DNSBL Spam Check

Checked IP: 52.101.68.18
rDNS/PTR record: mail-db4pr02cu00302.inbound.protection.outlook.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail-db4pr02cu00302.inbound.protection.outlook.com
23.0730 ms
Inactive: 2
Inactive
Response in: 9.550055 seconds
Amount of searched blacklists: 25 (2 inactive)