Classless Reverse zones

[Mark.Andrews at nominum.com]

> Hi ,
> 
> I was originally thinking maybe I could create a static zone
> 116.10.in-addr.arpa and then have n.116.10.in-addr.arpa zone which would
> cover the subnet 10.116.32.0/22 (ie 10.116.32.1 - 10.116.35.254).
> 
> I started off calling that zone 22/40.116.10.in-addr.arpa.
> 
> Trouble is when a W2K updates it gets the SOA rec to work out which zone to
> update.

	W2K doesn't cope with classless in-addr.arpa zones regardless
	of where you put the CNAMES.  It wouldn't be hard for MS to
	look for the CNAME and change the owner of the PTR record
	and then perform the update.

> 
> The other trouble was I couldn't get the nameserver to recognise for example
> that for 10.116.43.1 to update zone 22/40.116.10.in-addr.arpa not
> 116.10.in-addr.arpa.
> 
> Is this just not possible?
> 
> I guess the other way around would be to make 116.10.in-addr.arpa dynamic
> and then define as many other static class C reverse zones separate to that.

	That will work as will a mix of static and dynamic /24 reverse
	zones.

	Mark

> 
> Regards,
> 
> Peter Anderson
> Senior Communications Analyst
> <Remove ETER from my address to reply>
> 
> Any views or opinions presented are solely those of the author and do
> not necessarily represent those of Westpac Banking Corporation.
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com