[lug] Weird DNS problems

[Hugh Brown]

Did you just recently change the record with your registrar?

Hugh

"Chip Atkinson"
> 
> I believe that jymis.com has the authoritative domain records.  That 
> what dig seems to indicate:
> 
> ;; AUTHORITY SECTION:
> pupman.com.             16h25m42s IN NS  ns1.jymis.com.
> pupman.com.             16h25m42s IN NS  ns0.jymis.com.
> 
> AAARGHHH!!! Ok, I think this is the problem:
> 
>  > server G.GTLD-SERVERS.NET
> Default Server:  G.GTLD-SERVERS.NET
> Address:  192.42.93.30
> 
>  > pupman.com
> Server:  G.GTLD-SERVERS.NET
> Address:  192.42.93.30
> 
> Non-authoritative answer:
> Name:    pupman.com
> Address:  199.45.150.249
> 
> (The 199.45... address is old and out of date)  It should be 63.173.117.115.
> 
> Ok, how did you resolve the problem?
> 
> Thanks for the advice.
> 
> Chip
> 
> Hugh Brown wrote:
> 
> > 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
> > bogus server?
> > 
> > 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.
> > 
> > Hugh
> > 
> > "Chip Atkinson"
> > 
> >> Greetings,
> >> 
> >> 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 206.196.128.1
> >> nameserver 204.147.80.5
> >> (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.
> >> 
> >> Chip
> > 
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------------------------------------
System Administrator/Unix Consultant
hugh at vecna.com
Vecna Technologies, Inc
6525 Belcrest Rd, Suite 612
Hyattsville MD, 20782
301.864.7253
http://www.vecna.com