DNSBL Spam Check

Checked IP: 81.80.163.110
rDNS/PTR record: no entry

Listed: 1 findings
Finding Response time
No rDNS/PTR found
Set PTR record for this IP
1,846.9901 ms
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
101.7389 ms
Not Listed: 25 checks
Check Response time
Inactive: 2
Inactive
Response in: 3.7758341 seconds
Amount of searched blacklists: 26 (2 inactive)