Domain Name System (DNS) is the name resolution protocol for TCP/IP networks, such as the Internet. A DNS server hosts the information that enables client computers to resolve memorable, alphanumeric DNS names to the IP addresses that computers use to communicate with each other.

• Before you begin using this computer as a DNS server, see DNS Checklists.
  
  
• To find features that have been moved in the Microsoft® Windows Server 2003 family, see New ways to do familiar DNS tasks.
  
  
• For tips about using DNS, see DNS best practices.
  
  
• For help with specific tasks, see DNS How To....
  
  
• For general background information, see DNS Concepts.
  
  
• For problem-solving instructions, see Troubleshooting DNS.