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by account42 1765 days ago
It can, but is quite a bit more complex since most people are not running their own DNS servers - and even if they are, updating records is nowhere near as standardized as dropping files under .well-known.
1 comments
DrBenCarson 1765 days ago
It depends--some ACME clients have a list of DNS providers they support and take API credentials to automate DNS verification

I use

1. Free Cloudflare DNS 2. Traefik's built-in ACME client

link