Domains with Umlaut (Diacritic characters)

Hi everybody,

is it possible to change the domain name in the cookie description. It is actual displayed in punny code (https://www.xn--getrnkeq-3za.de) instead of the real name (https://www.getr?nkeq.de).
Thanks for an answer.
Have an nice day.
Best regards Christoph

P.S.: I am using WordPress 5.4.2, WooCommerce 4.2.0 and Compilanz plugin 4.6.3 free version

The page I need help with: [log in to see the link]