DNSBL Spam Check

Checked IP: 52.1.23.3
rDNS/PTR record: otransport-1.outbound.emailsrv.net

Not Listed: 26 checks
Check Response time
Found rDNS/PTR: otransport-1.outbound.emailsrv.net
23.4981 ms
Inactive: 2
Inactive
Response in: 8.0322931 seconds
Amount of searched blacklists: 26 (2 inactive)