Just in case you have some use for the domain later, I’d use MYAD.bla.org You machines will be dc1.MYAD.bla.org Sent from my iPhone > On 8 Aug 2023, at 12:21, Hans Schulze via samba <samba at lists.samba.org> wrote: > > can i have an fqdn like "dc1.bla.org" or that also not recommended?