CERTBOT - Wildcard Domain Renewal by DNS
From Wiki.IT-Arts.net
Command
certbot certonly --server https://acme-v02.api.letsencrypt.org/directory --manual --preferred-challenges dns -d '*.example.com,example.com'
ReadMe
certbot certonly --server https://acme-v02.api.letsencrypt.org/directory --manual --preferred-challenges dns -d '*.example.com,example.com'