For a flight from Denpasar to Moscow with transit through the Doha International Airport, a transit visa is not required..According to the rules, for a stay in the transit zone of Qatar for up to 72 hours (three days), the issuance of a transit visa does not need .In this case, if you plan to leave the airport (which is logical, if the docking time exceeds several hours), you need to issue the right to exit .This can be done both at the airport itself and in advance .For example, for transit over 24 hours, a residence permit can be issued directly through Qatar Airways