Domain Name Hierarchy
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Domain name hierarchy. The domain maintains the domain name hierarchy and provides transbetween it and the address spaces. The root name server is the name server for the root zone. In the domain name structure computer ip address mappings equivalent to files are placed in domains and these domains can contain other domains sub domains.
It associates various information with domain names assigned to each of the participating entities. These servers have the list of all top level domains tlds. In the file system naming is done from the root down but in the domain name system it is done from the bottom to the root.
The dns namespace tree has a unique root and large number of sub trees. Dns namespace hierarchy the domain name system dns has a hierarchical inverted tree structure. The domain name space consists of a tree of domain names.
Dns hierarchy and the internet. The root of the structure is a dot. The figure consists of the root directory which is represented as a dot and two top level domain hierarchies one organizational and one geographical.
A fully qualified domain name is supposed to have little ambiguity. In 1985 the internet assigned numbers authority iana released six top level domain names. The dns hierarchy is comprised of the following elements.
2 top level domains. Internet name servers an protocol implement the domain name system. 3 second level domains.