[166298] in North American Network Operators' Group
Re: invalid SOA record? or just unusual
daemon@ATHENA.MIT.EDU (Mark Andrews)
Wed Oct 16 01:37:36 2013
To: DV <iamzam@gmail.com>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Tue, 15 Oct 2013 21:25:44 -0400."
<CAEiuvJAWWR=47rq14x1cGpQUCHhmjGoD4QqCHrv_a+auhHpL6w@mail.gmail.com>
Date: Wed, 16 Oct 2013 16:35:49 +1100
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
In message <CAEiuvJAWWR=47rq14x1cGpQUCHhmjGoD4QqCHrv_a+auhHpL6w@mail.gmail.com>
, DV writes:
> Hello nanog,
>
> Hopefully someone will have some input here on this DNS problem and
> why it is happening.
> I have just uncovered what seems to be a misconfiguration in an SOA
> record. This causes the domain to be unable to be resolved via a few
> of my DNS servers.
> It seems to work everywhere else I check it just fine, except for
> these two DNS servers.
>
> One of these DNS servers is Win 2003 and the other is the standard
> latest RHEL6 bind 9.8.2.blah-blah so I don't think it would be a bug
> that affects both.
> They are both behind a NAT Firewall gateway which could also be
> causing problems by inspecting DNS traffic...
It's the NAT. named doesn't care about the MNAME.
Mark
> Below is the SOA record in question for the site that cannot be
> resolved by our name servers.
> Particluarly the "." in place of the authoritative server which seems
> to be a mis-config and I am not sure the reason for it.
>
> # dig soa rapportive.com
>
> ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.4 <<>> @172.20.20.254
> soarapportive.com
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33703
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;rapportive.com. IN SOA
>
> ;; ANSWER SECTION:rapportive.com. 3600 IN SOA .
> hostmaster.rapportive.com.
> 2013041614 3600 3600 3600 3600
>
> ;; Query time: 54 msec
> ;; SERVER: 172.20.20.254#53(172.20.20.254)
> ;; WHEN: Tue Oct 15 16:49:57 2013
> ;; MSG SIZE rcvd: 78
>
>
> Thanks for any help, I would be grateful for any suggestions at all...
> Perhaps someone does the same thing with their SOA records?
>
> DV
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
