OT question about dns

[Paul Schmehl]

--On Monday, April 07, 2008 23:14:29 +0000 D Hill <d.hill at yournetplus.com> 
wrote:

> On Mon, 7 Apr 2008 at 18:05 -0500, pauls at utdallas.edu confabulated:
>
>> Does anyone know how to use dig or some other tool to query for TXT records
>> in DNS?
>>
>> I'm working on implementing spf on a small domain that I maintain, and it
>> doesn't seem to be working (according to the validators I'm using.)  I'd
>> like  to be able to query the dns server myself, but I can't seem to find
>> anything  on how to extract or view TXT records for a domain.
>>
>> I tried dig @server domain TXT and dig @server domain MX, but I don't get
>> the  TXT record.
>
> %dig @what_ever_nameserver example.com txt
>
> works for me. Let's see what AOL returns:
>
> %dig @localhost aol.com txt
> ...
> ;; QUESTION SECTION:
> ;aol.com.                       IN      TXT
>
> ;; ANSWER SECTION:
> aol.com.                300     IN      TXT     "v=spf1 ip4:152.163.225.0/24
> ip4:205.188.139.0/24 ip4:205.188.144.0/24 ip4:205.188.156.0/23
> ip4:205.188.159.0/24 ip4:64.12.136.0/23 ip4:64.12.138.0/24
> ip4:64.12.143.99/32 ip4:64.12.143.100/32 ip4:64.12.143.101/32 ptr:mx.aol.com
> ?all"
> aol.com.                300     IN      TXT     "spf2.0/pra
> ip4:152.163.225.0/24 ip4:205.188.139.0/24 ip4:205.188.144.0/24
> ip4:205.188.156.0/23 ip4:205.188.159.0/24 ip4:64.12.136.0/23
> ip4:64.12.138.0/24 ip4:64.12.143.99/32 ip4:64.12.143.100/32
> ip4:64.12.143.101/32 ptr:mx.aol.com ?all"

Ummm...this turned out to be an ID10t problem.  I'm too embarrassed to explain 
exactly what.  :-(

But thanks for the explanation.  :-)

-- 
Paul Schmehl (pauls at utdallas.edu)
Senior Information Security Analyst
The University of Texas at Dallas
http://www.utdallas.edu/ir/security/