Example usage of Certbot's CloudFlare plugin:
$ sudo certbot certonly \
--non-interactive \
--agree-tos \
--dns-cloudflare \
--dns-cloudflare-propagation-seconds 60 \
--dns-cloudflare-credentials cloudflare.ini \
--domains "*.this.domain.com"
$ sudo certbot certonly \
--non-interactive \
----force-renewal \
--dns-cloudflare \
--dns-cloudflare-propagation-seconds 60 \
--dns-cloudflare-credentials cloudflare.ini \
--domains "*.this.domain.com"
$ sudo certbot certificates \
--non-interactive \
--dns-cloudflare-credentials cloudflare.ini
$ sudo certbot revoke \
--non-interactive \
--cert-name "this.domain.com" # note that the wildcard was excluded!!