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Posted by Rik on 02/12/07 09:42
On Mon, 12 Feb 2007 10:29:26 +0100, deko <deko@nospam.com> wrote:
>>> As I understand it, the characters that make up an Internet domain
>>> name can consist of only alpha-numeric characters and a hyphen
>>> (http://tools.ietf.org/html/rfc3696)
>> ..."Any characters, or combination of bits (as octets), are permitted
>> in DNS names. However, there is a preferred form that is required by
>> most applications.".....
>
> I just tried registering various domain names with an underscore. The
> registrar's system rejected it. While this may not be the best
> verification, I have yet to see a valid Internet domain with an
> underscore or any other non-alphanumeric character (other than a hyphen).
There are efforts to fully internationalise DNS entries, so even non-roman
based character sets are allowed. See for instance
<http://www.ietf.org/rfc/rfc4185.txt>. We're not there yet by a long shot,
but there's no doubt it will happen.
--
Rik Wasmus
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