What is a DNS leak? How to prevent it to ensure your anonymity?

“There are two rules in life:

1. By no means give out all the knowledge.”

See what I did there?

In the online world, the identical precept applies. Your privacy and safety come first, it doesn’t matter what.

Your “digital portrait” is one thing your ISP can draw pretty simple, as it has entry to all the knowledge it needs about you. Yes, for those who surf unprotected, your ISP will know that you simply’re reading this right now.

With solutions like the VPN, proxy, or disguise IPs software program, you possibly can prevent this factor from occurring. And, when you’re questioning, you don’t want to be overly-cautious to use a VPN in 2019.

Nevertheless, the primary question is: can we ensure that these solutions haven’t any security flaws, like DNS leaks or IP leaks? The answer is NO. That’s why you want to take a few extra steps into ensuring that your privacy, security, and anonymity aren’t compromised by any means.

On this article, we’ll think about two essential subjects that any web consumer ought to understand – what is DNS leak and the way to avoid DNS leaks.

What is a DNS?

For a better understanding of what a DNS leak implies and the way to avoid DNS leaks, you need to correct perceive the whole idea. So, let’s dig into the subject.

In the event you’re a VPN consumer, the DNS time period might sound acquainted, as you might have heard about Sensible DNS.

In IT, DNS stands for Domain Identify Server. It’s not much to say that the DNS stands as a foundation for the Internet, as it allows users translate domains into IP addresses.

As a result of the DNS exists, you’ll be able to entry a web site by its identify, with out having to sort the precise IP of the website.

If this is how the idea seems like, how DNS truly work?

Anytime you attempt to access a website, you will browse the precise website. As quickly as you press enter, your gadget asks your ISP DNS resolvers to determine the website’s IP tackle. Right when this information is obtainable, your ISP returns the data so you possibly can simply go to and navigate the web site.

Based mostly on this rationalization, you’ll be able to easily conclude that your ISP is aware of every little thing about your on-line activity.

Even when you have nothing to cover, having your on-line activities put on your ISP’s table so it can learn it, it’s not normal. Do you permit your neighbor to read your mails? No, right? Then why would you permit your ISP, or the federal government to do it?

Since internet neutrality not protects you, as a accountable web consumer, you want to keep cautious.

As a conclusion. For those who use your ISP’s DNS, you could face a DNS leak, which is a widespread safety flaw. So, let’s study extra about this and the way to keep away from this factor from occurring.

What is a DNS leak?

After investing a little little bit of time in learning stuff about new applied sciences, you’ll see that things are fairly straightforward to understand and very properly linked.

The one factor you want to do is to take a look at these concepts from the logical perspective.

So, let’s take a look at what we’ve discovered so far from a logical perspective. Here’s what we all know:

  1. The DNS stands as one of the elementary rules constituting the functionality of the Web, as it interprets hostnames into IPs.

  2. All of the “DNS activity” is carried out by way of a public DNS server which belongs to your ISP.

  3. Because your ISP interprets all your requests, it knows EVERYTHING about your on-line activities

  4. The web neutrality not exists. Subsequently, your ISP can provide all the knowledge it has about you to who might require it (authorities or another third-party firm entitled to request such info).

  5. You’ll have nothing to cover, but your on-line privateness is essential. No one has the fitting to know details about your health issues, for example, with out your consent.

What do all this stuff imply?

A DNS leak translates into the act of storing, filtering, and monitoring all the DNS visitors a consumer generates. This safety drawback is brought on by the unencrypted connection that exists between your pc and the DNS resolver.

DNS Leak vs IP Handle Leak

The excellent news is that a DNS Leak is not as critical as an IP handle leak.

Whenever you face a DNS leak, your service provider or some other third-party can see only where you’re originated from and the ISP you employ.

Because of this they gained’t know your actual location.

However, whenever you face an IP handle leak, the state of affairs is far more critical, as you may be recognized by your actual location.

So, a DNS leak gained’t affect your privacy as a lot as an IP handle leak but is undoubtedly something you need to keep away from, for full on-line security, anonymity, and privacy.

How can I prevent DNS leaks?

As a result of all the things you’ve simply discovered, here comes the query: how are you going to prevent a DNS leak?

These safety flaws aren’t left without a answer and, as mentioned under, the leaks are brought on by the unencrypted connection between your gadget and the world broad net. Thus, you need to resort to a answer in a position to encrypt your visitors. Encrypting your DNS requests utilizing DNS over HTTPS or DNS over TLS may be a answer, however you need to comply with the simplest and only approach for visitors encryption.

The preferred know-how for visitors encryption and web safety is the VPN.

Launched as a security answer for companies, the VPN turned a legal answer, ready to use by anybody.

Using its elements (the VPN server, VPN protocol, and the VPN encryption), this answer can encrypt your visitors and alter your IP tackle within seconds. The VPN acts like a center man in your internet connection, as it stands between your gadget and the final vacation spot on the internet.

With the VPN enabled, your connection works like this:

How VPN works

Subsequently, with simply a click on, you possibly can enable a VPN connection and have all your visitors encrypted, and you’ll truly use a personal network, over the public network.

Presently, the VPN is useful for a bunch of purposes like avoiding web censorship, safe torrenting, avoiding gaming DDOS attacks, or unblocking geo-restricted streaming websites like Netflix or BBC iPlayer.

Moreover, many VPN suppliers permit their clients to use superior features like the VPN Kill Change, WebRTC leak safety, Double VPN, or Tor over VPN for enhanced security and privateness.

All these advantages of the VPN make it a great selection for DNS leak prevention, as the visitors is routed by means of the VPN tunnel, earlier than it reaches the DNS resolvers.

Are there any safety flaws once I use a DNS leak VPN?

Sorry for being so straight-forward however, sure, there could be!

Why do VPNs leak? VPNs might leak due to numerous reasons.

Even when the precept of the whole know-how sounds simple, it isn’t! When the VPN combines its elements to ensure your online security, you might face totally different conflicts that you simply’re not aware of. No notifications are popping, and no errors are displayed.

That’s why it’s essential to do a little bit of research when selecting a VPN to put your trust in.

Often, a reliable VPN provider permits users to enable particular choices to avoid DNS leaks. With out the extra choice enabled, you may still face DNS leaks.

DNS leak

Testing is the key, anyway! The VPN performance, as well as the VPN velocity, are influenced by a collection of factors. Above all, you’ll need to carry out a collection of checks by yourself and discover the solution that works for you.

And, by the best way, don’t get stingy, a number of the strongest VPNs available on the market might value you a couple of bucks. In fact, there are a lot of free VPNs on the market, but such providers are more harmful than the DNS leaks!

So, search for reliable VPNs and proceed with testing their performance until there’s a “match”. Afterward, continue with a DNS leak check.

How to perform a DNS leak check?

This is the decisive battle in the whole battle for finding the right VPN that encrypts your visitors and helps you keep away from DNS leaks.

What do you want to do? It’s easy-peasy-lemon-squeezy:

  1. Without being related to the VPN, go on Google, and search for a DNS leak check on-line device.

  2. Carry out the check.

  3. There are 99.99% possibilities that your DNS is leaking.


This is the subsequent part:

  1. Join to the VPN and use the same software.

  2. Carry out the check.

  3. With an ultra-secure VPN service, your end result ought to appear to be mine, within the picture under. See, I was lucky enough to discover the right match for me. 😊

DNS leak test protected

What VPN to select to fix DNS leaks?

If you would like to skip the time-consuming part of in search of a good VPN, I’ve a tempting proposal for you.

Check ibVPN totally free, for 24 hours, by profiting from the free VPN trial we provide.

Signal-up for a FREE TRIAL

In the course of the trial, you’ll be able to check our absolutely featured service, including the apps for Home windows, Mac, iOS, Android/Android TV, plus the straightforward to use VPN browser extensions. Additionally, you’re supplied with useful tutorials on how to guide set up a VPN connection on your VPN router or Apple TV.

Do you have to opt for the guide configuration, understand that you might face DNS leaks.

So, to check if ibVPN may also help you keep away from DNS leaks, comply with the above-mentioned steps:

  1. Signal-up for a free trial.

  2. Get the Home windows app.

  3. Go to Settings -> Verify the bins within the DNS leak protection part.

  4. Connect to the desired server.

  5. Perform a DNS leak check.

DNS leak protection on Windows

Yes, it’s so simple as that!

By the best way, as a result of our trial provides you access to all of our advanced features, don’t overlook to check:

  1. The Sensible DNS answer. ibDNS permits you to unblock 300+ streaming channels worldwide, so you possibly can watch your favourite films or sports occasions (Le Tour de France, Method 1, or French Open).

  2. Our Socks5 answer for secure torrenting.

  3. The unicorn VPN protocols – SoftEther, Shadowsocks, Stealth VPN, or the powerful SSTP.

A DNS leak in a… nutshell.

Benjamin Franklin stated that ”a small leak will sink a great ship”.

How can we transpose this into what we’ve simply discovered?

Nicely, a DNS leak might not reveal so much about you as an IP handle leak however, in time, if you will permit multiple safety flaws to happen, your privateness might be put at risk.

If you use ISP-based DNS servers, your visitors might be checked, filtered, or you’ll be able to even face web velocity drops or bandwidth throttling.

To keep away from such situations, you should use totally different instruments that allow you to encrypt your visitors, to maintain away all the prying eyes.

In the meanwhile, a great answer to keep away from leaks in the simplest approach is to discover a VPN service that meets your needs.

Beware of the truth that VPNs might have flaws too.

Be cautious, perform exams, and decide something that reflects your expectations.

Caring for your on-line privateness and safety is easier than you assume!