Wrong attribution of network access attempts to apps

Hi,
while using NetGuard (2.334) on LineageOS 22.2 (but already on previous versions) on my Fairphone 3 I notice that NetGuard attributes network access attempts incorrectly to the corresponding apps. That means for example NetGuard is telling me that the DB Navigator is trying to access spotifycdn.com or Splitwise is trying to access link.nebenan.de which in many cases quite obviously isn’t the app which really tried to access that internet address.

I already contacted the developer of the app but they said, that it’s the Android operating system which does this attribution of access attempt to app so its not a bug of NetGuard. However now I’m not sure, where to issue this bug report now exactly. Does someone of you know the right place?