[114886] in North American Network Operators' Group
Re: glue record
daemon@ATHENA.MIT.EDU (Mark Andrews)
Fri May 29 02:17:14 2009
To: Anton Zimm <anton.zimm@gmail.com>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Fri, 29 May 2009 13:06:51 +0700."
<1e0e55280905282306v69cea6b7m22b7ea6e8dea6afe@mail.gmail.com>
Date: Fri, 29 May 2009 16:16:58 +1000
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
In message <1e0e55280905282306v69cea6b7m22b7ea6e8dea6afe@mail.gmail.com>, Anton
Zimm writes:
> Hi,
> I'm looking for glue record for ns1.push.mobi so I ask one of the root
> name server.
> It gives me the list of dot mobi authorized name servers.
>
> I'm expecting it to be answered by one of the mobi tld authorized name
> servers, but it's telling me that it delegates the answer to
> ns1.push.mobi instead. It does not make sense for me because how can I
> ask ns1.push.mobi if I don't know its ip address yet...
> Clue please..?
Did you bother to read the response? The glue records are
in the *additional* section. Iterative resolvers know to
look in the additional section to find glue records.
Mark
> -----
> az@hollywood:~$ dig @B2.MOBI.AFILIAS-NST.ORG. ns1.push.mobi
> ....
>
> ;; QUESTION SECTION:
> ;ns1.push.mobi. IN A
>
> ;; AUTHORITY SECTION:
> push.mobi. 86400 IN NS ns1.push.mobi.
> push.mobi. 86400 IN NS ns2.push.mobi.
>
> ;; ADDITIONAL SECTION:
> ns1.push.mobi. 86400 IN A 117.102.248.2
> ns2.push.mobi. 86400 IN A 117.102.248.3
> -----
>
> best,
> Anton.
>
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka@isc.org