Re: Underscores in host names

On Wed, May 18, 2005 at 11:05:56AM +0100, Tony Finch <dot@dotat.at> wrote a message of 12 lines which said:

However case insensitivity puts a big spanner in the works.

And the fact that you can use any 8-bits character in a domain name but nothing says what the encoding is. UTF-8 ? Latin-1 ? Big5 ? (Some unscrupulous vendors promoted "international domain names" using that trick.) Hence the RFC 3490.