You can run many sites on the same IP and port. TLS and HTTP both indicate the host name. (And for most installs, non port 80/443 might be nonstarter due to fir

You can run many sites on the same IP and port. TLS and HTTP both indicate the host name. (And for most installs, non port 80/443 might be nonstarter due to firewalls.) Apex CNAMEs can be worked around in the server software - just dynamically resolve it into an IP. Cloudflare does this, for instance.