DNSBL Spam Check

Checked IP: 51.75.71.249
rDNS/PTR record: mail.systemausfall.org

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail.systemausfall.org
49.5570 ms
Inactive: 2
Inactive
Response in: 5.0156 seconds
Amount of searched blacklists: 25 (2 inactive)