WordPress multi site with domain mapping

[subair]

I need to use a mapped domain for my WordPress multisite, configured a new domain as a domain alias under the main domain, then changed the site URL from WordPress network admin, it always showing Plesk default page on accessing the URL

I followed this WordPress tutorial for implementing domain mapping.

WordPress Multisite Domain Mapping – Advanced Administration Handbook | Developer.WordPress.org

WordPress multisite subsites may be mapped to a non-network top-level domain. This means a site created as subsite1.networkdomain.com, can…

wordpress.org

Thanks in advance,
Subair TC