Enter host name or IP address: 2 result(s) for 231.28.186.in-addr.arpa
namequery typeresultfirst seenlast seen
231.28.186.in-addr.arpa. NSns1-auth.etb.net.co.
2014-07-22 09:15:082015-03-15 19:05:16
231.28.186.in-addr.arpa. NSns2-auth.etb.net.co.
2014-07-22 09:15:082015-03-15 19:05:16

WHOIS info for: 231.28.186.in-addr.arpa

No whois server is known for this kind of object.