Today, almost everyone has an internet connection at home or in the workplace.
Those who know the basics of the internet might be very familiar with the DNS or Domain Name System.
What is a DNS or Domain Name System?

DNS, or Domain Name System, is a database that consists of different domain names and IP Addresses.
So, even if your IPS provides a default DNS server, using a different one is always profitable.
Google Public DNS
It is one of the best and most popular DNS servers currently available.

Its an accessible public DNS server that was launched in December 2009.
Google DNS server is often regarded as the best DNS server for gaming.
It provides better browsing speed and enhanced security features.

Users must configure their online grid parameters to use the IP addresses8.8.8.8 and 8.8.4.4.
Cisco provides the public DNS server, focusing on speed and security.
The great thing about OpenDNS is that it automaticallydetects and blocks malicious websites.

It also uses Anycast routing to route your internet traffic to the nearest DNS servers.
This routing process significantly boosts internet speed.
Comodo Secure DNS is highly secure and blocks phishing and malware domains by default.

You wont believe it, but Comodo Secure DNS now has Anycast DNS infrastructure hosted in over 25 countries.
That means most countries will have DNS servers nearby and faster internet speed.
CleanBrowsing Android app is easy, allowing users to implement smartphone DNS blocking.

For instance, CleanBrowsing can block Adult websites on the internet.
However, CleanBrowsing is a relatively new app you cant easily trust.
Nonetheless, CleanBrowsing can set up DNS blocking on your kids rig.

Cloudflare DNS
Its one of the fastest and most privacy-first DNS servers available on the internet.
Another good thing about Cloudflare DNS is that it never logs browsing data.
you could use Cloudflares DNS Server if security is your top priority.

The mechanism of Cloudflares DNS protects users from DNS spoofing, phishing sites, and more.
This cloud-based DNS service is meant to protect your machine against phishing attacks.
Norton ConnectSafe also offers many pre-defined content filtering schemes to block phishing websites, pornography, and more.

AdGuard DNS
Well, AdGuard DNS is a public DNS server designed to block ads.
We have already shared a detailed guide onhow to block ads on Androidand PC via AdGuard DNS.
The DNS server is relatively easy to set up and accessible.

To use AdGuard DNS, users must configure their internet configs to use the IP addresses94.140.14.14and94.140.15.15.
The good thing is that the DNS server uses advanced techniques to protect your machine from prying eyes.
The DNS server would help you maintain your privacy in the simplest form.

To use OpenNIC, you must configure your connection tweaks to use the IP addresses 46.151.208.154 and 128.199.248.105.
Quad9 automatically blocks access to unsafe websites.
The Public DNS server doesnt store any of your data.

SafeDNS
Its one of the best and most popular DNS services on the list based on the Cloud.
The DNS server is optimized enough to provide a better web browsing experience.
It has both free and Premium DNS servers to fit your budget.

To use SafeDNS servers, use the following IP Addresses 195.46.39.39 and 195.46.39.40.
How to Change DNS Server?
Now that you know the available Public DNS choices, you may need help switching to them.
However, before making the change, you should note down the DNS server assigned by your ISP.
So, these are the best free DNS servers you’re free to use today.
You should start using these best free and public DNS servers.
If you know other DNS servers like these, let us know in the comment box below.