If you have your own domain, then move it to one of the listed DNS providers and use DNS challenge with ACME:
We are using using certbot + cloudflare whis way. There is no HTTP request, certbot makes a temporary DNS record using the Cloudflare API to satisfy the challenge so you can run the script anywhere. Then copy the cert to the device that needs it.
We are using using certbot + cloudflare whis way. There is no HTTP request, certbot makes a temporary DNS record using the Cloudflare API to satisfy the challenge so you can run the script anywhere. Then copy the cert to the device that needs it.
DNS providers supported bycertbot:
https://community.letsencrypt.org/t/dns-providers-who-easily...