DNSBL Spam Check

Checked IP: 51.81.182.220
rDNS/PTR record: mta17.windifferent.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta17.windifferent.com
93.7619 ms
Inactive: 2
Inactive
Response in: 6.3977039 seconds
Amount of searched blacklists: 26 (2 inactive)