DNSBL Spam Check

Checked IP: 2a01:4f8:173:1e05:0:0:0:2
rDNS/PTR record: mx01.theoldguard.de

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mx01.theoldguard.de
17.2880 ms
Inactive: 2
Inactive
Response in: 7.336122 seconds
Amount of searched blacklists: 25 (2 inactive)