Thanks for your response.
We're sorry. It's hard to provide that service.
Because it's handled by local post office, so it just depends on their circumstance.
However, if delivery is failed, or there is any problem, they will try to contact you.
Also, becaues you could trace your parcel with the link, although there is any problem, you can find your parcel.
So don't worry about that and please kindly wait for delivery.