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Punycode conversion for MX records

  • DNS
  • /
  • 2018-02-01

Internationalized Domain Name (IDN)

If your domain name containing international (non-ASCII) characters, you must convert the domain name into “#Punycode” and next insert it into the DNS server.

You can see how your name will visually convert from special characters to a name in ASCII characters (and vice versa) using this IDN Conversion Tool.

In this way, you can manage without any problem in your domain.
The following first level domains support IDN registration.

.ac,.ae,.ar,.at,.bd,.bi,.br,.ca,.co,.ch,.cl,.cn,

.de,.dk,.es,.eu,.fi,.gr,.hk,.hu,.id,.in,.io,.ir,.is,

.it,.jp,.kr,.li,.lt,.lv,.mu,.mn,.ne,.no,.nu,.or,.pe,

.pl,.pt,.se,.sh,.su,.tm,.tr,.tw,.vn,.ws

  • How to convert the domain name in “Punycode”

There are several online sites that provide this conversion, for instance :
https://www.punycoder.com/
Next an example:

Once converted you have to use the Punycode translation in every part of the email configuration where required: MX, TXT records and so on.

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