The current standard for IDNs is IDNA2008, which does not allow emojis. There are some ccTLDs that don't abide by the IDNA standard, and I think you'll find dif

The current standard for IDNs is IDNA2008, which does not allow emojis. There are some ccTLDs that don't abide by the IDNA standard, and I think you'll find different browsers will show the emoji and others won't. Permitted code points for gTLDs are listed here. http://www.iana.org/domains/idn-tables http://www.iana.org/domains/idn-tables So strictly speaking xn--p38h.ws is not an IDN, and Google is doing the right thing by not allowing it. This doesn't make your job any easier, of course. If you really want to explore this rabbit hole some good reading. RFC 4290 RFC 5891 RFC 6912 RFC 7940