Need Help with Burning Xbox 360 Games?

wondering if some one could help me i live in the us and when i go to burn a game this is whats in img burn
labele:DVD_ROM
Imp ID: Microsoft cdimage udf

Lable:XG2DVD_NTSC
Imp ID: Sonic scenarist 3.1
i heard if its not the DVD_ROM one your not safe why are some games i download Lable:XG2DVD_NTSC
Imp ID: Sonic scenarist 3

Suggestion:

Not sure.