Enter host name or IP address: 1 result(s) for 13.66.138.120.in-addr.arpa
namequery typeresultfirst seenlast seen
13.66.138.120.in-addr.arpa. PTRptr.vng.vn.
2020-03-15 09:48:442019-01-04 06:04:33

WHOIS info for: 13.66.138.120.in-addr.arpa 

No whois server is known for this kind of object.