glue record

Mark Andrews marka at isc.org
Fri May 29 01:16:58 CDT 2009


In message <1e0e55280905282306v69cea6b7m22b7ea6e8dea6afe at 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 at 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 at isc.org




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