40 Top Level Dns Domain Name Hierarchy Update

A domain is a subtree of the dns name space.

Top level dns domain name hierarchy. 3 second level domains. 2 top level domains. The dns hierarchy is comprised of the following elements.

A domain can further divided in to sub domains. Dns uses domain names to form the hierarchy. After the root the next layer in the dns hierarchy is called as tlds top level domains.

The root is represented by an empty string. Fqdn is otherwise called an absolute domain name. A top level domain tld is one of the domains at the highest level in the hierarchical domain name system of the internet.

The dns hierarchy is comprised of the following five elements. 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.

The domain hierarchy that is shown in the following figure is a leaf of the huge dns namespace supported on the global internet. The dns root zone is the uppermost level in the dns hierarchy tree. Dns hierarchy and the internet.

The dns uses a hierarchical system database for resolving name address.