DNSBL Spam Check

Checked IP: 52.101.42.4
rDNS/PTR record: mail-co1pr03cu00104.inbound.protection.outlook.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail-co1pr03cu00104.inbound.protection.outlook.com
4.6840 ms
Inactive: 2
Inactive
Response in: 8.8254061 seconds
Amount of searched blacklists: 26 (2 inactive)