Enter host name or IP address: 2 result(s) for 21.100.159.in-addr.arpa
namequery typeresultfirst seenlast seen
21.100.159.in-addr.arpa. NSns2.first-colo.net.
2021-10-01 02:57:562025-01-20 00:22:58
21.100.159.in-addr.arpa. NSns1.first-colo.net.
2021-10-01 02:57:562025-01-20 00:22:58

WHOIS info for: 21.100.159.in-addr.arpa

No whois server is known for this kind of object.