nslookup failures

[Sears, Robert]

> greetings all-
> 
>  here is my question, I operate the primary DNS (nlmoc1.nlmoc.navy.mil)
> server for the domain nlmoc.navy.mil. I also resolve the name
> nlmof.navy.mil at my primary DNS server. We have a group of users out of
> Florida who used to be on a WAN with us and shared our Class C network.
> This group moved to their own Internet connection, with their own IP
> block, but still point to us nlmoc.navy.mil) for DNS resolution. When this
> group put up two hosts on their new network I added then to my DNS tables.
>  
> thunder.nlmof.navy.mil    IN  A 138.137.105.10   I also did the PTR
> record.   When I do an NSlookup on the name to IP everything resolves.
> When I IP to name lookup I get  nlmoc1.nlmoc.navy.mil can't find
> 138.137.105.10: Server failed. I figured out since I don't own the IP
> block of 138.137.105.0, that this might be the problem. I contacted the
> navy NIC and they put me in touch with the owner of the IP block. The
> owners then put in an address reassignment template basically assigning
> the 138.137.105.0 block to my DNS server nlmoc1.nlmoc.navy.mil. They said
> this would pass all IP lookup request to my DNS server. 
> 
> I might be missing something, if the requests for IP resolution for the
> 138.137.105.0 blocks are being passed to me, why does my nslookup fail?
> 
> any help is greatly appreciated
> 
> -rob