DNSBL Spam Check

Checked IP: 2a01:4f8:1c1e:5951:0:0:0:1
rDNS/PTR record: smtp-nb01.ok.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp-nb01.ok.de
19.1479 ms
Inactive: 2
Inactive
Response in: 2.216203 seconds
Amount of searched blacklists: 25 (2 inactive)