September 2012
Intermediate to advanced
1680 pages
88h 3m
English
In the DNS hierarchy, objects are identified through the use of resource records (RRs). These records are used for basic lookups of users and resources within the specified domain and are unique for the domain in which they are located. Because DNS is not a flat namespace, however, multiple identical RRs can exist at different levels in a DNS hierarchy. The distributed nature of the DNS hierarchy allows such levels.
Several key resource records exist in most DNS implementations, especially in those associated with Windows Server 2012 AD DS. A general familiarity with these specific types of RRs is required to gain a better understanding of DNS.
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