DNSBL Spam Check

Checked IP: 72.21.217.142
rDNS/PTR record: autoresponder.amazon.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: autoresponder.amazon.com
153.6181 ms
Inactive: 2
Inactive
Response in: 1.951736 seconds
Amount of searched blacklists: 26 (2 inactive)