can't resolve similar addresses

[Peter Dambier]

Chris Richmond - MD6-FDC ~ wrote:
> Folks,
> 
>     This one has me baffled.  I can look up www.isc.org from either
> the router/firewall or the client NAT'd behind it, but I can't
> lookup ntp.isc.org from the client without providing isc.org's
> (or maybe other) servers to query.  Any idea what's causing this?
> 
>                                   DNS host   client
> dig www.isc.org                   pass       pass
> dig ntp.isc.org                   pass       fail
> dig ntp.isc.org @204.152.184.138  pass       pass
> 

; <<>> DiG 9.1.3 <<>> ntp.isc.org
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34686
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;ntp.isc.org.                   IN      A

;; ANSWER SECTION:
ntp.isc.org.            3600    IN      A       204.152.184.138

;; Query time: 794 msec
;; SERVER: 192.168.208.228#53(192.168.208.228)
;; WHEN: Mon Feb 27 21:19:37 2006
;; MSG SIZE  rcvd: 45

No problem here (djbdns/dnscache)

I gave up running Bind 8 because of similar problems.

Later I found out, my real problem was a temporary
failure in my internet connection. Bind 8 cached the
negative result.


> I have occasional issues like this, but this was the first I
> was able to collect data on.  Running bind 8.4.6 on RH 6.1,
> kernel 2.2.25.
> 
> Part of the point is setting up a newer box with a current
> bind 9.something, new ntpd, etc.
> 
> Thx, Chris
> 

I guess with Bind 9 the problem will solve itself.

Regards
Peter and Karin Dambier

-- 
Peter and Karin Dambier
The Public-Root Consortium
Graeffstrasse 14
D-64646 Heppenheim
+49(6252)671-788 (Telekom)
+49(179)108-3978 (O2 Genion)
+49(6252)750-308 (VoIP: sipgate.de)
mail: peter at peter-dambier.de
mail: peter at echnaton.serveftp.com
http://iason.site.voila.fr/
https://sourceforge.net/projects/iason/