Why not something like "Dename" or "GNU Name System"? Their is also a project going on within Tor that will be simular to "Gnu Name System" to resolve something

Why not something like "Dename" or "GNU Name System"? Their is also a project going on within Tor that will be simular to "Gnu Name System" to resolve something like facebook.tor to facebookcorewwwi.onion.