[Pdns-users] Re: Weird issues between host and dig

[Tyler Hall]

I answered my own question, it was the resolver.

Thanks.


On Thu, Jun 4, 2009 at 12:58 PM, Tyler Hall <tyler at tylerhall.net> wrote:

> Hello -
>
> I'm having a weird problem with wildcards and differences on outputs
> received between dig and host.
>
> If i run dig, I get the correct answer, while host servfails.
>
> Here are the two records in question:
>
> mysql> select name,type,content from records where name like '%
> schulhausplate.ch%';
>
> +------------------------------------------+-------+-----------------------------------------------------------------------------+
> | name                                     | type  |
> content
> |
>
> +------------------------------------------+-------+-----------------------------------------------------------------------------+
> | *.schulhausplate.ch                      | CNAME | schulhausplate.ch.
> |
> | schulhausplate.ch                        | A     |
> 195.190.179.1                                                             |
>
> +------------------------------------------+-------+-----------------------------------------------------------------------------+
>
> I have the following set in pdns.conf;
>
> wildcards=yes
>
> Here is the sql query that is being ran when I do both dig and host;
>
> 45 Query       select content,ttl,prio,type,domain_id,name from records
> where name='asfasklfjahfkjhas.schulhausplate.ch'
> 45 Query       select content,ttl,prio,type,domain_id,name from records
> where type='SOA' and name='asfasklfjahfkjhas.schulhausplate.ch'
> 45 Query       select content,ttl,prio,type,domain_id,name from records
> where type='SOA' and name='schulhausplate.ch'
> 45 Query       select content,ttl,prio,type,domain_id,name from records
> where name='*.schulhausplate.ch'
> 45 Query       select content,ttl,prio,type,domain_id,name from records
> where name='schulhausplate.ch.'
> 45 Query       select content,ttl,prio,type,domain_id,name from records
> where type='SOA' and name='schulhausplate.ch.'
> 45 Query       select content,ttl,prio,type,domain_id,name from records
> where type='SOA' and name='ch.'
>
> If I'm reading the pdns code correctly, if wildcards is enable it should
> also do a host is like sql statement, no?
>
> $ dig asdf.schulhausplate.ch @ns5.us CNAME
> asdf.schulhausplate.ch. 3600    IN      CNAME   schulhausplate.ch.
>
> What is weird though is that pdns servfails according to tcpdump, but dig
> still responds correctly;
>
> 15:52:05.186041 IP 209.234.247.xx.36426 > 72.249.105.xx.domain:  15897+
> CNAME? asdf.schulhausplate.ch. (40)
> 15:52:05.187325 IP 72.249.105.xx.domain > 209.234.247.xx.36426:  15897
> ServFail- 1/0/0 CNAME[|domain]
>
> Same behavior with host, except it doesn't resolve:
>
> $ host -t CNAME asdf.schulhausplate.ch ns5.us
> Host asdf.schulhausplate.ch not found: 2(SERVFAIL)
>
> 15:52:21.762398 IP 209.234.247.xx.56340 > 72.249.105.xx.domain:  48002+
> CNAME? asdf.schulhausplate.ch. (40)
> 15:52:21.763337 IP 72.249.105.xx.domain > 209.234.247.xx.56340:  48002
> ServFail- 1/0/0 CNAME[|domain]
>
> Is this behavior because I don't have a recurser setup on the box?   It
> seems the domain still resolves, it just gives odd behavior with 'host'
> Any advice you can give would help a lot.
>
> Thanks.
>
>
>
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