DNSBL Spam Check

Checked IP: 52.27.124.21
rDNS/PTR record: outbound9-encrypted-mta.paubox.com

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: outbound9-encrypted-mta.paubox.com
9.9390 ms
Inactive: 2
Inactive
Response in: 5.030297 seconds
Amount of searched blacklists: 26 (2 inactive)