A listing in DroneBL is NOT always related to spam. But in most cases because of an open proxy !!!
Details about 120.88.50.136
Country: United States of America (US)
Reverse: none
Autonomous System Number: AS2914
Lookup results for 120.88.50.136
No specific incidents regarding 120.88.50.136 were found in DroneBL's incident tracking system. This means that your IP is not listed in DroneBL.