another DNS server, I removed the RDNS zones altogether.  Problem solved.

Thanks,
Steve :)
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