DNSBL Spam Check

Checked IP: 52.101.42.16
rDNS/PTR record: mail-co1pr05cu00300.inbound.protection.outlook.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail-co1pr05cu00300.inbound.protection.outlook.com
16.8839 ms
Inactive: 2
Inactive
Response in: 6.2461588 seconds
Amount of searched blacklists: 26 (2 inactive)