Clearly the worst of all delivery services in Belgium. I waited for my parcel at home and towards the end of the announced timeslot I received a message that there was an unsuccessful delivery attempt. During that whole time I've been sitting right behind my entrance door, next to the letterbox. Clearly, there was no delivery attempt at all. And this is already the second time that this happens. Completely unreliable.
Update later on the same day: The package has been delivered. Only a little better, because the message about non-delivery had nevdertheless already been triggered, which meant that I was no longer at home to pick up the package.