i don't have any problem with having random subdomain like vw8jbg4ijz5g
all im asking for is there is a way for me to like custom it length? like "vw8jbg4ijz5g" is 12 length
will i be able to generate a random subdomain with for example 9 of length so instead of 12 length "vw8jbg4ijz5g" it gonna be 9 length "vw8jbg4ij" or any other random generated subdomain zrok.io length
Is this even possible or is there is any way to do that?