

pages.dev is a Cloudflare domain. While they resolve to different IPv6 addresses, it still seems likely they point to the same hosted source - pages.dev being the Cloudflare host subdomain from the hoster and fmhy.net being a separate domain pointing to the same thing.
From their Terms:
When you open the Webbrowser Developer Tools, Network tab, you can see where it streams from.
When I check on a song, it streams it from a CDN of qobuz (qobuz.com).