What isdomain namespace

Domain namespace refers to a system of naming and organizing computers and resources on the internet through the use of domain names and the Domain Name System (DNS). The DNS is essentially a hierarchical system of domain names and IP addresses that enables computers to locate resources online.

The DNS is divided into domains, with each domain representing a logical organization of computers on a larger network. This enables domain names to be organized hierarchically, with top-level domains such as .com, .org, and .net identifying the type of organization to which the network belongs, and subdomains identifying the specific network in which a host is located.

Within this system, DNS name servers provide information about specific zones, and may be considered authoritative for those zones. This means they have original data for the resources in the zone, which was configured by a domain administrator or dynamic DNS methods that support automatic record updating. In this way, the DNS enables computers to locate particular resources on the internet by traversing the DNS tree in ascending order.

In a Fully Qualified Domain Name (FQDN), the hostname is specified by the leftmost label, and the local domain to which it belongs is defined by the next label to the right. This process continues, with each label becoming less specific, until the root of the DNS tree is reached.

Frequently Asked Questions (FAQ)

What is the purpose of a domain namespace?

The purpose of a domain namespace is to provide a system of naming and organizing computers and resources on the internet, enabling computers to locate specific resources by traversing the DNS tree.

What is a DNS name server?

A DNS name server is a computer server that provides the DNS service by responding to queries from other computers, and providing information about particular zones within the DNS hierarchy.

What is an FQDN?

A Fully Qualified Domain Name (FQDN) is a domain name that specifies an exact location within the DNS hierarchy, by specifying the hostname and local domain for a computer or resource.

Conclusion

Domain namespace and the DNS provide a vital system for organizing and locating resources on the internet. By enabling computers to locate resources through a hierarchical system of domain names and IP addresses, the DNS has become a fundamental component of the internet infrastructure.

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