Please fill out the fields below so we can help you better.
My domain is: alessandroz.pro
I ran this command:
It produced this output: Unfortunately, your CSR /root/muststaple/alessandroz.csr needs to have a SubjectAltName for every domain
My operating system is (include version): Ubuntu 16.04
My web server is (include version): Nginx 1.11.8
My hosting provider, if applicable, is: OVH
I can login to a root shell on my machine (yes or no, or I don’t know): Yes, of course.
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): No.