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FWIW, the setup can be simpler and more portable without a specialized HTTP server and with a standardized protocol (RFC 2136): just certbot and its python3-cer
by defanor 5y ago
FWIW, the setup can be simpler and more portable without a specialized HTTP server and with a standardized protocol (RFC 2136): just certbot and its python3-certbot-dns-rfc2136.
Edit: certbot has plugins for a bunch of custom APIs too.