DNSBL Spam Check

Checked IP: 5.56.33.183
rDNS/PTR record: server16-customer.iworx-host.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: server16-customer.iworx-host.com
13.6790 ms
Inactive: 2
Inactive
Response in: 3.3550491 seconds
Amount of searched blacklists: 26 (2 inactive)