DNSBL Spam Check

Checked IP: 37.99.139.230
rDNS/PTR record: mail.der3.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail.der3.com
556.3641 ms
Inactive: 2
Inactive
Response in: 5.516633 seconds
Amount of searched blacklists: 26 (2 inactive)