Random sounds while in DND

[Benjis]

I get some random notifications sound while in dnd but it isn't coming from any app
I checked the notification center and the latest notification was 1 hour ago
The sound is short like a ding ding

 

[msssm]

Let's continue in https://xiaomi.eu/community/threads/dnd-does-nothing-in-miui-14.71314/