German "Umlaut-Domain" issue?

[AndreasK]

Hello all,

we have to register some new germand "umlaut-domains" with letter "ß".
See here: http://www.domainpulse.com/2010/10/27/german-registry-to-introduce-s-domain-names/

But our Plesk 8.6.0 doesnt transfer this domains correctly to our nameserver. Now we set this entry by hand!
But thats not a good reason. We can´t update our Plesks because there are 3 expand-servers running.

Have you any informations about the new domainletters for us?

Thanks a lot and best regards,
Andreas