Nslookup and reverse resolving question

[Michael Voight]

You can only have one PTR record for an address.
If you realize why PTR records are used in the first place, this makes
sense. They are used by servers to determine which HOST a request is
coming from. They only want 1 hostname.

Michael 

Greg Bratus wrote:
> 
> Hi everybody,
> 
> I have a RH 6.0 system which has been having problems I think reverse
> resolving.  If I am at the machine and type nslookup then set query=any
> then type in domain.com  it comes back fine.  However if I am on another
> machine and try this is does not return any message just sits there with
> time outs until I break out.
> 
> Another problem which is hopefully related, whenever I type nslookup at the
> prompt it returns with edssalumni domain name which I host, not the name of
> my domain.  Perhaps my reverse zone file is the problem,  Besides the soa
> and serial numbers I only have four entries and they look like this.
> 
>                 NS                   lions.extranetedge.com.
> 150         NS    PTR        lions.extranetedge.com.
> 150         NS    PTR        www.rupnow.com.
> 150         NS    PTR        www.edssalumni.com.
> 
> The same IP hosts all the domains so I thought I could re-use the ip?  Is
> this correct?  I have included the actual domain names in case someone has
> time to look.
> 
> Thanks again for any help,
> 
> Greg
> 
> .