Enter host name or IP address: 2 result(s) for 100.221.31.in-addr.arpa
namequery typeresultfirst seenlast seen
100.221.31.in-addr.arpa. NSauth1.exponential-e.net.
2014-12-23 09:08:052021-12-01 13:25:12
100.221.31.in-addr.arpa. NSauth0.exponential-e.net.
2014-12-23 09:08:052021-12-01 13:25:12

WHOIS info for: 100.221.31.in-addr.arpa

No whois server is known for this kind of object.