DNSBL Spam Check

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

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtp-backup2-2.portunity.de
1.0080 ms
Inactive: 2
Inactive
Response in: 2.8161049 seconds
Amount of searched blacklists: 26 (2 inactive)