DNSBL Spam Check

Checked IP: 2a01:7c8:aab8:64f::1
rDNS/PTR record: server4.on24.nl

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: server4.on24.nl
90.9009 ms
Inactive: 2
Inactive
Response in: 1.7226241 seconds
Amount of searched blacklists: 26 (2 inactive)