DNSBL Spam Check

Checked IP: 52.101.68.5
rDNS/PTR record: mail-du2pr03cu00105.inbound.protection.outlook.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail-du2pr03cu00105.inbound.protection.outlook.com
16.3741 ms
Inactive: 2
Inactive
Response in: 15.3550699 seconds
Amount of searched blacklists: 25 (2 inactive)