DNS Concepts

There are a handful of basic concepts on which the functional structure of DNS operates. These basic concepts range from name space definitions to demarcation of name-resolution responsibility boundaries. Understanding these concepts goes a long way in getting a solid working knowledge of DNS. The following DNS concepts are defined and explained in this section:

• Name Space
• DNS Domains
• DNS Zones
• Root
• Name Resolution
• DNS Servers
• DNS Resolvers
• Resource Records