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Difference between DNS and NetBIOS

Difference between DNS and NetBIOS

DNS (Domain Name System) and NetBIOS (Network Basic Input/Output System) are both networking technologies that allow devices on a network to communicate with each other. They both have different purposes, and understanding the difference between them is important for configuring a network correctly. In this blog post, we’ll discuss the differences between DNS and NetBIOS, and how to use them correctly in your network. Stay tuned!

What is DNS?

DNS is the Domain Name System, and it is responsible for converting human-readable domain names (like www.example.com) into numerical IP addresses that computers can understand. DNS runs on a network of servers around the world, and it is the DNS server’s job to map a user’s requested domain name to the corresponding IP address. DNS is a critical part of how the internet works, and it is one of the oldest parts of the internet infrastructure. DNS was first developed in the early 1980s, and it has been widely used ever since. DNS is a key part of how we use the internet today, and it is likely to continue to be an important part of the internet for many years to come.

What is NetBIOS?

NetBIOS is a transport protocol that provides services related to the session layer of the OSI model. It is used to allow applications on different computers to communicate with each other over a network. NetBIOS is a legacy protocol that has been largely replaced by newer protocols such as TCP/IP. However, it is still used in some legacy systems and can be useful for debugging networking issues. NetBIOS uses a broadcast-based communication method, which can cause problems on large networks. It is also not very secure, which has led to its replacement by more modern protocols.

Difference between DNS and NetBIOS

DNS and NetBIOS are two protocols that are used to resolve hostnames. DNS is the more modern of the two, and it is the standard that is used on the internet. NetBIOS was developed in the 1980s and was originally designed for use on small networks. It does not scale well, and it is not compatible with DNS. As a result, NetBIOS is not generally used anymore outside of legacy systems. DNS uses a hierarchy of servers to resolve hostnames, while NetBIOS uses a system of broadcast requests. DNS is faster and more efficient than NetBIOS, which is why it is the preferred protocol today.


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

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