DNSBL Spam Check

Checked IP: 20.52.203.252
rDNS/PTR record: mailprotection.rz1.io

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mailprotection.rz1.io
20.8509 ms
Inactive: 2
Inactive
Response in: 2.6553221 seconds
Amount of searched blacklists: 26 (2 inactive)