DNSBL Spam Check

Checked IP: 74.121.52.1
rDNS/PTR record: mail4024.mkt4621.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail4024.mkt4621.com
14.5431 ms
Inactive: 2
Inactive
Response in: 1.948185 seconds
Amount of searched blacklists: 26 (2 inactive)