This is going to be a quick and dirty article, but I feel I need a backup-place to keep my Pi-hole white and block listings.
These are my current blocklists.
I use the whitelists from https://github.com/anudeepND/whitelist.
4. Custom whitelists
In addition to Anudeep's whitelist I also have some custom whitelists that aren't included in the above, that I need in order to keep me sane...
4.2. Spotify with Denon HEOS wifi speakers
Connecting to Spotify Premium from my Android mobile phone works, if used with these whitelistings:
To be able to connect/cast to Denon Heos wifi-speakers from within Spotify, this needed to be added as well.