Enter host name or IP address: 2 result(s) for 31.137.64.208.in-addr.arpa
namequery typeresultfirst seenlast seen
31.137.64.208.in-addr.arpa. PTRmail.ptdc.org.
2015-07-16 00:46:572015-07-16 04:46:57
31.137.64.208.in-addr.arpa. PTRns6.webmasters.com.
2015-07-16 00:46:572015-07-16 04:46:57

WHOIS info for: 31.137.64.208.in-addr.arpa 

No whois server is known for this kind of object.