What about DNS buying/hosting? Seems it's not mentioned (neither is emailing besides transactional/marketing). I'm currently on DNSimple but been trying to replace it with some closer to home (Europe) alternative that still offers the same level of possible automation as DNSimple does, anyone know of any that fits the bill?
OVH is one of the cheapest and works satisfactorily for me. I went back to OVH when Gandi stopped being a recommendable company.
OVH's API allows full control of an account, but I don't know how that compares to DNSimple.
Bunny.net is based in Europe
ClouDNS is probably the most popular one.
It's not European, rather a New Zealand company but I find https://zonomi.com/ pretty good. There's a Lego resolver that works fine https://github.com/go-acme/lego - although my only complaint is the DNS propagation takes a while though I suspect that's a my config problem (dig will show the txt record long before Lego sees it)