[Pdns-users] problems resolving 'juniper.net' in 3.1.5?

[Eugene Pefti]

Hi Kees,

Is it possible to include this fix into the latest rpm package for
CentOS/RHEL?

Eugene

-----Original Message-----
From: pdns-users-bounces at mailman.powerdns.com
[mailto:pdns-users-bounces at mailman.powerdns.com] On Behalf Of bert hubert
Sent: Sunday, April 20, 2008 12:14 PM
To: Brad Dameron
Cc: pdns-users at mailman.powerdns.com
Subject: Re: [Pdns-users] problems resolving 'juniper.net' in 3.1.5?

The problem has been found & solved. This will lead to 3.1.6 on relatively
short order.

In the meantime, try:
http://svn.powerdns.com/snapshots/pdns-recursor-3.1.6-pre.tar.bz2

Or apply: http://wiki.powerdns.com/cgi-bin/trac.fcgi/changeset/1178
"fix issue resolving popular domains where one of the nameservers is
suffering from a timeout. Many thanks to Eric Veldhuyzen, Kees Monshouwer
and Brad Dameron for their aid in debugging this issue."

Regards,

Bert Hubert


On Sat, Apr 19, 2008 at 10:10:44PM -0700, Brad Dameron wrote:
> Bert,
>  
> Have another domain that seems to have stopped functioning:
>  
> credcoservices.com
>  
> It appears to not attempt to recurse to the other dns server. Which is
ns1.easydns.com. And thus just fails. I did a dig and you can see that
ns2.easydns.com fails and thus the recursor fails never trying ns1.
>  
> **PRODUCTION 1.01 ** ANC(fw/dns):/root>dig @ns2.easydns.com
credcoservices.com
> 
> ; <<>> DiG 9.2.4 <<>> @ns2.easydns.com credcoservices.com
> ;; global options:  printcmd
> ;; connection timed out; no servers could be reached
> **PRODUCTION 1.01 ** ANC(fw/dns):/root>dig @ns1.easydns.com
credcoservices.com
> 
> ; <<>> DiG 9.2.4 <<>> @ns1.easydns.com credcoservices.com
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51816
> ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4
> 
> ;; QUESTION SECTION:
> ;credcoservices.com.        IN    A
> 
> ;; ANSWER SECTION:
> credcoservices.com.    10800    IN    A    66.203.97.50
> 
> ;; AUTHORITY SECTION:
> credcoservices.com.    10800    IN    NS    ns2.easydns.com.
> credcoservices.com.    10800    IN    NS    remote1.easydns.com.
> credcoservices.com.    10800    IN    NS    remote2.easydns.com.
> credcoservices.com.    10800    IN    NS    ns1.easydns.com.
> 
> ;; ADDITIONAL SECTION:
> ns1.easydns.com.    3600    IN    A    66.225.199.10
> ns2.easydns.com.    3600    IN    A    72.52.2.1
> remote1.easydns.com.    3600    IN    A    209.200.131.4
> remote2.easydns.com.    3600    IN    A    66.252.1.10
> 
> ;; Query time: 50 msec
> ;; SERVER: 66.225.199.10#53(ns1.easydns.com)
> ;; WHEN: Sat Apr 19 20:44:34 2008
> ;; MSG SIZE  rcvd: 204
> 
> Hope this helps.
>  
> Brad Dameron
> Clearw're
> Senior Systems Engineer
> 
> ________________________________
> 
> From: pdns-users-bounces at mailman.powerdns.com on behalf of bert hubert
> Sent: Fri 4/18/2008 8:10 AM
> To: pdns-users at mailman.powerdns.com
> Subject: [Pdns-users] problems resolving 'juniper.net' in 3.1.5?
> 
> 
> 
> Hi everybody,
> 
> Over at #powerdns on IRCnet we are currently trying to debug a problem
where
> heavily loaded PowerDNS 3.1.5 recursors are unable to resolve the
> juniper.net domain name.
> 
> Could 3.1.5 users please try to resolve www.juniper.net, and if they find
> that there is a problem, see if you can get PowerDNS to provide you with a
> --trace.
> 
> this can be done for example by adding 'trace' to the configuration file,
> --trace to the commandline, or by sending signal USR2 to the pdns_recursor
> binary.
> 
> Be warned that this will generate TREMENDOUS amounts of logfiles.
> 
> Thanks!
> 
> 
> --
> http://www.PowerDNS.com <http://www.powerdns.com/>       Open source,
database driven DNS Software
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