What notes are in the tuning of a guitar when you drop it to D tuning?

Question

Because I'm trying to play redneck by lamb of god.
Thankyou.

Answer 1

Low to High D A D G B E',

Answer 2

Drop d tuning is dropping the E string on the guitar down 1 step to d. Double drop d is lowering both e's to d's

Answer 3

The open tuning when you drop it to D tuning is going to be, from the big top string- to the little string, is D,G,C,F,A,D