nBitstring
labels can be used to represent binary data in DNS names
nAllows
for delegation at arbitrary bit boundaries instead on 4 bit boundaries
nbitlabels
format is \[[box]<bitstring>]
nThese
represent the same bit sequence
u\[x1234ABCD]
u\[b00010010001101001010101111001101]
u\[o02215125715]