DNSBL Spam Check

Checked IP: 52.101.9.21
rDNS/PTR record: mail-bl2pr04cu00205.inbound.protection.outlook.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail-bl2pr04cu00205.inbound.protection.outlook.com
16.7530 ms
Inactive: 2
Inactive
Response in: 2.6279202 seconds
Amount of searched blacklists: 26 (2 inactive)