Enter host name or IP address: 1 result(s) for 251.181.99.121.in-addr.arpa
namequery typeresultfirst seenlast seen
251.181.99.121.in-addr.arpa. PTRdefault-rdns.callplus.co.nz.
2016-06-04 23:10:132016-06-05 03:10:13

WHOIS info for: 251.181.99.121.in-addr.arpa 

No whois server is known for this kind of object.