Types of DNS records

Having installed our DNS role on a server in the network, we can start using it to create DNS records, which resolve names to their corresponding IP addresses, or other pieces of information needed in order to route our traffic around the network. Assuming that you are working in a domain network, you may be pleasantly surprised to see that a number of records already exist inside DNS, even though you haven't created any of them. When you are running Active Directory and DNS together, the domain-join process that you take with your computers and servers self-registers a DNS record during that process, which means creating a DNS record for each new server or computer is not something that you need to remember to accomplish.

I have not yet created any DNS records in my new lab environment, not purposefully anyway, and yet when I open the DNS Manager console from inside the Tools menu of Server Manager, I can see a handful of records...