DNSBL Spam Check

Checked IP: 51.81.71.154
rDNS/PTR record: mta9.windifferent.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta9.windifferent.com
125.6900 ms
Inactive: 2
Inactive
Response in: 7.0697229 seconds
Amount of searched blacklists: 26 (2 inactive)