DNSBL Spam Check

Checked IP: 52.237.28.198
rDNS/PTR record: no entry

Listed: 1 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
26.9761 ms
Blacklisted: Spamhaus ZEN
Try to delist your IP from zen.spamhaus.org
Follow the instrucion on this website.
46.7920 ms
Not Listed: 25 checks
Check Response time
Inactive: 2
Inactive
Response in: 4.5289879 seconds
Amount of searched blacklists: 26 (2 inactive)