after looking around online, i've found the email connected to whoever currently owns the rblx.trade domain. it's a withheldforprivacy email, but those are automatically forwarded to an actual email controlled by the owner.
the email i've sent goes as follows;
personally, i don't know what to think. i believe it's worth a try and would be worth it if we get the domain but a response is unlikely, it's bloxmoon i'm talking to.