What is DNS Server?

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In simple words, DNS stands for Domain Name System that is a set of databases that interpret hostnames to IP address. The Definition of DNS Server is that it’s a computer server that holds a database of public IP addresses and their associated hostnames, in the most matter, server to settle, or interpret, those mutual names to IP addresses as solicited. They have special software and special protocols.

For example – DNS server is a translator that changes www.example.com into IP address that is 12.123.123.123

Why the need for DNS Server?

If I ask you a simple question that is what is readable and simple for you? Is it www.example.com or is it 12.123.123.123? Obviously, for humans, it is easy to read example.com but for computers 12.123.123.123 it is the only language which it can understand.

Can malware change DNS Server?

Always use anti-virus on your desktop or laptop. It protects your desktop from malware attacks, which changes your DNS server settings, which is absolutely something that no one wants to happen.

For example – suppose that you desktop using google DNS server 1.1.1.1 and 1.1.2.2. and you are using bank site where you need a login to access inside. But what happens if malware changes your server settings and by putting the same URL send you to another website which is fake and looks same and you put their your personal details like login details. The site sends all data to the scammers.

If you don’t want to be a victim then all you need to do is that first install an antivirus program which stops and block these types of malware to access your browser and be aware while you open a website, it is certified or not. The anti-virus gives you all warning before you using a website.

More Information About DNS Server

In most cases, there are two DNS servers, primary and secondary server, which is automatically configured in your desktop, when the first one is not working then the second one connect automatically. Some DNS servers are works faster than others. Sometimes we found some issues while opening a site, its because of DNS not found. There are some features found in some DNS servers like OpenDNS which redirects adult websites, gambling websites, social media websites and more illegal websites, to a “Blocked” page, but you can change it and have control on these types redirects.

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