Reverse Configuration

[João Alberto Kuchnier]

Yes! I have eight domains in the same server using the same IP
distribution.

My rev file, have PTR entries for all of them. Its not necessary?

João K.


Em Sex, 2010-10-15 às 22:44 -0400, Barry Margolin escreveu:
> In article <mailman.483.1287158389.555.bind-users at lists.isc.org>,
>  João Alberto Kuchnier <joao.kuchnier at gmail.com> wrote:
> 
> > Ari,
> > 
> > I fixed it to use only one reverse file. Like this below:
> > 
> > zone "0-15.101.198.200.in-addr.arpa" {
> >         type master;
> >         file "/etc/bind/rev";
> >         allow-transfer { slave; };
> > };
> > 
> > The rev file is like this:
> > 
> > ; 101.198.200.in-addr.arpa
> > $ORIGIN 0-15.101.198.200.IN-ADDR.ARPA.
> > $TTL    86400
> > @       IN      SOA     ns1.dataprom.com. postmaster.dataprom.com. (
> >         2010101501 ; Serial
> >         10800 ; Refresh
> >         3600 ; Retry
> >         1209600 ; Expire
> >         3600 ) ; Negative Cache TTL
> > ;
> > @       IN      NS      dataprom.com.
> > 3       IN      PTR     ns1.dataprom.com.
> > 4       IN      PTR     ns2.dataprom.com.
> > 5       IN      PTR     mail.dataprom.com.
> > 
> > There are more domains in the same file using the same IPs. Is this a
> > problem?
> 
> Do you mean that both foo.dataprom.com and bar.someotherdomain.com both 
> resolve to the same IP?  That's not a problem.
> 
> While you can legally have multiple reverse entries for the IP, it's not 
> generally necessary or recommended.  Pick one of the names and use that 
> in the reverse entry.
> 
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