DNSBL Spam Check

Checked IP: 51.91.67.147
rDNS/PTR record: mail1.mxc.infra.improvmx.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail1.mxc.infra.improvmx.com
26.2301 ms
Inactive: 2
Inactive
Response in: 2.0185361 seconds
Amount of searched blacklists: 26 (2 inactive)