DNSBL Spam Check

Checked IP: 52.101.73.21
rDNS/PTR record: mail-as8pr05cu00205.inbound.protection.outlook.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail-as8pr05cu00205.inbound.protection.outlook.com
26.7379 ms
Inactive: 2
Inactive
Response in: 4.8043458 seconds
Amount of searched blacklists: 25 (2 inactive)