Enter host name or IP address: 5 result(s) for 231.234.191.in-addr.arpa
namequery typeresultfirst seenlast seen
231.234.191.in-addr.arpa. NSNS2.MSFT.NET.
2014-10-05 19:40:462015-02-27 21:21:38
231.234.191.in-addr.arpa. NSNS1.MSFT.NET.
2014-10-05 19:40:462015-02-27 21:21:38
231.234.191.in-addr.arpa. NSNS3.MSFT.NET.
2014-10-05 19:40:462015-02-27 21:21:38
231.234.191.in-addr.arpa. NSNS4.MSFT.NET.
2014-10-05 19:40:462015-02-27 21:21:38
231.234.191.in-addr.arpa. NSNS5.MSFT.NET.
2014-10-05 19:40:462015-02-27 21:21:38

WHOIS info for: 231.234.191.in-addr.arpa 

No whois server is known for this kind of object.