DNSBL Spam Check

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

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail-as8pr05cu00205.inbound.protection.outlook.com
23.0319 ms
Inactive: 2
Inactive
Response in: 9.481725 seconds
Amount of searched blacklists: 26 (2 inactive)