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Author Topic: What is DNS?  (Read 3669 times)

joel lee

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What is DNS?
« on: March 11, 2020, 03:04:25 AM »
The Full Form of DNS is a Domain name system that connects URLs with their IP address. With the help of DNS, it is possible to type words instead of a string of numbers into a browser, allowing people to search for websites and send emails using familiar names. When you search for a domain name in a browser, it sends a query over the internet to match the domain with its corresponding IP. Once located, it uses the IP to retrieve the website’s content. Most impressively, this whole process takes just milliseconds.
Read this Complete Guide about Domain Name System with Complete information on it.


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Re: What is DNS?
« Reply #1 on: April 21, 2020, 07:23:22 AM »
Domain Name System (DNS) manages the names of public websites and internet domains. It controls your domain name’s website and email settings. Whenever a visitor goes to your domain, DNS settings will control which server it will reach out to. It matches the name of the website (its domain) to the address for that same website (IP Address).

How does it work?

DNS is based on the client-server network architecture. Your web browser is like a client (DNS Resolver) and it requests your ISP’s DNS servers when you navigate through the websites.

Whenever a DNS server receives a request, it temporarily behaves as a DNS client. The server passes the request to another DNS server (as a client) and this process continues until the request arrives at a server of matching IP address. Then the response flows back through the chain of DNS servers to the original client, that is, your browser.


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Re: What is DNS?
« Reply #2 on: June 04, 2020, 01:40:30 PM »
The Domain Name System (DNS) is the phonebook of the Internet. Humans access information online through domain names, like nytimes.com or espn.com. Web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to IP addresses so browsers can load Internet resources.

Each device connected to the Internet has a unique IP address that other machines use to find the device. DNS servers eliminate the need for humans to memorize IP addresses such as (in IPv4), or more complex newer alphanumeric IP addresses such as 2400:cb00:2048:1::c629:d7a2 (in IPv6).