Acquire a Let’s Encrypt Certificate Using DNS Validation
certbot -d example.com --manual --preferred-challenges dns certonly
References
https://serverfault.com/questions/750902/how-to-use-lets-encrypt-dns-01-challenge-validation
certbot -d example.com --manual --preferred-challenges dns certonly
References
https://serverfault.com/questions/750902/how-to-use-lets-encrypt-dns-01-challenge-validation
certbot certificates