DNSBL Spam Check

Checked IP: 52.101.157.11
rDNS/PTR record: mail-os0p286cu01203.inbound.protection.outlook.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: mail-os0p286cu01203.inbound.protection.outlook.com
40.4730 ms
Inactive: 2
Inactive
Response in: 5.233674 seconds
Amount of searched blacklists: 26 (2 inactive)