DNSBL Spam Check

Checked IP: 52.101.137.0
rDNS/PTR record: mail-sg2pr03cu00500.inbound.protection.outlook.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail-sg2pr03cu00500.inbound.protection.outlook.com
54.9791 ms
Inactive: 2
Inactive
Response in: 4.9996719 seconds
Amount of searched blacklists: 26 (2 inactive)