100% scoring on inteet.nl and Mozilla Observatory for demo install

The current demo (demo.directadmin.com) isn't installed in a way that it shows it's full potential.

Failed : Not reachable via mode inteet address, or improvement possible (IPv6)
Failed : Domain name not signed (DNSSEC)
Failed : Connection not or insufficiently secured (HTTPS)

and

Content Security Policy: Content Security Policy (CSP) header not implemented
HTTP Strict Transport Security: HTTP Strict Transport Security (HSTS) header not implemented
Referrer Policy: Referrer-Policy header not implemented (optional)
X-Content-Type-Options: X-Content-Type-Options header not implemented
X-Frame-Options: X-Frame-Options (XFO) header not implemented
X-XSS-Protection: X-XSS-Protection header not implemented

More info: https://en.inteet.nl/site/demo.dir...in.com/156836/ and https://observatory.mozilla.org/anal...irectadmin.com

Wouldn't it be great if the demo install would just score 100% and 'A'?

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