Pi-Hole reports wrong name for local network devices (specifically Pi-Hole host itself defined in /etc/hosts)

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@jfb

Another random example:

372XXXXX-fXXX-4XXX-bXXX-1XXXXXXXXXXX.fritz.boxinstead of iPad.fritz.box.

nslookup [IP-of-device] pi.hole
Server:  pi.hole

Name:    372XXXXX-fXXX-4XXX-bXXX-1XXXXXXXXXXX.fritz.box
Address:  [IP-of-device] 

nslookup [IP-of-device] fritz.box
Server:  fritz.box

Name:    iPad.fritz.box
Address:  [IP-of-device]

So where the hell is Pi-Hole getting (inventing) all those creative hostnames since v6?

There are plenty of such examples. I precisely listed two so far.

UUID-like hostnames shown instead of device names