Re: Should a nameserver know about itself?

Mark.Andrews@nominum.com Wed, 09 May 2001 08:09 UTC

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To: Bruce Campbell <bruce.campbell@apnic.net>
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From: Mark.Andrews@nominum.com
Subject: Re: Should a nameserver know about itself?
In-reply-to: Your message of "Wed, 09 May 2001 16:33:11 +1000." <Pine.BSF.4.21.0105091625580.43413-100000@julubu.staff.apnic.net>
Date: Wed, 09 May 2001 17:43:43 +1000
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> 
> For those that aren't familar with our DNS operations, we manage in an
> automated fashion the reverse delegations for the Asia Pacific Region.
> 
> We've assumed (in writing one of our automated delegation tests) that a
> given nameserver is 'responding' if it knows about itself, ie, can supply,
> when queried, an A/AAAA/A6 record and/or a PTR record for its own name/IP
> address.
> 
> Unfortunately, we're running into a number of delegations that are failing
> as the given nameservers fail both of the above tests, ie, the given
> nameserver cannot supply any information about itself.
> 
> Is the assumption that a nameserver should have information about itself
> correct?

	The assumption is incorrect.  The only time it has to be able to
	retrieve its own address is when it lives within a domain it
	serves.  It never needs to know its own name.

	Mark

> 
> -- 
>   Bruce Campbell <bruce.campbell@apnic.net>                +61-7-3367-0490
>                       Systems Administrator                          APNIC
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews@nominum.com