DNSBL Spam Check

Checked IP: 51.81.52.67
rDNS/PTR record: mta6.windifferent.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta6.windifferent.com
130.6961 ms
Inactive: 2
Inactive
Response in: 8.0406659 seconds
Amount of searched blacklists: 26 (2 inactive)