reverse dns does not work

[Mark.Andrews at nominum.com]

	Also you should be a slave for 83.112.216.in-addr.arpa so
	that when your network connection is down you can resolve
	names internally.

	Mark
> 
> I tried a few reverse lookups in that address range, and all I got were
> CNAMEs to the name "sohar.com", which doesn't resolve to any PTR's.
> I think your provider is somewhat confused about how to implement
> RFC 2317. Given what you have set up on your server, they should be
> pointing those CNAMEs to names in the 64/26.83.112.216.in-addr.arpa zone.
> 
> 
> - Kevin
> bzhang at sohar.com wrote:
> 
> > I struggled with this for a long time. We got 64 IP addresses,
> > 216.112.83.64-127,  from our ISP. I am using version 8.1.* bind on Red
> > Hat 6.2.
> >
> > Here is the named.conf
> >
> > options {
> >         directory "/var/named";
> >
> > };
> >
> > zone "sohar.com" {
> >         type master;
> >         file "db.sohar";
> > };
> >
> > zone "meadep.com" {
> >         type master;
> >         file "db.meadep";
> > };
> >
> > zone "64/26.83.112.216.in-addr.arpa" {
> >         type master;
> >         also-notify {
> >                 206.173.119.72;
> >                 207.155.183.72;
> >                 207.155.183.73;
> >                 207.155.184.72;
> >         };
> >         file "db.216.112.83.64-127";
> > };
> > zone "." {
> >         type hint;
> >         file "named.ca";
> > };
> > zone "0.0.127.in-addr.arpa" {
> >         type master;
> >         file "named.local";
> > };
> >
> > Here is db.sohar
> >
> > $TTL 86400
> > @       IN      SOA     dns.sohar.com.  bzhang.sohar.com. (
> >         2000081614      ; Serial (yyyymmddhh)
> >              86400              ; Refresh (after 1 day)
> >              900                ; Retry (after 15 minutes)
> >              1209600            ; Expire (after 14 days)
> >              345600             ; Minimum (TTL of 4 days)
> >                                 )
> >         IN      NS      dns.sohar.com.
> >         IN      MX      10      mail.sohar.com.
> >         IN      MX      20      custmail.concentric.net.
> >         IN      A       216.112.83.112
> > sohar58 IN      A       216.112.83.112
> > dns     IN      CNAME   sohar58
> > ..............
> >
> > Here is the file db.216.112.83.64-127
> >
> > $TTL 86400
> > @       in      soa     dns.sohar.com.  bzhang.sohar.com. (
> >                 2000071919      ; Serial (yyyymmddhh)
> >                      86400              ; Refresh (after 1 day)
> >                      900                ; Retry (after 15 minutes)
> >                      1209600            ; Expire (after 14 days)
> >                      259200             ; Minimum (TTL of 3 days)
> >                                 )
> >                         in      ns      dns.sohar.com.
> >                         in      ns      nameserver3.concentric.net.
> > 112                             ptr     sohar58.sohar.com.
> > .........
> >
> > Here is the db.meadep
> >
> > $TTL 86400
> > @       IN      SOA     meadep.com.     bzhang.sohar.com. (
> >         2000081614      ; Serial (yyyymmddhh)
> >               86400             ; Refresh (after 1 day)
> >               900               ; Retry (after 15 minutes)
> >               1209600           ; Expire (after 14 days)
> >               345600            ; Minimum (TTL of 4 days)
> >                                 )
> >         IN      NS      dns.sohar.com.
> >         IN      MX      10      mail.sohar.com.
> >         IN      MX      20      custmail.concentric.net.
> >         IN      A       216.112.83.112
> > www     IN      A       216.112.83.111
> 
> 
> 
> 
> 
--
Mark Andrews, Nominum Inc.
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at nominum.com