DNSBL Spam Check

Checked IP: 2a03:4000:6b:190:344f:30ff:fefe:c83c
rDNS/PTR record: smtp.onderka.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp.onderka.com
19.6881 ms
Inactive: 2
Inactive
Response in: 7.9145691 seconds
Amount of searched blacklists: 25 (2 inactive)