Caching DNS Service an Solutions

DNS servers - the internet servers which provide the link between domain names and IP addresses

, and allow you to access remote web sites, are great things, but the additional step of looking up a domain in a DNS server every time you want to access a website can get slow and repetitive. A DNS caching service can help speed things up. Let's take a quick look at what DNS is and how a DNS caching service can help improve web speeds and performance.

When you type a domain name into your browser, such as example.com, you computer doesn't actually know where that website is. It has to use the Domain Name System (DNS) to access a special server (a DNS server) which tells it the Internet Protocol (IP) address of the server which hosts the website you are looking for. Your computer can then use that IP address to find their server and request the web page.

This step happens incredibly quickly and behind the scenes, and most people don't know, and don't need to know, about how it works. However looking up a domain name repeatedly for a website you access many times a day, such as Google or Facebook, is repetitive and wastes a lot of time.

A DNS caching service can speed up the process of finding a website by storing the IP addresses of commonly used websites, so that your computer doesn't have to look them up every time you visit them. This saves a bit of time as you browse the web. Most Internet Service Providers (ISPs) provide some sort of web caching service by default, to help improve web performance. However if you are interested, there are also programs you can download to your computer or run on your server which will cache DNS data locally and help speed up your web performance.

DNS caching is a rather technical topic which many people don't need to bother with, especially because most ISPs provide a DNS cache, however if you do want to install a custom DNS caching service then you may be able to see improved web browsing performance.

Caching DNS Service an Solutions

By: Kristina Paul

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