Enter host name or IP address: 2 result(s) for 56.21.4.in-addr.arpa
namequery typeresultfirst seenlast seen
56.21.4.in-addr.arpa. NSns1.covad.com.
2022-10-03 15:16:312024-01-23 04:51:32
56.21.4.in-addr.arpa. NSns2.covad.com.
2022-10-03 15:16:312024-01-23 04:51:32

WHOIS info for: 56.21.4.in-addr.arpa

No whois server is known for this kind of object.