named
Bill Gradwohl
bill at ycc.com
Sat Dec 25 15:01:11 UTC 2004
Giuseppe Greco wrote:
>Hi all,
>
>I use named for resolving the names of my internal
>hosts... and it works fine.
>
>Just a question: why should I also create the
>1.168.192.in-addr.arpa.zone file (192.168.1.0/24)?
>What should its content be?
>
>Thanks,
>j3d.
>
>
>
in-addr.arpa is for reverse lookup. If you want to reverse resolve
192.168.1.123 to some box, then you need the in-addr.arpa to accomplish
this. If you don't want reverse resolution, then you don't need it.
However, lots of services will want to reverse resolve IP addresses, so
its's a good idea to implement it.
Here's a sample:
$ORIGIN .
$TTL 86400 ; 1 day
168.168.192.in-addr.arpa IN SOA ns1.somedomain.xyz. bill.somedomain.xyz. (
401041028 ; serial
28800 ; refresh (8 hours)
7200 ; retry (2 hours)
604800 ; expire (1 week)
86400 ; minimum (1 day)
)
NS ns1.somedomain.xyz.
NS ns2.somedomain.xyz.
$ORIGIN 168.168.192.in-addr.arpa.
1 PTR firewall.somedomain.xyz.
10 PTR w2ksrvr.somedomain.xyz.
11 PTR wntsrvr.somedomain.xyz.
12 PTR wxpsrvr.somedomain.xyz.
--
Bill Gradwohl
bill at ycc.com
http://www.ycc.com
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