Yes, but it will likely show up as punycode in the browser address bar, for example http://xn--938h.to
And sadly, you can't post emoji on hackernews comments :(
And sadly, you can't post emoji on hackernews comments :(
I was anyway hoping for that (I'm happy as it doesn't screw up the address bar with some kind of emoji that look like real chars).
Anyway, if somebody has examples of any (even slightly) (technically) hardcore domain names then please post => thaaank you :)