Enter host name or IP address: 3 result(s) for 139.21.81.in-addr.arpa
namequery typeresultfirst seenlast seen
139.21.81.in-addr.arpa. NSnsauth2.signet.nl.
2014-07-21 04:15:212025-02-22 16:48:32
139.21.81.in-addr.arpa. NSnsauth1.signet.nl.
2014-07-21 04:15:212025-02-22 16:48:32
139.21.81.in-addr.arpa. NSnsauth3.signet.nl.
2014-07-21 04:15:212025-02-22 16:48:32

WHOIS info for: 139.21.81.in-addr.arpa

No whois server is known for this kind of object.