It's too late to develop anything like that for DSJ3. Anyway it's also unlikely people who have DSJ don't know about forums, because they have to visit the site in order to be able to buy the game. What they don't maybe know about is that in DSJ3 world records are only accepted officially when there is a working replay available (publishing a youtube video is not enough), so it is important to remind everyone of this. Otherwise anyone can just type a length in a program and add those to lists and call themselves world record holders

With no records in DSJ4, and nobody being able to contact him to get any replays from him, he must be considered as a non-confirmed player for now, until we finally get those replays.