Subnetted Reverse DNS - Going crazy

[Andrew Hydle]

Unfortunately I cant get verizon to do anything yet because I cannot resolve
the zone locally. There software does a DNS verification to make sure that
the zone is configured before they delegate it. But the zone is not working
at all on our servers so they cannot delegate it.
On 11/6/07, Mark Andrews <Mark_Andrews at isc.org> wrote:
>
>
> > I have been assigned a /28 ip range and am having some issues setting up
> > reverse dns.
>
>        Talk to Verizon.  You and them need to decide how this
>        delegation will be performed.  See RFC 2317 for details.
>        They will have done this before and will have a prefered
>        convention (208-223.130.212.65.in-addr.arpa vs
>        208/28.130.212.65.in-addr.arpa vs ....).
>
>        You should also make yourself a slave to 130.212.65.in-addr.arpa.
>        That way you will have the CNAMEs locally when your link goes
>        down.  This will allow you nameserver to map between the well
>        known names and the names you are actually using to hold the
>        PTR records.
>
>                zone "130.212.65.in-addr.arpa" {
>                        type slave;
>                        file "130.212.65.in-addr.arpa";
>                        notify no;
>                        masters { 198.6.100.21; };
>                };
>
>        Mark
>
> > So far I have tried setting up my named.conf two ways:
> > named.conf:
> > zone "208-223.130.212.65.in-addr.arpa" IN {
> >         type master;
> >         file "65.212.130.rev";
> >         allow-update { none; };
> >         allow-query { any; };
> > };
> >
> > or
> >
> > zone "208/28.130.212.65.in-addr.arpa" IN {
> >         type master;
> >         file "65.212.130.rev";
> >         allow-update { none; };
> >         allow-query { any; };
> > };
> >
> > and I have my db file setup like so:
> >
> >
> > $TTL    43200
> > @       IN      SOA     dns2.external.com. mail.external.com.  (
> >                                       2007110601 ; Serial
> >                                       1H    ; Refresh
> >                                       30M   ; Retry
> >                                       2D    ; Expire
> >                                       12H )  ; Minimum
> >
> >         IN      NS      dns2.external.com.
> >         IN      NS      dns1.external.com.
> >
> > 210     IN      PTR     hosta.com.
> > 220     IN      PTR     hostb.com.
> >
> > If I do an nslookup I get:
> >
> > ** server can't find 220.130.212.65.in-addr.arpa: NXDOMAIN
> >
> > and Dig gives me the same information showing that the ip is hosted with
> my
> > ISP. I am trying to get this working so that my ISP can delegate the
> domain.
> >
> > If I set the zone to a class c I can resolve properly so I know it isnt
> a
> > formatting issue in by db file but I cannot figure out what I am doing
> > wrong. Can someone please help?
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org
>