**What provider would you like to see added to NPM?** <!-- What is this provider called? -->https://www.rcodezero.at/en **Have you checked if a certbot plugin exists?** <!-- Currently NPM only supports DNS challenge providers for which a certbot plugin exists. You can visit pypi.org, and search for a package with the name `certbot-dns-<privider>`. --> Yes https://github.com/nic-at/certbot-dns-rcode0