Internationalized Domain Names in Applications (IDNA)

References

• RFC 5890 - Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework (Obsoletes RFC 3490)
• RFC 5891 - Internationalized Domain Names in Applications (IDNA): Protocol (Obsoletes RFC 3490)
• RFC 5895 - Mapping Characters for Internationalized Domain Names in Applications (IDNA) 2008
• PyPI - idna