DNSBL Spam Check

Checked IP: 104.47.0.0
rDNS/PTR record: no entry

Listed: 1 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
16.8080 ms
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
20.5748 ms
Not Listed: 25 checks
Check Response time
Inactive: 2
Inactive
Response in: 4.745723 seconds
Amount of searched blacklists: 26 (2 inactive)