help wiht classless network and reverse lookups

Mark.Andrews at nominum.com Mark.Andrews at nominum.com
Tue Mar 20 20:24:33 UTC 2001


	Classless in-addr.arpa requires *two* zones to be setup.
	Lookups won't work until both zones are setup.

	As for '-' vs '/', either is acceptable to ALL versions of
	ALL nameservers from ALL vendors.  '-' will cause less
	problems with buggy resolver libraries than '/' will.
	

	Mark

> 
> I'm using version 8.something... should have mentioned that...
> I've tried slash and dash, both produce the same results...
> Any other ideas appreiciated... It sounds as though it should
> work for my internal network, even if my ISP isn't set up
> per RFC2317?
> 
> Thanks
> 
> Bill
> 
> Peter Anton wrote:
> 
> > on 3/20/01 9:18 PM, Bill Dossett at postmaster at bill.co.uk wrote:
> > > named.conf contains
> > >
> > > zone "0-26.235.243.193.in-addr.arpa"{
> > > type master;
> > > file "193.243.235";
> > > };
> > >
> > > 193.243.235 contains
> > >
> > > $ORIGIN 0-26.235.243.193.in-addr.arpa.
> > > @    IN SOA     ns0.terrapin.co.uk.     postmaster.bill.co.uk. (....)
> > > ...
> > > @                       NS      ns0.terrapin.co.uk.
> > > @                       NS      ns0.emtex.com.
> > > 3                       IN      PTR     lucida.terrapin.co.uk.
> >
> > Here goes my first attempt at helping someone here... Second if you count
> > the inadvertent empty message sent a moment ago, for which I now
> > apologize...
> >
> > This may be way off base, as you implied you did not get error messages
> > during the named startup in the logs.
> > You also didn't mention which version you are using... But we're using
> > 9.1.1, and I also had some trouble getting the classless delegation to work
> > as well until...
> >
> > I realized that the recent versions do not support the range listed as
> > 0-26.235.243.193.in-addr.arpa
> > in the named.conf zone statement.
> >
> > Instead, try a slash:
> >
> > zone "0/26.235.243.193.in-addr.arpa"{
> >             type master;
> >             file "193.243.235";
> >         };
> >
> > When I originally used the dash, I did get error messages during named
> > startups and -HUP's, basically alerting me that the zone did not load
> > properly.
> >
> > --
> > Peter John Anton         Technical Manager, MicroPRINT
> > Waltham, Mass., USA               781-890-7500
> > peter at mprint.com
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com


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