Quick Answer: How Does A DNS Work?

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How does DNS work step by step?

How does DNS work?

  • Step 1: Request information.
  • Step 2: Ask the recursive DNS servers.
  • Step 3: Ask the root name servers.
  • Step 4: Ask the TLD name servers.
  • Step 5: Ask the authoritative DNS servers.
  • Step 6: Retrieve the record.
  • Step 7: Receive the answer.

What is a DNS server and how does it work?

Domain Name Servers (DNS) are the Internet’s equivalent of a phone book. They maintain a directory of domain names and translate them to Internet Protocol (IP) addresses. This is necessary because, although domain names are easy for people to remember, computers or machines, access websites based on IP addresses.

How is a DNS server used to access a website?

Name servers are used to host and match website addresses to IP addresses . DNS is the main system over the internet that uses the name server. When you type in a URL , the ISP looks up the domain name, finds the matching IP address and sends it back. Every website has a URL with an equivalent IP address.

What is DNS Example?

DNS – Domain Name System

The Internet however, is really based on IP addresses. Every time you use a domain name, therefore, a DNS service must translate the name into the corresponding IP address. For example, the domain name www.example.com might translate to 198.105. 232.4.