Are Japanese characters allowed in hostname in /etc/exports?

[Dan Shelton <dan.f.shelton@xxxxxxxxx>]

Hello!

Can I use Japanese characters in the hostname for an export line in
/etc/exports? Or first convert hostname into a punycode string, and
then put that string into /etc/exports?

Dan
-- 
Dan Shelton - Cluster Specialist Win/Lin/Bsd