You might be interested in this — an example where the company logo is the domain name, and vice versa:
https://xn--bj8a.com (ꑮ.com)
(Safari on macOS and iOS displays the symbol in the address bar.)
https://xn--bj8a.com (ꑮ.com)
(Safari on macOS and iOS displays the symbol in the address bar.)
ꑮ is from Yi script, which is obviously whitelisted.