DNSBL Spam Check

Checked IP: 4.189.228.8
rDNS/PTR record: rfc-pro-mail.japaneast.cloudapp.azure.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: rfc-pro-mail.japaneast.cloudapp.azure.com
115.5348 ms
Inactive: 2
Inactive
Response in: 5.112926 seconds
Amount of searched blacklists: 25 (2 inactive)