A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 189.7.221.7
Country: Brazil (BR)
Reverse: bd07dd07.virtua.com.br
Autonomous System Number: AS28573
Lookup results for 189.7.221.7
No specific incidents regarding 189.7.221.7 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.