DNSBL Spam Check

Checked IP: 51.195.22.5
rDNS/PTR record: courier2016.simplethings.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: courier2016.simplethings.de
24.8671 ms
Inactive: 2
Inactive
Response in: 4.884325 seconds
Amount of searched blacklists: 26 (2 inactive)