DNSBL Spam Check

Checked IP: 2a03:4000:53:a0:0:0:1:1
rDNS/PTR record: mailbox.secure-box.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mailbox.secure-box.de
10.4959 ms
Inactive: 2
Inactive
Response in: 4.2502849 seconds
Amount of searched blacklists: 25 (2 inactive)