If the recipient is absent when the delivery man passes by, he can drop off your package at a local post office or relay point but also hand it over to a member of your family or neighbor (s) who can receive it and sign for it. There for, the tracking indicates « delivered ».
In this case, we invite you to contact the carrier or check with your family members or neighbors. You can also get more informations directly on the post office website with your tracking number.
If you can not find the package, you must directly file a claim at the post office to obtain a document from them which mentions the loss of your package.