DNSBL Spam Check

Checked IP: 2001:67c:274c:42:0:0:0:25
rDNS/PTR record: mail.dn-systems.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail.dn-systems.net
712.1570 ms
Inactive: 2
Inactive
Response in: 6.23735 seconds
Amount of searched blacklists: 26 (2 inactive)