DNSBL Spam Check

Checked IP: 2a01:4f8:221:3d81:19:0:0:100
rDNS/PTR record: mail1.sysda.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail1.sysda.net
9.8579 ms
Inactive: 2
Inactive
Response in: 7.919646 seconds
Amount of searched blacklists: 25 (2 inactive)