DNSBL Spam Check

Checked IP: 2a00:17f1:109:a:0:0:0:1221
rDNS/PTR record: smtp-out.rdhn.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp-out.rdhn.de
452.2400 ms
Inactive: 2
Inactive
Response in: 3.3670139 seconds
Amount of searched blacklists: 25 (2 inactive)