1.111B class .xyz domain costs some 1 EUR per year. You’re limited to <6-9 digits>.xyz format (e.g. 012345.xyz) but if that doesn’t matter for your use case then this is the cheapest solution. You can get these via Porkbun, etc.

Wow, okay. Thank you for this.

I’m still looking for a keyboard with predictions which doesn’t require me to change languages manually. I’m currently on Gboard as there is no decent alternative.