Hello guys.
I was writting the reverse zone definitions you recommended some weeks ago.
What I understood is that RFC 1918/3330/5735 defines the reserved ips
for internal or experimental use. They can not be routed outside a
private network.
It means that my dns cache server should not send those queries to root
servers.
I declarer all those ips on a single reverse zone (just showing 3 zones):
zone "10.in-addr.arpa" IN{ //for 10.X.X.X
type master;
file "named.loopback";
allow-update { none; };
};
zone "16.172.in-addr.arpa" IN{ //for 172.16.X.X
type master;
file "named.loopback";
allow-update { none; };
};
zone "168.192.in-addr.arpa" IN{ // for 192.168.X.X
type master;
file "named.loopback";
allow-update { none; };
};
and use the " named.loopback" file for all of them wich contains:
$TTL 1D
@ IN SOA @ rname.invalid. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
NS @
A 127.0.0.1
AAAA ::1
PTR localhost.
Im not shure how to declare a RR to point to "nowhere". My workaround
is working but I wonder if it is good practice.
Any suggestion is wellcome.
Thanks in advance ,
Leandro.
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