Schraeder and Dunlop use the same larger rim hole diameter, and Presta and Dunlop use the same pump head.
Nowadays on my bikes here in Europe, I have 2 with Presta and one with Dunlop valves. My floor pump can handle everything, but my only frame pump takes some work to switch between them, so I find this is easier for me and Dunlop is the only local solution that fits the larger valve hole here.
In the USA, for a couple weeks a year, I ride a 1980s MTB with Schraeder valves. For those couple weeks I convert the frame pump, never end up using it, and the floor pump that I keep there also handles both systems easily.
Of the three systems, as a guy who doesn't ride super high pressures any longer, I think Dunlop is the most robust and sensible system... after having never had the experience until I was in my 30's!