> >The defined syntax rules for declare certain ASCII domain names illegal
> >(such as *.example.org). Where is the check for illedgal names assumed to
> >be performed? For IDNA it probably makes sense to only apply this types
> >of checks (setting the UseSTD3ASCIIRules flag) when verifying domain name
> >registrations and not do such checks in the clients.
>
> This is an IDNA question, not a idn-uri question. As far as I remember,
> the idea was to have the checks done on the clients, too (with some
> leeway for unassigned characters to stay forward-compatible with
> new character assignements). The reason for this was to create
> pressure on registries to follow the rules.
Hi,