How to Check if Proton VPN Is Working
If you rely on Proton VPN for privacy, it is not enough to see a connected status and assume everything is fine.
This guide shows the most reliable ways to confirm that Proton VPN is actually protecting your traffic, your IP address, and your DNS requests.
Even a successful connection can hide problems like DNS leaks, WebRTC exposure, or an unprotected reconnection after sleep mode, so a proper check matters.
What “working” means for Proton VPN
When people ask how to check if Proton VPN is working, they usually mean three different things: the VPN tunnel is active, the visible IP address has changed, and no sensitive traffic is leaking outside the tunnel.
- Connection status: Proton VPN shows an active secure connection.
- IP masking: Websites see the VPN server’s IP, not your real address.
- Leak prevention: DNS, IPv6, and WebRTC traffic stay protected.
- Traffic routing: Your browser and apps are actually using the VPN tunnel.
Start with the Proton VPN app
The simplest check is inside the Proton VPN application itself.
Open the app and verify that it shows a connected state, a server location, and a secure tunnel indicator.
Look for the following details:
- The app status says Connected.
- A specific country or city is listed for the server.
- The connection time is counting upward.
- Any kill switch or always-on protection is enabled if you use it.
If the app says connected but the server details are missing or the connection keeps dropping, treat that as a warning sign.
A stable VPN session should remain active while you browse, stream, or switch networks.
Check your public IP address
A public IP lookup is one of the clearest ways to confirm that Proton VPN is working.
Before connecting, note your normal public IP address using a search for “what is my IP” or a trusted IP checker.
Then connect to Proton VPN and check again.
If the VPN is working, the IP address should change to match the VPN server location, not your real ISP or home network.
The city and country shown on the IP lookup should also align with the Proton VPN server you selected.
What a successful IP test looks like
- Your original ISP name is no longer shown.
- The location matches the Proton VPN server region.
- The IP address is different from your baseline address.
- Refreshing the page keeps showing the VPN server IP.
If the IP does not change, disconnect and reconnect to a different server.
On some devices, a stuck network session or leftover Wi-Fi state can prevent the tunnel from taking over properly.
Run a DNS leak test
DNS leaks are one of the most common ways a VPN can appear to work while still exposing browsing activity.
DNS requests translate domain names into IP addresses, and if those requests go outside the VPN tunnel, your ISP or another network observer may still see the sites you visit.
To check for leaks, open a reputable DNS leak testing site while connected to Proton VPN.
The results should show DNS servers associated with Proton VPN or its configured infrastructure, not your local internet provider.
Signs of a DNS leak
- DNS servers belong to your ISP.
- DNS servers are located near your home network instead of the VPN region.
- The test shows multiple unexpected resolvers outside Proton VPN control.
Proton VPN includes DNS protection features, but testing is still valuable because browser settings, third-party security software, or custom network configurations can interfere.
Verify WebRTC protection in your browser
WebRTC is a browser technology used for real-time communication, but it can sometimes expose your local or public IP address even when a VPN is active.
This is especially relevant in Chrome, Firefox, Edge, and other Chromium-based browsers.
To check, visit a WebRTC leak test page after connecting to Proton VPN.
The test should not reveal your real IP address or local network information.
If it does, you may need to disable WebRTC in your browser or use a browser extension designed to block leaks.
For best results, use this check alongside the IP lookup and DNS leak test.
A single clean test is helpful, but multiple clean tests provide stronger confidence.
Test the kill switch behavior
Proton VPN’s kill switch is designed to block internet traffic if the VPN disconnects unexpectedly.
This matters because a short disconnect can expose your real IP and traffic if no protection is in place.
You can test this by connecting to Proton VPN and then intentionally disconnecting the VPN or switching networks.
With a properly functioning kill switch, your device should lose internet access until the VPN reconnects or the protection is disabled.
Why this test matters
- It confirms traffic is not silently falling back to your ISP.
- It helps you understand how your device behaves during interruptions.
- It is especially important on laptops, phones, and unstable Wi-Fi networks.
If internet access continues after the VPN drops, review your Proton VPN settings and make sure the kill switch or always-on protection is enabled.
Check for location consistency
Another practical way to determine whether Proton VPN is working is to compare your observed location across services.
Many websites, streaming platforms, and search engines infer location from IP address, browser settings, and account history.
After connecting, check whether your visible region matches the VPN server country.
If you selected a server in Switzerland, for example, and websites still place you in your original region, something may be wrong.
Keep in mind that account-based services can still use saved profile data, so IP tests remain the more reliable indicator.
Use Proton VPN’s advanced features to validate protection
Several Proton VPN features help reduce the chance of mistakes and make verification easier.
These options are especially useful on mobile devices, shared computers, and networks you do not control.
- Auto-connect: Connects automatically when the device joins an untrusted network.
- Always-on VPN: Helps keep traffic routed through the tunnel.
- Kill switch: Blocks traffic during disconnects.
- Secure Core: Routes traffic through additional privacy-focused servers for extra protection.
These features do not replace testing, but they reduce the risk of accidental exposure between checks.
Common reasons Proton VPN appears to be working when it is not
Sometimes the app says connected, yet the protection is incomplete.
The most common causes are simple network or configuration issues.
- Another VPN or proxy is interfering with the connection.
- Browser cache or cookies are showing old location data.
- WebRTC is exposing a local or real IP address.
- DNS requests are using a non-VPN resolver.
- The device resumed from sleep and did not fully re-establish the tunnel.
- Firewall, antivirus, or network policy is blocking VPN traffic.
If you suspect a problem, disconnect Proton VPN, restart the app, reconnect to a different server, and repeat the IP, DNS, and WebRTC tests.
A quick checklist for confirming Proton VPN is working
Use this sequence when you want a fast, reliable check:
- Open Proton VPN and confirm it shows Connected.
- Check your public IP address and confirm it matches the VPN server region.
- Run a DNS leak test and confirm no ISP DNS servers appear.
- Run a WebRTC leak test in your browser.
- Disconnect the VPN briefly and confirm the kill switch behaves as expected.
If all five checks pass, Proton VPN is functioning as intended in the areas that matter most: tunnel status, IP masking, and leak prevention.
When to retest Proton VPN
One successful test is useful, but conditions can change.
Retest whenever you switch servers, change browsers, move between Wi-Fi and cellular data, install network software, or update Proton VPN or your operating system.
Regular testing is also smart after sleep mode, router restarts, and hotel or public Wi-Fi use, where captive portals and network restrictions can affect VPN behavior.