Hi Daniel,
Are these true aliases? (As in: every record can be copied exactly as it is,
without changing anything). In that case, the ALIAS type should work for you
(https://doc.powerdns.com/authoritative/guides/alias.html).
If these are more like "templates", (eg: mydomain.com MX mail.mydomain
I have a number of domains that are simply duplicates of a base domain,
e.g. mydomain.com is the primary domain, and we also have mydomain.net
and mydomain.info.
I'd like to able to configure any/all records only in mydomain.com - and
have them "magically" propagated to the designated duplicat