DNSBL Spam Check

Checked IP: 216.55.104.161
rDNS/PTR record: smtp-out4.stableserver.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: smtp-out4.stableserver.net
100.1849 ms
Inactive: 2
Inactive
Response in: 5.8248348 seconds
Amount of searched blacklists: 26 (2 inactive)