https://letsencrypt.org/2016/10/21/introducing-idn-support.html
Introducing Internationalized Domain Name (IDN) Support - Let's Encrypt
Let’s Encrypt is pleased to introduce support for issuing certificates that contain Internationalized Domain Names (IDNs). This means that our users around the...
internationalized domain nameintroducingidnsupportlet
https://www.ireg.com/kb/answer/1480
Purchasing a Hosting Order for Internationalized Domain Name (IDN) | KnowledgeBase
internationalized domain nameorder forpurchasinghostingidn
https://chemicloud.com/glossary/term/idn/
What Is an IDN (Internationalized Domain Name)?
An Internationalized Domain Name (IDN) is a domain name that includes characters from a wider range of scripts and languages beyond the traditional Latin
what isidninternationalizeddomainname