DNSBL Spam Check

Checked IP: 217.144.139.51
rDNS/PTR record: mx.rzk.at

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mx.rzk.at
22.9459 ms
Inactive: 2
Inactive
Response in: 7.3969719 seconds
Amount of searched blacklists: 26 (2 inactive)