When contacted via www. takes you to another site. How to fix the problem?

Question

Apache HTTP Server

Now I will try to clearly explain the essence of the issue.
There is VPS , which is based on Apaches and Webmin. All domains go through CloudFlare.
7 domains added to CloudFlare. The server has 7 virtual hosts for these domains.
When accessing the site in the site.com format, it works correctly. If you access the format
www.site.com, it opens another site, one of seven. If you go to all sites with www,
the same one always opens.
I add three A records to CloudFlare:

Tell me how to solve this problem?

Answer 1

Summing up)
By default, webmin writes like this:
To work adequately, you need to edit:

ServerName www.domain.tld
ServerAlias domain.tld *.domain.tld