; ; Zone file for: 10.10.10.in-addr.arpa. ; $ORIGIN 10.10.10.in-addr.arpa. @ IN SOA ns.example.com. hostmaster.example.com. ( 1998121400 ; serial 86400 ; refresh 7200 ; retry 604800 ; expire 345600) ; minimum ; Nameserver @ NS ns.example.com. @ NS ns2.example.com. ;;0;NETWORK 1 IN PTR host1.example.com. 2 IN PTR host2.example.com. 10 IN PTR www.example.com. 16 IN PTR ftp.example.com. ;;31;BROADCAST