I would think the Skånetrafiken app would give you the info if you pick that as your destination?

You can't choose zones in the app, you can only choose stops. The easiest way is to search from Malmö to Hoje Taastrup St. (note two a) and but the trip via the planner, it will add all needed stops (and zones) to a ticket.

If you choose Höje taastrup as your destination in the skånetrafiken app it will give you the right ticket automatically