...
This still doesn’t let you simply address hosts by their name as configured at the controller, but we’re aware of this. We plan on adding a feature to allow the controller itself to be a DNS server too if one desires in a future ZeroTier version (likely post-2.0).
Before ZeroTier 2.0In the mean time, have a look at https://github.com/zerotier/zeronsd, a DNS server for your http://my.zerotier.com networks.
...