DNSBL Spam Check

Checked IP: 51.81.182.205
rDNS/PTR record: mta16.windifferent.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta16.windifferent.com
135.4861 ms
Inactive: 2
Inactive
Response in: 2.1344619 seconds
Amount of searched blacklists: 26 (2 inactive)