DNSBL Spam Check

Checked IP: 52.0.21.132
rDNS/PTR record: otransport-9.outbound.emailsrv.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: otransport-9.outbound.emailsrv.net
17.4038 ms
Inactive: 2
Inactive
Response in: 6.94801 seconds
Amount of searched blacklists: 26 (2 inactive)