DNSBL Spam Check

Checked IP: 51.81.195.97
rDNS/PTR record: mta15.windifferent.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta15.windifferent.com
128.1960 ms
Inactive: 2
Inactive
Response in: 5.8493202 seconds
Amount of searched blacklists: 26 (2 inactive)