There are different regulations for certain top level domain registrar that have specific requirements for where DNS can be hosted.
Our nameservers will work for the majority of top-level domains, however, we do not yet have plans to register additional domains for countries that have very specific requirements on how DNS is regulated.
According to the https://www.digitalocean.com/community/articles/how-to-set-up-a-host-name-with-digitalocean article I tried to set up the cname using the www -> @ example given. The record appears in the settings briefly and then after a minute perhaps it disappears. I've tried numerous times and it still does not work. I guess I can enter another A record for the www .