If you're writing Go, using the DNS challenge is really easy with CertMagic (disclosure: my library). And if you're running a web server, believe me when I say

If you're writing Go, using the DNS challenge is really easy with CertMagic (disclosure: my library). And if you're running a web server, believe me when I say that the best solution is one that is integrated directly: use Caddy. It will spare you some grief and frustration. Both Caddy and CertMagic support nearly 3 dozen DNS providers, and adding your own is relatively easy as well. CertMagic: https://github.com/mholt/certmagic https://github.com/mholt/certmagic Caddy: https://caddyserver.com https://caddyserver.com