DNSBL Spam Check

Checked IP: 2a03:4000:23:3eb:a89f:8aff:fed8:810e
rDNS/PTR record: mailcow.1in9.net

Not Listed: 27 checks
Check Response time
Found rDNS/PTR: mailcow.1in9.net
4.9500 ms
Inactive: 2
Inactive
Response in: 1.5134721 seconds
Amount of searched blacklists: 27 (2 inactive)