Can't Connect to Hostinger oracle database

Question

I can't connect to my hostinger oracle database. When I try I get "Oracle.ManagedDataAccess.Client.OracleException: 'Connection request timed out'" I'm using Oracle.ManagedDataAccess.Client and I set up a remote connection on hostinger. This is the code I'm using:

OracleConnection connection = new OracleConnection();  
OracleConnectionStringBuilder stringBuilder = new OracleConnectionStringBuilder();  
stringBuilder.Password = "NotFakePassword";  
stringBuilder.UserID="NotFakeUserName";  
stringBuilder.DataSource = "hostname:port/database";  
connection.ConnectionString = stringBuilder.ConnectionString;  
connection.Open();  
connection.Close();