dig -x 212.204.60.79 | sed '/^;/d; /^$/d'
79.60.204.212.in-addr.arpa. 86299 IN PTR bsdforen.de.
60.204.212.in-addr.arpa. 86299 IN NS ns1.bytecamp.net.
60.204.212.in-addr.arpa. 86299 IN NS ns2.bytecamp.net.
ns1.bytecamp.net. 85092 IN A 212.204.60.4
ns2.bytecamp.net. 85092 IN A 212.204.49.83