Would recommend using it along with acme-dns to get auto renewals working. If you use --manual, you'll have to manually renew the certificates every three months. You could use the API provider by your DNS provider (if supported by certbot or acme.sh), but it's not as secure as using acme-dns.
Thank you so much, Daniel.
I've found the problem in my solution owing to your advice.
The manual renewal requires a new TXT record every three months:
Nice Go OSS 😆
I updated my post.
Thank you, again!
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