DNSBL Spam Check

Checked IP: 52.151.103.70
rDNS/PTR record: no entry

Listed: 1 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
20.3781 ms
Blacklisted: Spamhaus ZEN
Try to delist your IP from zen.spamhaus.org
Follow the instrucion on this website.
35.2061 ms
Not Listed: 25 checks
Check Response time
Inactive: 2
Inactive
Response in: 5.1046681 seconds
Amount of searched blacklists: 26 (2 inactive)