Planning DNS Implementations
Planning a new DNS implementation or revamping your existing DNS implementation requires good planning. You need a solid understanding of how DNS works, and the areas you should know about include the following:
How DNS namespaces are assigned and used
How DNS name resolution works and can be modified
What resource records are available and how are they used
How DNS zones and zone transfers can be used
How internal and external servers can be used
Public and Private Namespaces
The DNS domain namespace is a hierarchical tree in which each node and leaf in the tree represents a named domain. Each level of the domain namespace tree is separated by a period (called a "dot"). As discussed in the section entitled "Understanding ...
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