DNSBL Spam Check

Checked IP: 52.137.91.139
rDNS/PTR record: mail.az.virginia.edu

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail.az.virginia.edu
24.1020 ms
Inactive: 2
Inactive
Response in: 4.7240272 seconds
Amount of searched blacklists: 25 (2 inactive)