See What are the major drawbacks of having a domain that contains characters with accents?:
The DNS protocol only supports ASCII. Domains with accented characters in them are encoded to ASCII using Punycode. That means that your domain
éxàmplê.com is actually
It is a virtual certainty that there is lots of software out there that doesn’t support internationalized domain names (IDN). It’s up to you to test in your environment and decide whether the advantages of a rich character set in your domain name is worth the trouble.
And How to link an accented domain name?
Domains cannot contain non-ASCII letters. Internationalised domain names are actually Punycode encoded. In your case, the actual domain name is
Not a bug then. Just use the actual ASCII domain name instead of punycode domain name.