I don't know how to make my server log into my DNS, and I don't particularly want to learn how. Mapping .well-known is one line of config.

Wildcards are the only temptation.

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account42 2 days ago | parent [-]

Just like you can point .well-known/acme-challenge/ to a writable directory you can also delegate the relevant DNS keys to a name server that you can more easily update.

	▲	Dylan16807 2 days ago \| parent [-]
		Now you want me to rent or install at least two name servers, and then configure them, and then teach my web server how to send them rules? That's so much more work than either of the options in my first comment. Aliasing a directory takes about one minute.