My domain is:
I ran this command:
certbot certonly --standalone --http-01-port 999 -d calendarstory.com
It produced this output:
A valid certificate for the server / root (calenarstory.com). It did not work on the first-level domain www.
My web server is (include version):
Haproxy
The operating system my web server runs on is (include version):
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don't know):
yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
no
Note: According to the documentation at the URL below, an order of "example.com" or "*.example.com" is expected to generate a wildcard. I used the former.