How To's

How do I confirm if my Browser is using Secure DNS, DNSSEC, TLS 1.3, and Encrypted SNI?

In this age and era, we rely to a very great extent on the internet and digital platforms. Our schools, banks, relationships (even the illicit relationships) among other things run on these two platforms.

PS – Digital can both be offline and online content, while internet platform is both digital and always online platform.

It is therefore critical we safeguard them from unauthorized access. If in your own house, you have at the very least lock and key with some of us going to the extremes of installing CCTV cameras, electric fences, and armed guards.

Why should you then leave just as important aspects of your life in the digital and internet realm unguarded? For your digital (offline) content, you need a proper antivirus and antimalware to safeguard them from any would-be hackers, trojans, viruses, ransomware, and now recently crypto jackers. More details on this


Safeguarding your Browser

Your browser is your gateway to the internet. It is critical that you give it as much security as possible. I hereby introduce you to the Cloudflare’s Browsing Experience Security Check online tool that checks the integrity of your browser security. That is its privacy and security related features.

Again, your internet privacy and security cannot be overemphasized. Don’t wait to learn that the hard way like Amazon’s founder Jeff Bezos. More on that story here.

If you are cybersecurity conscious, then you will mind the fact that there are government agencies, marketing companies, and cybercriminals out there that might be interested in your offline and online digital assets and activities.

For you to keep them at bay, you need programs running on your system to protect you from them; sort of a firewall. That is why cyber experts are pushing for widespread adoption of HTTPS across all sites on the internet. It makes data transferred from user and a site encrypted.

There are even more advanced security such as the Secure DNS; Cloudflare has its own encrypted Server Name Indication (SNI) that seals the cracks on the conventional DNS.

How to check Privacy and Security of your Browser

Using Cloudflare’s Browsing Experience Security Check online tool, it tests your browser’s security and privacy strengths. All you need is to go to that web page

and click on the run button to begin the test.

The online tool will check on Secure DNS, TLS 1.3, DNSSEC, and Encrypted SNI. According to independent reviewers, the only mainstream browser to be given a clean bill of health by the test is Mozilla’s Firefox browser.


Secure DNS – This technology encrypts DNS queries. For instance, browsing on, it will retrieve its IP address, with either of the two security standards: DNS-over-TLS or DNS-over-HTTPS.

TLS 1.3 – The latest version of the TLS protocol, which features a lot of improvement compared to original TLS

DNSSEC – It verifies the authenticity of DNS queries

Encrypted SNI – Server Name Indication (SNI) reveals the hostname during the TLS connections. When simply using TLS and Secured DNS, anyone can tap into your traffic (e.g. ISPs, government agencies, cybercriminals, etc.). However, if you use Encrypted SNI, you can encrypt the IP address so that it is not leaked.

I am a staunch Chrome browser user, and upon running the test on my browser. Here is what I got:

It appears Chrome might just be scoring big on the speed and extensions department only. Since the privacy and security department, according to this test, Chrome is failing terribly.

Must read: For maximum cybersecurity, should you be using VPN or Tor? Perhaps you should use both!

Felix Omondi

Kenyan citizen with a passion for writing for as long as I can remember. In my spare time, I like to blog and read up on trends that's happening around the world.

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