Enter host name or IP address: 1 result(s) for 73.173.126.204.in-addr.arpa
namequery typeresultfirst seenlast seen
73.173.126.204.in-addr.arpa. PTRxtrnldns02-rfc.rockfordcorp.com.
2015-02-05 04:41:172015-02-05 09:41:16

WHOIS info for: 73.173.126.204.in-addr.arpa 

No whois server is known for this kind of object.