D Augmented Major 7th, 1st inversion (F# in the bass)
Also written as Daug(maj7)/F#.
Notes, from the bass up
F# (bass)A#C#D
The same notes as D Augmented Major 7th (F#, A#, C# and D), rearranged so F# is the lowest note. Use it to move between chords with smaller jumps across the keyboard.