How to set up AD DFS if DNS is on OpenWRT?

Question

Domain Name System

People, hep!
I want to set up DFS on a Domain Controller (Server 2019). But I get an error: Unable to query namespace. The RPC server is not available.
A little about the environment:
-DNS, DHCP, NAT - on OpenWRT (AD DNS is done through dnsmasq)
-only the AD role is on the domain controller.
-everything else regarding the domain and AD works fine (there are SRV records for the CD, group policies are updated, all PCs and servers see each other, new PCs are entered into the domain without problems).
According to Google, RPC problems are mainly due to DNS or the Network. Therefore, I assume that the problem is in the dnsmasq config. But nowhere can I find which records in DNS are responsible for the operation and discovery of the RPC server.
Help who than can. Ready to provide any output of any request. And also the dnsmasq config.
//I know that it was necessary to do DNS on the domain controller, but I would like to solve the problem on what is now.

Answer 1

Do you still eat cactus? If you really want to, put the CD "in the right way" into the virtual machine, go to the DNS management snap-in and look at all the service records that are created.