Novell LINUX ENTERPRISE SERVER 11 - ADMINISTRATION Administration Manual page 313

pluto AAAA 2345:00C1:CA11::1234:5678:9ABC:DEF0
pluto AAAA 2345:00D2:DA11::1234:5678:9ABC:DEF0
Line 20:
The alias ntp can be used to address dns (CNAME means canonical name).
The pseudodomain in-addr.arpa is used for the reverse lookup of IP addresses
into hostnames. It is appended to the network part of the address in reverse notation.
So 192.168 is resolved into 168.192.in-addr.arpa. See
verse Lookup" (page 299).
Example 21.7 Reverse Lookup
1. $TTL 2D
2. 168.192.in-addr.arpa.
3.
4.
5.
6.
7.
8.
9.
10.
11. 1.5
12. 100.3
13. 253.2
Line 1:
$TTL defines the standard TTL that applies to all entries here.
Line 2:
The configuration file should activate reverse lookup for the network 192.168.
Given that the zone is called 168.192.in-addr.arpa, it should not be added
to the hostnames. Therefore, all hostnames are entered in their complete form—with
their domain and with a "." at the end. The remaining entries correspond to those
described for the previous example.com example.
Lines 3–7:
See the previous example for example.com.
IN SOA dns.example.com. root.example.com. (
2003072441 ; serial
1D ; refresh
2H ; retry
1W ; expiry
2D ) ; minimum
IN NS dns.example.com.
IN PTR gate.example.com.
IN PTR www.example.com.
IN PTR cups.example.com.
Example 21.7, "Re-
The Domain Name System 299