Neither do .dk domains, but in order to determine use the courts will have to be involved. I haven’t heard about a lot of those cases, but I’d guess you can prove use against the person who wants to take the domain. If I have a domain called firstnamelastname.dk it’d be pretty easy to show that I got a mail address at contact@firstnamelastname.dk that’s in use.
I’m currently looking at onedev.io for personal and startup use but since I haven’t had an opportunity to test it out yet I can’t vouch for it. It looks cool though and seems to have a good rep.