How to resolve DNS?

Question

Domain Name System

good afternoon, even I can’t understand, for example, we have a CD with DHCP, DNS server, proxy server.
Remote desktop, how to organize instead of entering an IP address, dns server name, do I need to buy a domain somewhere on third-party sites?
I want to let's say instead of xxx.xxx.xxx.xxx of this kind, connect via RDP to a local server from home in this format test.test.ru .

Answer 1

Do I need to buy a domain somewhere on third-party sites?

Yes. At the same time, do not forget to properly organize your internal DNS.