Domain Name System Dns Definition
The domain name system dns is a naming database in which internet domain names are located and translated into internet protocol addresses the domain name system maps the name people use to locate a website to the ip address that a computer uses to locate a website.
Domain name system dns definition. Think of how your cell phone stores phone numbers as a name such as spouse or best friend. The explanation of this function can be by comparison with a telephone information service that has current contact data and provides them when someone requests them. Dns stores the database of all the. Definition of domain name system.
Most prominently it translates more readily memorized domain names to the numerical ip addresses needed for locating and. Its primary task is to resolve the naming requests. In simple terms domain name system dns is a collection of databases that translate hostnames to ip addresses. The domain name system dns is a hierarchical and decentralized naming system for computers services or other resources connected to the internet or a private network.
This takes place behind the scenes after you type an url into a web browser s address bar. The authoritative nameserver is the last stop in the nameserver query. If the authoritative name server has access to the requested record it will return the ip address for the requested hostname back to the dns recursor the. It associates various information with domain names assigned to each of the participating entities.
Domain name system dns is a hierarchical naming system built on a distributed database. This system transforms domain names to ip addresses and makes it possible to assign domain names to groups of internet resources and users regardless of the entities physical location. Short for domain name system dns is an internet service that translates domain names to ip addresses domain names are alphabetic and therefore easy to remember but the internet is based on numeric ip addresses so a dns server is required for computers to communicate with one another. Dns stands for domain name system is used to as the medium to translate domain names to their respective ip addresses when a client initiates a request query.
In simple terms a domain name system dns is a collection of databases that translate hostnames to ip addresses.