A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 186.235.124.81
Country: Brazil (BR)
Reverse: 186-235-124-81.k1fibra.net.br
Autonomous System Number: AS264075
Lookup results for 186.235.124.81
No specific incidents regarding 186.235.124.81 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.