On Fri, 22 Jan 1999, Robert G. Fisher wrote:
> Does anyone know how I could delegate a subnet for DNS lookups?
>
> I know I can do something along the lines of
>
> 24.3.168.192-IN-ADDR-ARPA IN NS other-ns.domain.com
>
> or something along those lines ;-)
>
> But, curious how to do something for like the 192.168.3.24/28 network?
There are a couple of tricks for this. I think the most common is where
you make each reverse address a cname to one that somehow encodes the
network in it. So in the server authoritative for 3.168.192.in-addr.arpa,
you would have and entry that said something like:
24.3.168.192.in-addr.arpa. IN CNAME 24.16.3.168.192.in-addr.arpa.
Where 192.168.3.16 is your network address (that is it, right?).
Then you would have a server in 192.168.3.16 that was authoritative for
16.3.168.192.in-addr.arpa.
Something looking up 192.168.3.24 would get the cname, then look up the
cname, more or less. Does that make sense?
>
> --
> Robert G. Fisher NEOCOM Microspecialists Inc.
> System Administrator/Programmer (540) 666-9533 x 116
---
$ fortune -s
The only problem with being a man of leisure is that you can never stop
and take a rest.
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