To tell whether a VPN is working, don’t rely on the connection icon alone. An IP check shows the exit address websites see; a DNS test shows which resolvers handle domain lookups. To confirm whether an app uses the tunnel, check its routing rules too. Comparing these results helps distinguish expected direct connections from partial routing or a configuration problem.

Connection status and traffic routing are different

A client showing “Connected” usually means the tunnel or local proxy is running—not that every app’s traffic passes through it. System proxies, browser-specific proxy settings, virtual adapters, and split-tunneling rules cover different traffic. On the same device, a browser may use the VPN while a download app connects directly.

Before testing, decide what you expect: should selected international websites use the VPN, or should most device traffic enter the tunnel? In rule-based mode, local services may connect directly by design. Don’t use a site that should bypass the VPN as your only test, and don’t treat being able to open every site as proof that the proxy is working.

Check What it tells you What it can’t prove on its own
Client connection status The connection or proxy component is running Every app uses the VPN
Public IP The public exit address for that test request Other apps and DNS use the same route
DNS test Which recursive resolvers handled the test domain All requests are secure or all are leaking
App connection logs Rules matched and outbound routes observed by the client The app ultimately connected successfully or all connections were routed through the client

Steps to Compare Exit IPTest Results

Your public exit IP is the source address a website sees, not your device’s local network address. First disconnect the VPN, check your public IP in a browser, and note the address, provider, and approximate location. Then connect to your chosen route and check again on the same page. Compare the address first, then check whether the provider and region match what you expect.

  1. Set a baseline. Turn off other proxy extensions and tools that might route traffic, disconnect the client, and note your public IP without the VPN. Keep the network connection unchanged during the test if possible.
  2. Connect and check the mode. Choose a route and check whether the client is using rule-based mode, global proxy mode, or a virtual adapter. Make sure the IP-checking site isn’t set to connect directly by a rule.
  3. Make a fresh request. Refresh the test page or close the old tab and open a new one. Existing long-lived connections may keep using the previous route after you switch.
  4. Cross-check the result. Try a different IP-checking service and compare it with the client’s connection logs. Location labels can vary between databases, so don’t draw conclusions based only on the city shown.
  5. Record the test conditions. Note which browser, mode, and route you used. The result directly describes only that request at that time; it doesn’t automatically apply to other apps.

If the address hasn’t changed, first check whether a rule sends the test site directly, then check that the system proxy is enabled and the browser isn’t using separate proxy settings. Two routes in the same region may share an exit address, so an unchanged IP after switching routes doesn’t by itself mean the switch failed.

How to interpret a DNS leak test

DNS translates domain names into addresses that devices can connect to. A DNS leak usually means a lookup that you expected to use a protected route went through an unexpected one—for example, a resolver provided by your internet connection. This is separate from whether website traffic uses the VPN: your web traffic may exit through the VPN while DNS lookups take a different route.

A typical browser-based DNS test triggers lookups for test domains and lists the recursive resolvers it detects. It usually doesn’t show your device’s full DNS configuration or how each part of the request was routed. Seeing a public DNS provider doesn’t prove there’s a leak; likewise, a resolver appearing to be in the same region as your VPN doesn’t rule out every privacy risk.

Compare results before and after connecting—not just the country label

Run the test while disconnected and note the resolver names. Connect, run it again, and check whether your internet provider’s resolvers still appear. If those lookups are meant to go through the tunnel but the provider’s resolvers remain, check the client’s DNS routing, domain rules, and browser settings. Public DNS may use anycast, so the location shown by a test site may not be where the request actually went.

Browsers may use their own Secure DNS settings

A browser’s Secure DNS setting, such as DNS over HTTPS, may bypass your system’s DNS settings. Encrypted DNS protects traffic between your device and the resolver; it doesn’t automatically mean the request uses your chosen VPN route. Routing still depends on the browser and client configuration. To troubleshoot, you can temporarily set the browser to use the system resolver and compare the results, then restore your preferred privacy settings afterward.

Command-line tools have their own limitations. nslookup example.com can help show which resolver the tool queried and what result it returned, but it doesn’t tell you whether your browser uses the same resolver or replace a browser-based DNS leak test. Don’t assume a webpage is leaking DNS just because the command line shows your local gateway.

Check that each app follows the expected routing rules

When testing an app, check both what happens in the app and what the client records. Open a page that should clearly use the VPN, then look for its domain, process, or destination address in the client’s connection list. Confirm which rule matched and which route was selected. Logs only show traffic the client can observe. If there’s no entry, check for cached content, an existing connection being reused, or traffic bypassing the proxy entirely.

  • ✅ Browser: Check proxy extensions, browser-specific network settings, and Secure DNS. A private window can reduce the effect of some sign-in state, but it doesn’t replace checking the network route.
  • ✅ Desktop apps: Check whether the app has its own proxy settings. Some apps don’t follow the system proxy and need explicit configuration or a virtual adapter supported by the client.
  • ✅ Mobile apps: Check whether the client excludes the app and whether the operating system restricts the client’s background activity. A cached page isn’t proof that a new request used the VPN.
  • ✅ Command-line tools: Check whether the tool reads proxy environment variables or has its own settings. A changed browser IP doesn’t mean terminal requests use the same route.
  • ❌ Don’t rely on content alone: Video catalogs, search language, and account pages can be affected by account settings, caches, and platform policies. They can’t confirm your exit address on their own.

On Windows and macOS, the system proxy usually affects only apps that follow that setting. Linux desktop apps and command-line tools may also read proxy settings differently. Android and iOS clients can use system network extensions to route traffic, but the actual coverage still depends on routing, app exclusions, and the client implementation. The status-bar icon alone isn’t enough to tell.

Also distinguish global routing from routing all device traffic. In some clients, global mode sends requests that already use the proxy through one selected route, but doesn’t automatically capture apps that bypass the system proxy. Virtual adapter mode usually covers more traffic, but DNS, route exclusions, and permissions still need to be configured correctly.

Troubleshooting: connected but not working

Check in this order: traffic capture, rules, DNS, then the network stack. Change one setting at a time. Save your original configuration, then make a fresh request to the target. Changing the route, DNS, and split-tunneling rules all at once makes the results harder to interpret.

The browser works, but other apps can’t connect

First check whether the app follows the system proxy and whether the client has the required traffic-capture mode enabled. Don’t assume the route itself is at fault. Try configuring a proxy in the app if it supports one, then compare the results. If you’re unsure what a setting does, follow the client steps in Quick Start and avoid running multiple network-capture tools at once.

IPv4 exit changes, but IPv6 still uses your regular connection

Some networks support both IPv4 and IPv6. If the client handles only one correctly, apps that support the other may still connect directly. A test page that doesn’t show IPv6 results doesn’t necessarily mean the configuration is correct; your current network may simply lack IPv6 connectivity. Check the client’s IPv6 support and routing rules. If needed, temporarily disable IPv6 for comparison, then restore it and use a supported configuration.

Web pages work, but real-time traffic behaves differently

Browser WebRTC can establish connections differently from regular web requests. A private local-network address in a test result doesn’t mean your public IP is leaking. If you see your internet connection’s public address, check UDP routing and browser policies. Don’t treat all addresses as the same kind of risk or install untrusted extensions just to hide a warning.

The result doesn’t change after switching routes

Quit the target app and reopen it to start a new connection. Check whether a browser extension, another client, or manual proxy setting is overriding the current configuration. A successful subscription update doesn’t mean the app is using the new route; check which outbound route is actually selected. Subscription links are sensitive credentials—hide them in screenshots and support requests.

How to Reach a ReliableTest Conclusion

After testing, keep a brief record of your network, client mode, target app, public IP before and after connecting, DNS results, and matched rules. This is much more useful for troubleshooting than “it says connected, but it doesn’t work.” Before sharing the record, hide account details, subscription links, and any full addresses you don’t need to show.

What to look for: You can say the VPN is working for a particular scenario when the target request uses the expected exit, DNS follows the intended policy, and the target app has matching rule and outbound-route evidence. One browser test can’t vouch for every app, and correct split tunneling doesn’t mean every request must use the same exit.

Finally, a working VPN doesn’t mean a site is trustworthy or guarantee anonymity. Check HTTPS certificate warnings, account permissions, and download sources separately. VPNCoast’s military-grade encryption protects data in transit, but it doesn’t replace these checks. Browse the route list to choose a route, or check the Help Center for setup issues before testing again.