Millions of people make changes to the DNS every day, through new domain names, changes to IP addresses and other requests. The unique structure of the DNS, though, keeps everything straight. Duplicate domain names cannot exist within domains, but they can exist across them – for instance, example.com and example.gov could be two separate locations online. Otherwise, the highly organized and efficient nature of the DNS ensures that you never have to worry about arriving at two different places each time you input a domain name. When you enter a domain name, its IP address will be resolved and you’ll always arrive at the same place. Without the DNS, the Internet wouldn’t be useful, practical or enjoyable.

Recent Entries

• The DNS: A Huge Distributed Database
• Top Level Domains, Root Servers and Resolvers
• Translating Domain Names into IP Addresses
• IP Addresses and Domain Names

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