DNSBL Spam Check

Checked IP: 172.233.244.121
rDNS/PTR record: 172-233-244-121.ip.linodeusercontent.com

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: 172-233-244-121.ip.linodeusercontent.com
16.6621 ms
Inactive: 2
Inactive
Response in: 4.4751461 seconds
Amount of searched blacklists: 25 (2 inactive)