DNS server best practices
We have a development server in our office that also serves as our DNS server (it's our only server). This is becoming problematic because, if I ever need to, say, restart the development server, there goes everyone's internet.
What is the best practice here? Is it common to have a completely separate machine that serves as the DNS server? I would imagine that's the case. I would imagine that, ideally, you would have a backup DNS server as well. Can someone with more