DNSBL Spam Check

Checked IP: 140.211.166.137
rDNS/PTR record: smtp4.osuosl.org

Not Listed: 25 checks
Check Response time
Found rDNS/PTR: smtp4.osuosl.org
0.5469 ms
Inactive: 2
Inactive
Response in: 5.0138638 seconds
Amount of searched blacklists: 25 (2 inactive)