DNSBL Spam Check

Checked IP: 2a03:4000:53:a0::1:1
rDNS/PTR record: mailbox.secure-box.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mailbox.secure-box.de
17.1671 ms
Inactive: 2
Inactive
Response in: 2.2582331 seconds
Amount of searched blacklists: 25 (2 inactive)