DNSBL Spam Check

Checked IP: 51.81.137.195
rDNS/PTR record: mta22.windifferent.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta22.windifferent.com
94.8179 ms
Inactive: 2
Inactive
Response in: 5.6720769 seconds
Amount of searched blacklists: 26 (2 inactive)