: The license key required to unlock the game content. Installation Guide for PS3 Hardware
For the PS3 specifically, PSNDL is considered a holy grail because the official Sony servers still host almost every game, demo, and update ever released for the system. PSNDL simply indexes those URLs. psndl.net ps3
Use PSN_Update_Hunter PC tool to query Sony’s database yourself. PSNDL basically does this but caches results. : The license key required to unlock the game content