Simple but less culturally sensitive solution: English is the linga franca so tell them to either romanize their company name or come up with a brand name using

Simple but less culturally sensitive solution: English is the linga franca so tell them to either romanize their company name or come up with a brand name using latin characters. 삼성전자 can be written as Samseong jeonja in latin characters and translated literally as Tristar Electronics but they do business as samsung.com I think it's cool that we figured out a way to encode CJK and other foreign script into ASCII-only domain names but if there's a serious concern about opening yourself to domain spoofing because someone picked the wrong encoding, just use ASCII characters.