Enter host name or IP address:
2 result(s) for
221.56.in-addr.arpa
name
query type
result
first seen
last seen
221.56.in-addr.arpa.
NS
dns082.usps.com.
2023-04-13 04:01:38
2025-08-24 03:45:17
221.56.in-addr.arpa.
NS
dns141.usps.com.
2023-04-13 04:01:38
2025-08-24 03:45:17
WHOIS info for: 221.56.in-addr.arpa
No whois server is known for this kind of object.