Why is Roon blasting my DNS server with requests?

This has been discussed before, but there hasn’t been a satisfactory answer:

I’ve installed Pi-Hole on my Linux Roon Core server, so most of these requests are just local hits on Pi-Hole’s cache. In fact, in any 24 h period, about 80-85% of all DNS requests go to the cache, and near all of that is by the Roon Core. This traffic comes from metadata and image updates.

With these periodically massive numbers of DNS queries I wonder why Roon wouldn’t implement some sort of DNS caching on its core server, to reduce the impact on people’s networks and routers…

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