DNSBL Spam Check

Checked IP: 52.101.185.13
rDNS/PTR record: mail-zrzp278cu00205.inbound.protection.outlook.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: mail-zrzp278cu00205.inbound.protection.outlook.com
19.3319 ms
Inactive: 2
Inactive
Response in: 4.184325 seconds
Amount of searched blacklists: 25 (2 inactive)