olemus
Interneti hostinimede kood, Unicode'i esitus ASCII alamhulgaga
= a representation of Unicode with the limited ASCII character subset used for Internet hostnames

ülevaateid
https://en.wikipedia.org/wiki/Punycode

https://www.icann.org/en/system/files/files/karp-idn-wellington-28mar06-en.pdf

https://www.w3.org/International/articles/idn-and-iri/

standard
https://tools.ietf.org/html/rfc3492

turvalisus
https://www.dell.com/community/Virus-Spyware/PunyCode-phishing-attack/td-p/5110599