DNSBL Spam Check

Checked IP: 2a04:7680:d8f:164::70
rDNS/PTR record: mx-s3.duf.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mx-s3.duf.de
52.4700 ms
Inactive: 2
Inactive
Response in: 1.9550269 seconds
Amount of searched blacklists: 26 (2 inactive)