Are You Leaking Data When You Browse a Website?

Check to make sure you're using secure DNS servers to prevent your private information from leaking.

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Look for DNS Leaks. Run a Leak Test.

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Your DNS Requests Might Be Leaking

What Should You See? Interpreting Test Results

Look at the ISP column in the box to the right. If that's the company you get your Internet from, then they could be monitoring what you do online! You have a DNS leak that you can plug with a VPN.

PrivadoVPN uses fast, encrypted DNS servers to keep your Internet activity safe. Connect to a VPN server and try running another leak test.

Your Domain Name Server (DNS) might record every website IP address you visit unless you're using secure, encrypted DNS servers like on PrivadoVPN.

IP AddressISPLocation

Protect Your DNS Requests in 3 Simple Steps

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Sign up for an account from PrivadoVPN.


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Protect up to 10 devices simultaneously.

What’s a DNS Leak, and Why Should I Worry About DNS Leaks?

The Internet works by giving every device connected to it an "IP address" that tells other devices how to find them. These usually look something like this:*. But if everybody had to memorize a string of numbers just to check their email, it wouldn't be very effective. The solution is the Domain Name Server (DNS).

A DNS keeps records of every IP address that has a name attached to it (like or When you type in the web address, your computer asks your ISP's DNS servers what IP address is connected to that name, then gets the data to display the web page.

* Not real IP addresses

The Problem with Logging

The problem is that your ISP then has a record of which website you went to. Depending on what country you're in, the government can ask for those DNS requests and the ISP has to hand them over.

And since net neutrality ended in 2016, if they don't like a specific site, they can slow down how fast you load it if you don't have a VPN. This is an even bigger deal with streaming sites, which can be made unusable if your Internet service provider decides they don't want you to make that connection.

Why You Need a VPN

By connecting to the PrivadoVPN network, you don't have to worry about that. Instead of using your ISP's DNS, you'll use one of our encrypted ones to prevent a DNS leak from putting your private data at risk. This VPN feature keeps anyone from seeing what sites you want to access. As a no-log VPN, we don't keep any records of your activity, so you don't have to worry about governments getting that information.

A DNS leak is a problem that a VPN might have where, instead of using a secure DNS, your request goes to the default one. We avoid DNS leaks by making sure that all of your information is encrypted before it leaves your computer and is sent through an encrypted tunnel to our DNS servers. We also have a Kill Switch feature that will stop all of your Internet activity if you're disconnected from the VPN so you don't even accidentally use the default DNS.

Frequently Asked Questions

There are actually four types of DNS server involved in any sort of DNS query: DNS recursor, TLS nameserver, root nameserver, and authoritative nameserver. It's not strictly important how each of these work, but know that every one of them can potentially result in a DNS leak with a VPN.

When you try to go to a website and type in the URL, your computer will first go to a DNS server and ask it what IP address is connected to that name. The DNS server will check its records and tell your computer where to go to get the information you want.

The whole process takes 8 steps, but it happens almost instantaneously in most cases.

A DNS leak is when your default DNS server is unsecured, despite having access to a secure one. The Internet is wide open if you know how to look, and without an encrypted connection, anyone can watch your activity online.

A service like a VPN goes a long way toward preventing those types of issues by routing all traffic through a secure DNS server. Sometimes your Internet provider might still try to make you use their DNS servers so they can continue to track you. That's why it's so important to use a no log VPN that will make sure you always access secure servers online.

A DNS leak test runs a DNS query and sees what comes back. It's fairly simple to perform and doesn't take long.

What a leak test shows you is whether you are using secure DNS or not. If your query passes the leak test, the resulting information should not show your actual ISP. If the leak test does have your location, ISP, or other identifying information, your connection is vulnerable to spies online.

The easiest and most effective way to protect your online device from a DNS leak is by using a virtual private network (VPN). A VPN guards you from leaks by making sure that your device never uses an unsecured DNS or one controlled by your ISP. Instead, a good VPN will have their own secure servers and use those rather than the default ones from your Internet provider.

On top of stopping DNS leaks, a VPN also offers a number of other benefits, including effective masking of your connection so that you can't be identified online. And all of your data will be encrypted by the VPN during transit from one computer to another, that way you can be sure that nobody will be able to see your online activity, no matter what device you use.

I don't think you'll be surprised to learn that we think the best free VPN for avoiding DNS leaks is PrivadoVPN. On top of using our own secure servers, we also offer the following benefits to our free users:

  1. You get 10 GB of data for free every month. That's up to 5 times more than almost every VPN on the market. Your privacy is safer, longer.
  2. Users can access 12 VPN servers from around the world, so it's possible to set your location for the fastest possible speed and best security/privacy.
  3. You'll be able to stream high quality content and use P2P services with a free VPN account.
  4. Because we are committed to our users' privacy, PrivadoVPN doesn't ask for anything other than a verified email to sign up for VPN service.

See What Our Users Have to Say

Works Great!

Works great, just as good as any competitor without the huge prices they charge.

Gilles Charette PrivadoVPN Windows App

Fantastic service

Fantastic service, speeds were fast and snappy. Customer support excellent to work with.

Janas PrivadoVPN iPhone App

Good VPN

Good service overall. Quite reasonable price and no issues with streaming. Good country selection list through the apps (using ios and Windows).

EC PrivadoVPN Multiple Apps

Love this VPN

PrivadoVPN is great! I use it all the time on my computer and phone. Never had a disconnection issue or data problem. Really happy that I went with the paid plan.

Kaoru Negisa PrivadoVPN Multiple Apps

Easy and Reliable

Without a doubt, this is the easiest and most reliable VPN I have ever used. I have it on my work computer and at home, and it's been so helpful in keeping me protected no matter where I am or what I'm doing. I can't believe more people don't use this VPN. Love it!

Lorne PrivadoVPN Multiple Apps

Protect Up to 10 Devices With One Account

Now you can protect up to 10 Internet connected devices with a single PrivadoVPN Premium account. You no longer need to worry about whether to activate your VPN on your laptop or your phone, you can protect them both, as well as the phones, tablets, and streaming media devices of the rest of your family.


Protect your desktops and laptops from spying and anonymize your online activity at home or out and about with the PrivadoVPN app.

Mobile Devices

On a phone or a tablet, you can make sure that everything you send and receive on it is encrypted, sent through a secure tunnel, and routed through our extensive server network.

Streaming Services

Whether you're watching on an Internet-ready TV or using an add-on device, you can protect your stream and access Geo-blocked content with PrivadoVPN.


You don't have to choose what devices to protect while you're at home. Install PrivadoVPN on your router and protect everything connected to your network.

Pick a Plan to Set Your Virtual Location

Hundreds of Servers in Countries Around the Globe

Whether you're traveling the world and want to access content from home or simply want to hide from prying eyes, you'll be able to find a fast and secure server to meet your needs.

Czech Republic
Hong Kong, SAR China
Korea (South)
New Zealand
Taiwan, Republic of China
United Kingdom
United States of America