Domain Name System (DNS) is a collection of protocols, clients and servers, and data.
DNS servers, or name servers, maintain databases that map host names to
IP addresses and other information, alias names to canonical names, and
IP addresses to host names. They are usually authoritative only for a
small portion of the Internet name and address space but can refer
queries to other name servers in other parts of the Internet.
Nameservers translate human understandable names like
www.berkeley.edu to network understandable IP addresses like
Network Operations and Services
maintains the campus name servers and has authority for hostnames within
the Berkeley.EDU domain.
NOTICE: Beginning July 1, 2006, IST will be restricting access to the campus's caching DNS servers. The following resources contain additional information:
For more information on specific topics see: