How can I implement such a task without a dns server. I write \\address1 to the folder address and it throws me into SP? \\address1 - change as I want?

Question

Computer networks

There are two networks in operation. Network A is old. B - new. The computer on network A has the name address1. B - address2.
From computer B I open a shared access to computer A \\address1 , it does not open, but by ip \\192.168.1.1 it opens.
And there is no access to the new network through the old one. That is, neither by ip nor by the name of the PC does not open. They say they did it for safety. We have a lot of network storages, and many people use them, and many people, including me, cannot remember all the IP addresses of these storages, but only the names are remembered. In the Internet, I found that this can be solved through the dns server. And in the dns server you add address1.local - 192.168.1.1. And this address will open. But the bosses are categorically against it. And there is a way by hosts, but there are about 300 computers in operation that are not connected to AD. I want to solve this problem myself, I have 1 PC that can act as a server for such a task. But how can this be implemented, what ways are there, are there alternative solutions?

Answer 1

If I understand correctly, there are two problems:
1) addressing; here either raise the local DNS, or handle the hosts file on each machine separately. I don’t understand why DNS harms security (only if records are intercepted and spoofed, but then there are big problems in the network, and it’s not just about DNS);
2) routing between subnets: you need a node that will act as a router between subnets, and adding static routes on end devices.