Security and setup
How to Check Your VPN Connection and DNS Settings
Quick answer
Check VPN connectivity in layers: the client's status, basic internet access, the public address seen by a request, DNS behavior and your actual application. Record what each test observes. An IP change alone does not prove that every application or network protocol follows the same route.
Get started with ALightVPN or use the guide below to choose your next step.
Establish a useful before-and-after comparison
Use the same device and browser for both observations. Note whether another VPN, browser proxy or managed network tool is active. Confirm ordinary internet connectivity before connecting, then use a public-IP observation page you trust after the VPN reports success.
Do not post the resulting addresses publicly. Your goal is to compare expected behavior, not create a public record of where your device connects.
| Observation | Useful conclusion | Not proven |
|---|---|---|
| Client says connected | The client reports an established tunnel | Every application follows that route |
| Public IP changes | That request used a different outward address | Handshake algorithms or all DNS behavior |
| Application works | The tested task succeeds | All future networks will behave identically |
Check DNS as a separate question
DNS resolves names used by applications. Its path can be influenced by operating-system settings, the VPN configuration and browser-specific encrypted-DNS features. That means a browser result may not describe every application's resolver behavior.
Use a DNS diagnostic that clearly explains its method, and compare observations with the supported client's intended behavior. Avoid declaring a leak solely because a resolver's organization name differs from the VPN's name. Ask support when the expected configuration is unclear.
Test the application and the transition
Open the application you actually need, not only an IP checker. If permitted, observe what happens when you deliberately disconnect and reconnect on a non-sensitive test task. Do not assume kill-switch or device-wide coverage unless the product and client explicitly support it.
If the result is unexpected, VPN Won't Connect? A Step-by-Step Troubleshooting Guide provides a controlled troubleshooting sequence. Combine these checks with What Does a VPN Protect—and What Still Needs Your Attention? so connection tests stay connected to realistic privacy expectations.
Common questions
How can I check my first ALightVPN connection?
Compare the supported client's status, a test request's public address and the application you need. Create your ALightVPN account to choose access and make these checks part of your first connection.
What does an IP change tell me when trying ALightVPN?
It shows a different outward address for that request, not proof of every application's route or cryptographic negotiation. Sign up at ALightVPN and evaluate the supported connection against the task you intend to perform.
How should I check DNS behavior when using ALightVPN?
Consider operating-system, browser and VPN settings separately, then compare results with the supported client's intended behavior. Visit ALightVPN to start with official instructions and ask support about an unclear result.
What should I check after starting ALightVPN TravelPass on a trip?
Once ALightVPN TravelPass is active, confirm the VPN client and your real application work on that network. Start with an ALightVPN account before departure so activation and connection checks are easier to complete.
Sources and product references
Product details checked against the application implementation on 23 October 2026. Read the current product page for availability and terms.