[lug] Weird DNS problems
hugh at vecna.com
Fri Nov 9 10:32:49 MST 2001
A couple of thoughts. Who is authoritative for your domain? If it is the
qwest servers, do you know for sure that they updated the tables on the
I have had the problem with DNS if the root name servers have one ip and
the authoritative dns server for the domain have different ip's then things
go a little screwy.
> I'm having some domain lookup problems that I can't seem to figure out
> and was hoping that someone could help me or at least point me in the
> right direction.
> Here's the original problem:
> Mail from a mailing list that I run was producing an error when sent to
> a subscriber at qwest.net. It is "stat=Data format error" and "DSN:
> Data format error". A little search on the web indicated it might be a
> DNS problem. (Yes, it is DSN in the error).
> I go to the name servers listed in /etc/resolv.conf and try to do a
> forward and reverse lookup of my domain, pupman.com.
> $ cat /etc/resolv.conf
> search pupman.com
> nameserver 22.214.171.124
> nameserver 126.96.36.199
> (both are Qwest's name server as I send the mail out through a DSL
> connection via them.)
> Forward lookups of pupman.com work on the 206 server works, but the 204
> server has an old IP from around August. Reverse lookups don't seem to
> work at all.
> Does anyone know what's going on? I thought that name servers got the
> information from the name server listed in the whois record. This
> doesn't seem to be the case to me becaue it's been since Aug. when I
> used the old IP and one would think that the cache at Qwest's name
> servers would have expired. Furthermore, if I set q=any and query the
> server giving the bogus results it seems to use the right name server
> from the whois records.
> I'm stumped right now.
> Thanks in advance for any help.
More information about the LUG