DNSBL Spam Check

Checked IP: 2a12:66c0::31
rDNS/PTR record: mail1.fs-it.systems

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail1.fs-it.systems
1,216.0740 ms
Inactive: 2
Inactive
Response in: 3.3628769 seconds
Amount of searched blacklists: 25 (2 inactive)