DNSBL Spam Check

Checked IP: 2a12:66c0::22
rDNS/PTR record: mx01.fs-it.systems

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mx01.fs-it.systems
403.0099 ms
Inactive: 2
Inactive
Response in: 2.4393041 seconds
Amount of searched blacklists: 25 (2 inactive)