Website won't display in the app

Guys, there are some sites that won’t display in the companion app for some reason if connected remotely. They display on desktop, but not in the app. Do you know what’s causing this and how to fix it? I’m using Cloudflare.

Example:

What makes the difference between those two? And mainly, how to make it work?

My config:
Latest HA - runs in Docker
Latest HA companion app (Android)

Error I’m getting:

What is the difference between the two? It is your setup.

Are those actually two different domains? The dash means they are different domains. As opposed to zigbee.mydomain.com and nodered.mydomain.com which would both be subdomains.

Sorry Jeff, my bad. It was just a typo. They’re on the same domain, exactly as you showed with dots.