Enter host name or IP address: 1 result(s) for 251.66.138.120.in-addr.arpa
namequery typeresultfirst seenlast seen
251.66.138.120.in-addr.arpa. PTRptr.vng.vn.
2023-12-31 14:14:112023-12-31 14:14:11

WHOIS info for: 251.66.138.120.in-addr.arpa 

No whois server is known for this kind of object.