DNSBL Spam Check

Checked IP: 2001:4ba0:ffea:1ec::1
rDNS/PTR record: svr1.dwk-systems.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: svr1.dwk-systems.de
506.1181 ms
Inactive: 2
Inactive
Response in: 3.4259679 seconds
Amount of searched blacklists: 25 (2 inactive)