What type of wood is this - experiences

Great! Thank you all for the helpful answers! The board is usually used by us for dry food. Otherwise, we use a plastic board. Thanks again Roland

? You can also buy them made of mahogany in the store.

Real mahogany is on the red list and requires an export permit and is far too expensive for simple boards. Presumably, any tropical wood is sold as mahogany.

Probably every tropical wood is sold as mahogany

Real mahogany comes from America and requires an export permit. Besides that, there are enough subgenera ("fake" mahogany) from Africa.
But it doesn't matter.

and is way too expensive for simple boards

Such a cutting board then actually often costs around 100€. And furniture are also "just" boards.

Such a cutting board can indeed easily cost 100€. And furniture is also "just" boards.

Yes. And sometimes we also go over 100€. That’s why we are considering making one ourselves and to measure!