How to Run DNS Leak Test On PC? [Dnsleaktest Protection]

DNS leak is dangerous - it can cause your loss of important privacy. DNS leak test (VPN Leak Test) is a crucial measure for you to constantly check your cyber security. But to fully understand this tough problem, you need to get some knowledge about the DNS and to know how the DNS system supports your daily internet usage. Also, to understand why DNS leak is a critical problem that threatens your privacy & data security.

Your browser uses a Domain Name System (DNS) to bridge the gap between the IP address and the website name you've entered. While you are entering a domain name (for example, google.com) it will be first sent to the DNS server, where the domain name is matched with the associated IP address (for instance, 64.233.166.113, Google's IP address), then this IP address will be forwarded to the correct computer so that you can visit Google correctly. Now let's read on and see some DNS leak protections.

As you may have noticed, all your request to visit websites will pass through the DNS server – it allows your ISP to monitor your online behavior – both sender & receiver's information will be recorded.

The bad news is the DNS servers are owned by your local ISP and governed by national law. Related information can be forcefully given to law enforcement on government requests (follow the suits of Anti-terrorism Patriot Act). On the other hand, the ISPs can also sell your data to companies for marketing purposes.

This is the reason why the DNS leak test is important – it tells you if your DNS is leaked or potentially exposed – it can be a warning if your internet security is flawed. You might need a VPN for PC to protect your information from leaking.

How to Do DNS Leak Test? Without VPN Leak Testing Tool

It is not hard to do the DNS leak test – there are many web apps to test if your DNS is leaked. To test your DNS Leakage, to use a VPN service is highly recommended. The DNS leak test is meaningful only when your IP address are covered by an encrypted proxy – or your personal data & privacy will always be exposed.

There are many web apps to test your VPN for DNS or other forms of data leaks, and if you're not sure what to do, you can simply go to ipleak.net while your VPN is functioning. The ipleak.net will automatically check for DNS leaks (and provides more information related to your network).

Step 1. Type ipleak.net into the address bar of your browser.

Step 2. After the page loads, the test starts automatically, and you will see an IP address appears.

Step 3. If the address you see is your IP address and shows your location, and you are using a VPN, this means you have a DNS leak. If the address shown is your VPN's IP address, then it means you do not have a DNS leak.

The figure shows ipleak.net used a poorly configured VPN. It is returning the real IP address. This is a DNS leak.

After connecting to ipleak with iTop VPN Japanese servers (iTop VPN allows you choose from a range of different countries). No DNS leaks were detected.

For most internet users, the above method of DNS leak test is sufficient. For demanding users, this will not be a perfect solution since it requires you to connect to the Internet and then send requests on the DNS leak test website as the extra step, which increases the risk of DNS leaks. Using a best free VPN for Windows (a VPN Leak Test Tool) for data telecommunication will increase the credibility of DNS leak test.

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You can also use the CMD command to check if there’s a DNS leakage. To do this, search “cmd” in the Microsoft search bar, then execute the CMD.exe. Then enter the following command in the Command Prompt:

Ping [ServerName] -n 1

You might like to choose a reliable private/public test server, here is a list for available public test server:

• Whoami.akamai.net

• resolver.dnscrypt.org

• Whoami.fluffcomputing.com

• whoami.utladns.net

Please replace the [ServerName] with the test server you would like to connect to do the DNS leak test. For example, “ping whoami.akamai.net -n 1”. Then press Enter key. If the returned message appears in the command prompt includes any of the IP address that matches your real IP, then there is a DNS leak – only your VPN masked IP address should appear here.

We have already known how to do the DNS leak test after reading the post above. You might have noticed that it is necessary to have a VPN service then check the availability of DNS leak check. Also, the best & easiest way to protect your information from DNS leaks is to adopt a VPN service that can properly hide your IP & protect your privacy.

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The iTop VPN is one of the best VPN free services which can properly protect your information – as one of the best free VPNs on Windows, the iTop VPN can be your best internet security tool that offers professional network security protection, along with DNS leak proofing.

How to Protect DNS Leaks by Clicks – with iTop VPN

The iTop VPN launches a protection tool against DNS leaks specifically. To easily use the iTop DNS protection feature, just follow the instructions as follows:

Step 1: Download & install the iTop VPN for Windows

Step 2: Execute the iTop VPN application, find the “Privacy Protection” tab on the left side, click in.

Step 3: You will see a list of iTop security assistance tools, scroll down to the bottom, click “DNS Protection”, then activate.

After you activated the DNS protection, each time you’ve connected to iTop VPN secured networks, your DNS will be protected and there will have no concern of DNS leaking.

The iTop VPN is a free-to-use VPN service – it cost you nothing to use – and you can access enough features to protect your internet security, like DNS leak proofing. If you need to try some fancy stuff and are willing to upgrade to their premium service, then a $1.99/month service fee could possibly be the best deal you can ever find.

This post has introduced how to do the DNS leak test, also a good DNS leaking protection VPN – iTop VPN, was introduced. Anyway, if you do concern about your internet security, using a VPN Leak Testing Tool that also hides your IP address, protecting you from possible DNS leaking is important.