DNSBL Spam Check

Checked IP: 198.37.156.75
rDNS/PTR record: o1.notifications.flex-e-bill.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: o1.notifications.flex-e-bill.com
8.0221 ms
Inactive: 2
Inactive
Response in: 4.792727 seconds
Amount of searched blacklists: 25 (2 inactive)