DNSBL Spam Check

Checked IP: 52.51.148.33
rDNS/PTR record: m51.esputnik.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: m51.esputnik.com
27.7529 ms
Inactive: 2
Inactive
Response in: 1.9730558 seconds
Amount of searched blacklists: 26 (2 inactive)