[root@frozen][/etc/namedb] $ cat domains/171.152.66.in-addr.arpa
$TTL 4000
@ IN SOA ns1.magicshells.com. root.magicshells.com.com. (
2001063000 ; serial
21600 ; refresh after 6 hours
3600 ; retry after 1 hour
604800 ; expire after 1 week
86400 ) ; minimum TTL of 1 day
IN NS ns1.magicshells.com.
IN NS ns2.magicshells.com.
IN MX 10 mail.magicshells.com.
$ORIGIN 171.152.66.in-addr.arpa.
2 IN PTR frozen.magicshells.com.
3 IN PTR ns1.magicshells.com.
4 IN PTR ns2.magicshells.com.
6 IN PTR www.magicshells.com.
7 IN PTR mail.magicshells.com.
10 IN PTR unixhacker.net.