How do Domain Names Work?

The domain name is the informal and unique name of a personal computer on the web.

These names make a distinction between computers on a network. However, the real work of pinpointing and distinguishing PCs in a network is performed by the Internet Protocol (IP) address. The Domain Name System (DNS) merely translates domain names into the numeric IP address because it is difficult to recall IP addresses.

How to Acquire Domain Names

Select the name of your preference. Ideally, it must be easy to remember if you want to generate numerous visitors to your blog or website. Check the availability of the domain name cheap from those in your list. All registrars maintain a database or access to central database which lists all domain names in existence. You can purchase an available name for $9 to $30 per year depending on the domain registrar. There is a distinction between private and public registration. Users should give their own contact information in the acquisition of a domain name. This is called public registration. However, the owners receive a lot of junk and spam mails plus unwarranted calls from telemarketers. You have the option of private registration for an extra cost.

Technical Concerns

The domain name is a hierarchy of character strings which denotes different levels. These are separated by dots or periods coming from top-level domains at the right end to particular host names at the left. The words or characters between the dots are referred to as labels. The label at the farthest end stands for the top-level domain. On the other hand, the second label from the right represents the second level. Any other labels to the left of the second-level domain are regarded as sub domains occasionally described as third-level domains. The Fully Qualified Domain Name (FQDN) goes all the way back to the root. It must include the root “.” at the end of the name to be classified an FQDN.

Understanding the Hierarchy of Domains

When you review the intricacies of the Domain Name System chain of command, you will discover that the root-level domain is on top with top-level domains below and followed by second-level domains, after which you find the sub-domains. This is administered by the Internet’s Network Information Center. The solitary objective of the DNS system is to make browsing more comfortable. There is no need to remember the number-dot-numbers-dot-more-numbers. It is easier to learn by heart The browser will go through the DNS and find the correct IP address of the website being alluded to. As soon as it is found, the browser opens the website since it knows the IP address of the domain.

Domain name providers translate these names to Internet Protocol addresses. It appears to be an easy task. Yet, there are these concerns to watch out for:

  • Billions of IP addresses are being used.
  • Billions of requests for DNS are also made daily.
  • IP addresses and domain names are changed every day.
  • New names are produced on a regular basis.
  • Millions of users work to change names and addresses daily.