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You can even have emojis in your domain using the same technique https://en.m.wikipedia.org/wiki/Punycode

I was going to ask about that domain because when I looked into it ICANN doesn't allow unicode/emoji gTLDs? Which seems to discriminate against non latin languages?

http://domainincite.com/18035-why-you-cant-register-emojis-i...

ICANN does allow non-Latin TLDs. The very link under discussion in this comments section uses one.

Emojis are something else though.

Yeah that's punycode. The UTF8 version of it doesn't work in all contexts. https://en.wikipedia.org/wiki/Punycode

this is common, just how the unicode vs text writing everywhere as a fallback since unicode not always available as much as it is now