What is a Domain Name Servers or DNS?
The Domain Name System (DNS) is a standard technology for managing the names of Web sites and other Internet domains.The important function of the DNS is to change the domain name in to Ip address.A key element of the DNS is a worldwide collection of DNS servers.A DNS server is any computer registered to join the Domain Name System.You can get DNS look up service at Whoisxy.com here they provide DNS query tool using which you get the resource record of the domain like MX record(mail exchange) ,name server ,PTR(pointer) record etc…
A. Name servers are the Internet’s equivalent to a phone book. A name server maintains a directory of domain names and matching IP addresses. When your domain is set up, information about your domain name is added to the name servers. It usually takes about 48 hours before name servers on other networks will be able to access the information after the Central Registry gets it. This 48-hour period is referred to as propagation.
