What is IDN?
Internationalized Domain Names (IDNs) are domain names represented by local language characters. The domain name with local language characters second level is followed “.com” or “.net”. An example would IDN: cañones.com (punycode: xn--caones-xwa.com).
How “IDN Conversion Tool” works?
When working with a domain name that contains international characters (not ASCII), you need to convert the domain name into “punycode” before entering it in the DNS server. The IDN conversion tool lets you visually convert special characters to a name in ASCII characters, making compatible with the Internet Standards.
To access the “IDN Conversion Tool” go to menu “Account -> IDN Conversion Too;”. Enter the domain that you need to change, and click on convert to get the new domain: