DNSBL Spam Check

Checked IP: 52.101.42.10
rDNS/PTR record: mail-co1pr21cu00102.inbound.protection.outlook.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail-co1pr21cu00102.inbound.protection.outlook.com
51.3229 ms
Inactive: 2
Inactive
Response in: 8.8414171 seconds
Amount of searched blacklists: 26 (2 inactive)