Enter host name or IP address: 2 result(s) for 223.73.68.in-addr.arpa
namequery typeresultfirst seenlast seen
223.73.68.in-addr.arpa. NSns2.ameritech.net.
2014-07-28 17:11:582014-07-28 21:11:58
223.73.68.in-addr.arpa. NSns1.ameritech.net.
2014-07-28 17:11:582014-07-28 21:11:58

WHOIS info for: 223.73.68.in-addr.arpa

No whois server is known for this kind of object.