[dns-operations] IDNs

Phil Pennock dnsop+phil at spodhuis.org
Sat Sep 17 01:44:16 UTC 2011

On 2011-09-16 at 16:33 -0400, Edward Lewis wrote:
> The question - what's the best way to see all of the TLD names in 
> native script?  I mean, if I - echo "$idn" - and idn has a hex 
> sequence of UTF-8, what seems to get the most characters "to write 
> right"?

Theoretically, any piece of software handling Unicode for display is
going to look through a preference-ordered list of fonts for unhandled
code points, until it finds one which can render a glyph (simplified,
combining chars add to that a bit).

On this Mac (10.6.x), Firefox does not render that IANA page intact, but
Chrome does.

Alas, I don't know how to ask "which font did you end up using for this

I just checked and the characters also paste into Terminal fine and I
can dig the NS for it, which is my end-to-end test for copy/paste
working; I'm using Consolas 13pt on this machine, which is one of the
standard supplied fonts.

In previous testing, the best font I've found for comprehensiveness is
the $5 shareware Code2000; see:
for more.  Alas, the domain registration expired and has been taken by a
squatter; in previous attempts, I've been unable to reach the author.
You may be able to find a cached copy around somewhere.


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