List of all TLDs with restricted second level

[Florian Weimer]

* Joe Baptista:

> Example - the Chinese second level they list as 公司.cn
> <http://xn--55qx5d.cn>is actually represented as
> xn--55qx5d.cn in ascii for the purpose of resolution in the DNS.  So keep an
> eye out for IDN TLDs if you need to convert them.

Uhm, are you sure that they exclusively use IDNA?  After all, there is
this:

\229\133\172\229\143\184.cn IN A 159.226.7.162