DNSBL Spam Check

Checked IP: 15.204.165.173
rDNS/PTR record: mta4.windifferent.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mta4.windifferent.com
96.8380 ms
Inactive: 2
Inactive
Response in: 2.6421132 seconds
Amount of searched blacklists: 26 (2 inactive)