DNSBL Spam Check

Checked IP: 81.17.56.1
rDNS/PTR record: uk1smtp01.topdesk.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: uk1smtp01.topdesk.net
34.6901 ms
Inactive: 2
Inactive
Response in: 25.330796 seconds
Amount of searched blacklists: 26 (2 inactive)