Domain Name System (DNS) and AD DS live in each other's pockets. Since Windows Server 2003, DNS has become the primary name resolution service. Before that, Windows was using NetBIOS, the Windows Internet Name Service (WINS) name service that it still continues to use. But DNS became the ruler.
WINS and DNS are both TCP/IP networks' name resolution services. There are legacy systems that still use WINS instead of DNS, for example, bar code scanners. That's the reason why WINS still continues with the latest operating systems.
DNS helps locate resources via the internet and intranet. DNS can run as an independent server role on the intranet, perimeter network, or public network. There are different vendors who provide DNS server software other than Microsoft, such as Linux/Unix BIND. There are mainly two categories of DNS infrastructure...
