DNSBL Spam Check

Checked IP: 52.222.136.21
rDNS/PTR record: server-52-222-136-21.fra50.r.cloudfront.net

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: server-52-222-136-21.fra50.r.cloudfront.net
20.3261 ms
Inactive: 2
Inactive
Response in: 3.914938 seconds
Amount of searched blacklists: 25 (2 inactive)