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Difference between DNS and DHCP

Difference between DNS and DHCP

Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP) are two of the most commonly used networking protocols. Though they share some similarities, they also have some important differences. In this article, we’ll take a look at these differences and explore how each protocol is used. We’ll also discuss some of the pros and cons of each protocol. By the end of this article, you’ll have a better understanding of when to use DNS vs DHCP.

What is DNS?

DNS, or Domain Name System, is a system that converts human-readable names (like www.example.com) into computer-readable IP addresses (like DNS is an essential part of how the Internet works, and it is responsible for translating billions of requests every day. When you type a URL into your web browser, your computer contacts a DNS server to look up the IP address associated with that domain name. The DNS server then responds with the correct IP address, and your browser is able to load the desired website. DNS servers are clustered into hierarchies, with each level of the hierarchy responsible for translating a portion of the total namespace. The top level of the DNS hierarchy is known as the root zone, and it contains information about all of the second-level domains in the world. Below the root zone are the top-level domains, which include familiar domains like .com, .net, and .org. Finally, below the top-level domains are the second-level domains, which are the actual website addresses that humans use on a daily basis.

What is DHCP?

DHCP, or Dynamic Host Configuration Protocol, is a network protocol used to automatically assign IP addresses to devices on a network. DHCP is useful because it allows devices to be added to a network without manually configuring each one with an IP address. When a device connects to the network, it sends out a DHCP request. The DHCP server then assigns an IP address to the device and sends back the information in a DHCP response. The assigned IP address is usually used for a certain amount of time, after which it expires and the device must send another DHCP request to renew the lease. DHCP is an essential part of most modern networks and plays an important role in keeping things running smoothly.

Difference between DNS and DHCP

The Domain Name System (DNS) is a critical component of the internet that helps to translate between human-readable website addresses and the numerical IP addresses that computers use to communicate with each other. The Dynamic Host Configuration Protocol (DHCP) is another crucial internet protocol that helps devices to automatically obtain the correct IP address settings from a DHCP server. Both DNS and DHCP are important for proper internet function, but they serve different purposes. DNS is responsible for translating human-readable domain names into numerical IP addresses, while DHCP helps devices to automatically obtain the correct IP address settings. Without both DNS and DHCP, the internet would not be able to function properly.


DNS and DHCP are both important networking components, but they serve different purposes. Understanding the difference between them can help you configure your network more effectively.

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