Empty responses to query

[Mark Andrews]

> 
> So, if I understand you correctly, then your bind server would
> experience the same issue? Or, is there a setting I can make to my bind
> server to alleviate the issue?

	No.  It is a gross configuration error.  Lookup the name in
	whois and phone them or contact their technical contact.

	Mark

Registrant:
 Ironwood OB GYN, PC
 2300 North Rosemont Blvd
 Tucson, AZ 85712
 US

 Domain name: IRONWOODOBGYN.COM

 Administrative Contact:
    Ironwood OB GYN, PC, Ironwood OB GYN, PC  aliceh at ironwoodobgyn.com
    2300 North Rosemont Blvd
    Tucson, AZ 85712
    US
    520 881-1977    Fax: 520 881-1979

 Technical Contact:
    Admin, Systems  noc at ensynch.com
    2710 S. Roosevelt
    Tempe, AZ 85282
    US
    480-894-3500    Fax: 480-894-3525



 Registration Service Provider:
    Ensynch Managed Solutions, dnsadmin at ensynch.com
    480-894-3500
    http://www.ensynch.com
    This company may be contacted for domain login/passwords,
    DNS/Nameserver changes, and general domain support questions.


 Registrar of Record: TUCOWS, INC.
 Record last updated on 12-Aug-2005.
 Record expires on 15-Oct-2012.
 Record created on 15-Oct-2001.

 Domain servers in listed order:
    DNS1.DAKOTACOM.NET   66.192.152.154
    DNS2.DAKOTACOM.NET   66.192.152.155


 Domain status: ACTIVE

 
> -----Original Message-----
> From: Mark_Andrews at isc.org [mailto:Mark_Andrews at isc.org]
> Sent: Friday, February 03, 2006 2:07 PM
> To: Stringham, Steven
> Subject: Re: Empty responses to query
> 
> 
> >
> > Ok. I agree with you. But, why does it get the right info upon restart
> 
> > of the service then? And then after a while, it just floats away? Is
> > it dropping the records from cache but not the right ns info, or what?
> 
> 	Because on the first queries is is using the glue NS records
> 	from the parent.  Once one of these returns the child's NS
> 	RRset, in the authority section, lookups fail as there are
> 	no A/AAAA records for these NS records.
> 
> 	Mark
> 
> 
> > -----Original Message-----
> > From: Mark_Andrews at isc.org [mailto:Mark_Andrews at isc.org]
> > Sent: Thursday, February 02, 2006 4:00 PM
> > To: Stringham, Steven
> > Subject: Re: Empty responses to query
> >
> >
> > >
> > > ironwoodobgyn.com
> >
> > 	Gross misconfiguration.
> >
> > ironwoodobgyn.com.      172800  IN      NS      dns1.dakotacom.net.
> > ironwoodobgyn.com.      172800  IN      NS      dns2.dakotacom.net.
> > ;; Received 118 bytes from 192.54.112.30#53(H.GTLD-SERVERS.NET) in 740
> 
> > ms
> >
> > ironwoodobgyn.com.      14400   IN      A       66.192.152.134
> > ironwoodobgyn.com.      14400   IN      NS      66.192.152.155.
> > ironwoodobgyn.com.      14400   IN      NS      66.192.152.154.
> > ;; Received 107 bytes from 66.192.152.154#53(dns1.dakotacom.net) in
> > 701 ms
> >
> > 	NS records take hostnames not IP addresses.
> >
> > 	Mark
> >
> > > -----Original Message-----
> > > From: Mark_Andrews at isc.org [mailto:Mark_Andrews at isc.org]
> > > Sent: Thursday, February 02, 2006 2:03 PM
> > > To: Stringham, Steven
> > > Cc: bind-users at isc.org
> > > Subject: Re: Empty responses to query
> > >
> > >
> > > > Fedora 4
> > > > bind-9.2.5-3
> > > >
> > > > >From time to time on some domains, if I do a MX query (dig mx
> > > > mydomain.com) the response comes back empty.
> > >
> > > 	Well if you actually told us the problem domains someone
> > > 	could look at how those zones are configured.  This sort
> > > 	of behaviour is usually indicative of a remote configuration
> > > 	error.
> > >
> > > > If I restart the named process, then do the same dig, it comes
> > > > back with proper information. I have seen this on multiple
> > > > instances of
> > > Fedora 4.
> > > > I am not using upstream name servers (forwarders) to resolve.
> > > >
> > > > Does anybody have any hints as to what it could be?
> > > >
> > > > Thanks
> > > > Steven Stringham
> > > >
> > >
> 
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--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org