lame server

Kevin Darcy kcd at daimlerchrysler.com
Tue Jan 14 23:43:57 UTC 2003


Strangely, I tried *exactly* the same query, to the same server, at almost
*exactly* the same time; Mark's query gets SERVFAIL, and mine gets a valid,
authoritative response. Is this perhaps a case of "geo" load balancing gone
awry?


- Kevin

Mark_Andrews at isc.org wrote:

> > Hi,
> > I told this Matt Godden that he had a lame server,
> > He tells me his nameserver is working fine!
>
>         Well there are TWO nameservers.  ONE is NOT working.
>
> > So why is his nameserver filling my log files with the following?
> >
> >  Jan 14 15:41:21 fsn4 named[14658]: Lame server on  'NS1.xoasisnetworks.c=
> > om'=20
> > (in 'xoasisnetworks.com'?): [65.171.196.17].53 'NS2.xoasisnetworks.com':
> >  learnt (A=3D192.33.14.30,NS=3D192.33.14.30)
>
>         Because the server listed *is* lame (the zone is delegated to it
>         and it is not answering authoritatively for the zone).
>
>         Mark
>
> ; <<>> DiG 8.3 <<>> +norec NS1.xoasisnetworks.com @65.171.196.17
> ; (1 server found)
> ;; res options: init defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 42118
> ;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> ;; QUERY SECTION:
> ;;      NS1.xoasisnetworks.com, type = A, class = IN
>
> ;; Total query time: 373 msec
> ;; FROM: drugs.dv.isc.org to SERVER: 65.171.196.17  65.171.196.17
> ;; WHEN: Wed Jan 15 10:20:02 2003
> ;; MSG SIZE  sent: 40  rcvd: 40
>
> ; <<>> DiG 8.3 <<>> +norec xoasisnetworks.com @a.gtld-servers.net
> ; (1 server found)
> ;; res options: init defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29589
> ;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2
> ;; QUERY SECTION:
> ;;      xoasisnetworks.com, type = A, class = IN
>
> ;; AUTHORITY SECTION:
> xoasisnetworks.com.     2D IN NS        ns1.xoasisnetworks.com.
> xoasisnetworks.com.     2D IN NS        ns2.xoasisnetworks.com.
>
> ;; ADDITIONAL SECTION:
> ns1.xoasisnetworks.com.  2D IN A  65.171.196.15
> ns2.xoasisnetworks.com.  2D IN A  65.171.196.17
>
> ;; Total query time: 263 msec
> ;; FROM: drugs.dv.isc.org to SERVER: a.gtld-servers.net  192.5.6.30
> ;; WHEN: Wed Jan 15 10:20:21 2003
> ;; MSG SIZE  sent: 36  rcvd: 104
>
> --
> Mark Andrews, Internet Software Consortium
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org



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