[Pdns-users] DNS resolution problem with pdns-recursor-3.3

Kenneth Marshall ktm at rice.edu
Thu Apr 21 14:20:10 UTC 2011


On Thu, Apr 21, 2011 at 03:39:57PM +0200, bert hubert wrote:
> Kenneth,
> 
> Can you reproduce the issue with 
> http://svn.powerdns.com/snapshots/pdns-recursor-3.4-pre.tar.bz2 ?
> 
> I can resolve cdn4.digitalconcerthall.com reliably with it here.
> 
> 	Bert
> 
Hi Bert,

I still get the same responses. Here are the commands I ran and
I have attached the --trace logs.

Regards,
Ken

------------

> ./pdns_recursor --trace
Apr 21 09:14:38 Unable to parse configuration file '/etc/opt/pdns-recursor/recursor.conf'
Apr 21 09:14:38 PowerDNS recursor 3.4-pre (C) 2001-2010 PowerDNS.COM BV (Apr 21 2011, 08:52:43, gcc 4.1.2) starting up
Apr 21 09:14:38 PowerDNS comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it according to the terms of the GPL version 2.
Apr 21 09:14:38 Operating in 32 bits mode
Apr 21 09:14:38 Reading random entropy from '/dev/urandom'
Apr 21 09:14:38 Only allowing queries from: 127.0.0.0/8, 10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12, ::1/128, fe80::/10
Apr 21 09:14:38 Will not send queries to: 127.0.0.0/8, 10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12, ::1/128, fe80::/10, 0.0.0.0, ::
Apr 21 09:14:38 Inserting rfc 1918 private space zones
Apr 21 09:14:38 Listening for UDP queries on 127.0.0.1:53
Apr 21 09:14:38 Enabled TCP data-ready filter for (slight) DoS protection
Apr 21 09:14:38 Listening for TCP queries on 127.0.0.1:53
Apr 21 09:14:38 Calling daemonize, going to background
> dig @localhost cdn4.digitalconcerthall.com

; <<>> DiG 9.2.4 <<>> @localhost cdn4.digitalconcerthall.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 19422
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cdn4.digitalconcerthall.com.   IN      A

;; Query time: 3644 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Apr 21 09:14:51 2011
;; MSG SIZE  rcvd: 45

> dig @localhost cname cdn4.digitalconcerthall.com

; <<>> DiG 9.2.4 <<>> @localhost cname cdn4.digitalconcerthall.com
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3003
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cdn4.digitalconcerthall.com.   IN      CNAME

;; ANSWER SECTION:
cdn4.digitalconcerthall.com. 43200 IN   CNAME   cdn4.digitalconcerthall.com.edgesuite.net.

;; Query time: 142 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Apr 21 09:15:00 2011
;; MSG SIZE  rcvd: 100

> dig @localhost cdn4.digitalconcerthall.com.edgesuite.net

; <<>> DiG 9.2.4 <<>> @localhost cdn4.digitalconcerthall.com.edgesuite.net
; (1 server found)
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57540
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cdn4.digitalconcerthall.com.edgesuite.net. IN A

;; ANSWER SECTION:
cdn4.digitalconcerthall.com.edgesuite.net. 21600 IN CNAME a267.g.akamai.net.
a267.g.akamai.net.      20      IN      A       204.0.5.48
a267.g.akamai.net.      20      IN      A       204.0.5.34

;; Query time: 459 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Apr 21 09:15:19 2011
;; MSG SIZE  rcvd: 119

> ../bin/rec_control quit
bye

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