Reverse lookup on a subnet

Barry Margolin barmar at alum.mit.edu
Mon Dec 15 21:01:56 UTC 2003


In article <brku1l$7or$1 at sf1.isc.org>,
 Stein Oddvar Rasmussen <stor at online.no> wrote:

> Hello.
> 
> I have set up a name-server (bind9) for our domain and now I'm trying to 
> configure a reverse-lookup-zone on the server and I am a little confused...
> 
> Now, the IP-range I'm in charge of is a subnet of a class-C net, like this:
> 
> Network address: xxx.xxx.244.32
> Netmask:	 xxx.xxx.244.240
> 
> Is it at all possible to set up a reverse-zone for a subnet like this?

See RFC 2317.  There's also a section in the "DNS & BIND" book that 
explains it.

-- 
Barry Margolin, barmar at alum.mit.edu
Woburn, MA


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