DNSBL Spam Check

Checked IP: 217.144.128.54
rDNS/PTR record: smtp-backup1.portunity.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtp-backup1.portunity.de
23.4869 ms
Inactive: 2
Inactive
Response in: 8.1405919 seconds
Amount of searched blacklists: 26 (2 inactive)