Hi friend

the domain name system (dns) associates various information with domain names; most importantly, it serves as the "phone book" for the internet by translating human-readable computer hostnames, e.g. example web page, into ip addresses, e.g. 208.77.188.166, which networking equipment needs to deliver information. A dns also stores other information such as the list of mail servers that accept email for a given domain. By providing a worldwide keyword-based redirection service, the domain name system is an essential component of contemporary internet use.

Thanks
deepasree