DNSBL Spam Check

Checked IP: 185.143.171.133
rDNS/PTR record: mail1.infra.steinfurt.schule

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail1.infra.steinfurt.schule
175.6279 ms
Inactive: 2
Inactive
Response in: 8.8454649 seconds
Amount of searched blacklists: 26 (2 inactive)