DNSBL Spam Check

Checked IP: 2a03:4000:f:5b9:0:0:0:25
rDNS/PTR record: smtp-backup2-2.portunity.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp-backup2-2.portunity.de
18.1410 ms
Inactive: 2
Inactive
Response in: 2.4705369 seconds
Amount of searched blacklists: 25 (2 inactive)