DNSBL Spam Check

Checked IP: 89.1.81.138
rDNS/PTR record: fw1.rheinfaktor.de

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: fw1.rheinfaktor.de
21.0488 ms
Inactive: 2
Inactive
Response in: 2.138973 seconds
Amount of searched blacklists: 26 (2 inactive)