DNSBL Spam Check

Checked IP: 109.237.140.18
rDNS/PTR record: alfa3051.alfahosting-server.de

Listed: 1 findings
Finding Response time
Blacklisted: usenix.org
Try to delist your IP from all.s5h.net
Follow the instrucion on this website.
27.0879 ms
Not Listed: 25 checks
Check Response time
Found rDNS/PTR: alfa3051.alfahosting-server.de
16.8860 ms
Inactive: 2
Inactive
Response in: 1.9539909 seconds
Amount of searched blacklists: 26 (2 inactive)