Introduction to DNS (DNS)
DNS is the phone book of the Internet. People access online information through a domain name, such as nytimes.com or espn.com.the web browser interacting through an Internet protocol (IP) address. DNS translates domain names into IP addresses so that the Browser can load the Internet resource.
Every device connected to Internet has unique IP address through other computers can find the device. The DNS Server eliminates the need of society to save the current IP address 192.168.1 (in IPv4) or the IP address of the alpha-numeric that is new, such as 2400:cb008: 1:c629: d7a2 (in IPv6).
All About DNS
Because we know that each computer on the Internet is assigned a unique address, called an IP address. IP address of distinctive looks like this: 144.123.436.7
It is very difficult to remember the IP addresses of all the Websites we visit every day. The words are easier to remember than a series of numbers. This is why the domain names in words and text. When you visit a website, you only need to know its URL. DNS helps us to change the URL to an IP address that a Computer can understand.
If you enter domain.com to your browser, the first browser has the IP-address www.domain.com. Contact your browser the DNS server to find the location of the server on which the website is stored. Consider it a Service IP address.
The analogy of the phonebook classic, you need to find a company “bookstore Joe”, you are in the directory and see its location on the main road 123. Then you go to the address to visit the store.