DNSBL Spam Check

Checked IP: 206.16.216.0
rDNS/PTR record: placeholder.cerf.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: placeholder.cerf.net
410.0840 ms
Inactive: 2
Inactive
Response in: 2.127491 seconds
Amount of searched blacklists: 26 (2 inactive)