Enter host name or IP address: 2 result(s) for 136.221.83.in-addr.arpa
namequery typeresultfirst seenlast seen
136.221.83.in-addr.arpa. NSauthns1.ngdc.net.
2015-04-18 17:54:192015-04-18 21:54:18
136.221.83.in-addr.arpa. NSauthns2.ngdc.net.
2015-04-18 17:54:192015-04-18 21:54:18

WHOIS info for: 136.221.83.in-addr.arpa

No whois server is known for this kind of object.