DNSBL Spam Check

Checked IP: 51.75.52.75
rDNS/PTR record: knock.tiagogameiro.pt

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: knock.tiagogameiro.pt
132.4520 ms
Inactive: 2
Inactive
Response in: 5.1428051 seconds
Amount of searched blacklists: 26 (2 inactive)