[Pdns-users] Screwy pdns configuration.

[Peter van Dijk]

Hello Peter,

On Mar 14, 2013, at 22:38 , Peter Nunn wrote:

> The reverse lookup seems to work (atleast with dig) 
>  
> dig ptr -x 74.125.237.68 @192.168.0.57
>  
> ; <<>> DiG 9.8.1-P1 <<>> ptr -x 74.125.237.68 @192.168.0.57
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47736
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
>  
> ;; QUESTION SECTION:
> ;68.237.125.74.in-addr.arpa.    IN      PTR
>  
> ;; AUTHORITY SECTION:
> in-addr.arpa.           86400   IN      SOA     ns1.infoteq.com.au. hostmaster.infoteq.com.au. 2012123102 28800 7200 604800 86400
>  
> ;; Query time: 6 msec
> ;; SERVER: 192.168.0.57#53(192.168.0.57)
> ;; WHEN: Fri Mar 15 08:18:34 2013
> ;; MSG SIZE  rcvd: 109

Ok - it is not returning the actual name of that IP on the Internet, but it's fast and not a SERVFAIL. So, it should not cause the issues you are seeing with ping.

> ping google.com.au
> PING google.com.au (74.125.237.88) 56(84) bytes of data.
> From UbuntuDev.local (192.168.0.57): icmp_seq=1 Redirect Host(New nexthop: 192.168.0.1)
> 64 bytes from syd01s06-in-f24.1e100.net (74.125.237.88): icmp_req=1 ttl=54 time=48.1 ms
> From UbuntuDev.local (192.168.0.57): icmp_seq=2 Redirect Host(New nexthop: 192.168.0.1)
> 64 bytes from syd01s06-in-f24.1e100.net (74.125.237.88): icmp_req=2 ttl=55 time=48.4 ms
> From UbuntuDev.local (192.168.0.57): icmp_seq=3 Redirect Host(New nexthop: 192.168.0.1)
> 64 bytes from syd01s06-in-f24.1e100.net (74.125.237.88): icmp_req=3 ttl=54 time=48.0 ms
> From UbuntuDev.local (192.168.0.57): icmp_seq=4 Redirect Host(New nexthop: 192.168.0.1)
> 64 bytes from syd01s06-in-f24.1e100.net (74.125.237.88): icmp_req=4 ttl=55 time=48.0 ms
> From UbuntuDev.local (192.168.0.57): icmp_seq=5 Redirect Host(New nexthop: 192.168.0.1)
>  
> however, this is still slow.

The ICMP redirects suggest a networking misconfiguration - unrelated to PowerDNS.


Kind regards,
-- 
Peter van Dijk
Netherlabs Computer Consulting BV - http://www.netherlabs.nl/