Authoritative DNS hardware support matrix/roadmap

I’ve been looking to implement the authoritative DNS server of our Peplinks and was wondering if there are any plans to expand that feature to the other routers or it’s going to only be available on a few models? The only information that I could find was from a forum post in 2016:

Is this information still accurate? Is there a better place to find any information in regards to authoritative DNS functionality/support matrix? Will it be added to additional models and if so is there a roadmap for it?

Thank you.