DNSBL Spam Check

Checked IP: 81.21.176.90
rDNS/PTR record: zensmtp11p.magister.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: zensmtp11p.magister.net
44.1871 ms
Inactive: 2
Inactive
Response in: 4.4039011 seconds
Amount of searched blacklists: 26 (2 inactive)