DNSBL Spam Check

Checked IP: 52.16.216.28
rDNS/PTR record: s9.mailmasterplus.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: s9.mailmasterplus.net
17.9279 ms
Inactive: 2
Inactive
Response in: 2.765615 seconds
Amount of searched blacklists: 26 (2 inactive)