WordPress's multisite function can be operated on our server.
Multi-site configuration with multiple domains can be operated on our server.
STEP 1: WordPress Settings.
Please set up WordPress with a basic domain and a multi-site configuration of multiple domains.
STEP 2: Addon domain registration.
Register additional domains from cPanel Addon Domains
At that time, be sure to set the document root to be the same as the base domain.
By adding an addon domain with the same document root as the base domain, It is possible to operate with a multi-site configuration of WordPress with multiple domains.