DNSBL Spam Check

Checked IP: 5.39.185.37
rDNS/PTR record: cluster03b.mx-relay.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: cluster03b.mx-relay.com
189.8379 ms
Inactive: 2
Inactive
Response in: 5.563693 seconds
Amount of searched blacklists: 26 (2 inactive)