[lug] Weird DNS problems

Hugh Brown hugh at vecna.com
Fri Nov 9 11:01:32 MST 2001


whois returns that pupman is registered with the old ip address.  It looks
you need to go to your registrar and get them to update the record.

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 address is old and out of date)  It should be 63.173.117.115.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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> 
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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




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