DNSBL Spam Check

Checked IP: 51.91.72.73
rDNS/PTR record: mail1.mxd.infra.improvmx.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail1.mxd.infra.improvmx.com
207.2659 ms
Inactive: 2
Inactive
Response in: 2.0727079 seconds
Amount of searched blacklists: 26 (2 inactive)