Reverse Lookups fail
Ronan Flood
ronan at noc.ulcc.ac.uk
Tue Apr 12 13:48:13 UTC 2005
Theodore Watson <tpw25 at drexel.edu> wrote:
> My domain's reverse lookups are succeeding when making queries directly
> to the DNS server, although from anywhere else in the world, they are
> failing. For example:
>
> bash-2.05b$ /usr/sbin/nslookup 206.135.58.110 dns1.mindbridge.com
> Server: dns1.mindbridge.com
> Address: 206.135.58.120
>
> Name: mail2.mindbridge.com
> Address: 206.135.58.110
>
> bash-2.05b$ /usr/sbin/nslookup 206.135.58.110
> Server: noc.irt.drexel.edu
> Address: 144.118.24.20
>
> *** noc.irt.drexel.edu can't find 206.135.58.110: Non-existent host/domain
> bash-2.05b$
The delegation to you from your parent zone is classless
96-27.58.135.206.in-addr.arpa. 14400 IN NS dns1.mindbridge.com.
96-27.58.135.206.in-addr.arpa. 14400 IN NS dns2.mindbridge.com.
In your named.conf, you need
zone "96-27.58.135.206.in-addr.arpa" { ... };
--
Ronan Flood <R.Flood at noc.ulcc.ac.uk>
working for but not speaking for
Network Services, University of London Computer Centre
(which means: don't bother ULCC if I've said something you don't like)
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