A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 142.93.172.145
Country: United States of America (US)
Reverse: none
Autonomous System Number: AS14061
Lookup results for 142.93.172.145
No specific incidents regarding 142.93.172.145 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.