How can you test if VPN is working – Guide

Your Internet Service Provider (ISP) assigns a unique IP address to your router, the device that connects the computers, phones, and tablets on your home to the internet. Every device in your house that connects through this router uses its IP address on the internet. The IP address is assigned from a pool of addresses controlled by your ISP, so it may change from time to time, but probably not very often. When using a VPN, you create an impenetrable, encrypted tunnel between your computer and your VPN provider, and then connect to the Internet from one of your VPN provider’s computers. This protects your privacy in many ways. Part of a VPN’s privacy comes from hiding your real IP address, so it’s important to understand that IP addresses can be “leaked”. You can leak your IP address via DNS when your DNS traffic goes through the encrypted tunnel where your ISP cannot see it, exits your VPN, and returns to your ISP’s DNS servers for resolution. VPN leaks occur when your real IP address becomes visible, even though a VPN must mask your real IP address.

IP address leak test

A VPN changes your original IP address to an IP address assigned to the VPN. You need to verify that your original IP address is still being exposed on the web, even when you are connected to a VPN. See How to do this.

DNS Leak Test

DNS (Domain Name System) is a naming system for computers. It’s assigning some name to an IP address that would look like ( from ( It’s easier to remember that way, right? In the event of a DNS leak, someone trying to monitor your online activities will easily know which websites you are accessing while browsing the Internet.

Here’s How to check your VPN for DNS leaks.

WebRTC Leak Test

WebRTC or Web Real-Time Communication is a browser-to-browser tool used for high performance video streaming or file transfer. And you don’t need any plugins for them. A WebRTC leak can expose your original IP address on a website that uses WebRTC technology for audio and video communications.

Here’s How to check for WebRTC leaks.

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