DNSBL Spam Check

Checked IP: 80.81.23.0
rDNS/PTR record: host-80-81-23-0.customer.m-online.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: host-80-81-23-0.customer.m-online.net
40.1719 ms
Inactive: 2
Inactive
Response in: 5.81142 seconds
Amount of searched blacklists: 25 (2 inactive)