[lug] Weird DNS problems

Nate Duehr nate at natetech.com
Sat Nov 10 23:55:26 MST 2001


Reminder: The whois database lags quite a bit behind the root/gtld
servers.  Always use the information actually in the servers over using
whois information.  Lag is on the order of anywhere from a few days to a
few WEEKS with whois these days...

Nate Duehr, nate at natetech.com

On Fri, 2001-11-09 at 11:10, Chip Atkinson wrote:
> Jeez.  I don't know how many times I over looked that.  I'll make the 
> changes there.  Thanks for the guidance.  Hopefully that will get things 
> fixed up a bit.
> 
> Chip
> 
> Hugh Brown wrote:
> 
> > 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 address is old and out of date)  It should be 63.173.117.115.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
> >>> 
> >>> _______________________________________________
> >>> Web Page:  http://lug.boulder.co.us
> >>> Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> >> 
> >> _______________________________________________
> >> Web Page:  http://lug.boulder.co.us
> >> Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> >> 
> > 
> > 
> > ------------------------------------
> > 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
> > 
> > _______________________________________________
> > Web Page:  http://lug.boulder.co.us
> > Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> 
> _______________________________________________
> Web Page:  http://lug.boulder.co.us
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