DNS leak test

Find out if your DNS is leaking

Loading

DNS leak test incomplete

Oops! Something went wrong.

Icon reconnect

Please refresh the page to try again.

DNS requests exposed!

Whoever runs your DNS servers can log every website you visit.

IP address
Provider
Country
IP Address:
Provider:
Country:
IP Address:
Provider:
Country:
IP Address:
Provider:
Country:
IP Address:
Provider:
Country:
IP Address:
Provider:
Country:
IP Address:
Provider:
Country:
IP Address:
Provider:
Country:
IP Address:
Provider:
Country:
VIEW ALL SERVERS
ExpressVPN security tools:

What is a DNS leak and why should I care?

Sometimes a VPN can fail to protect your device’s DNS queries even when the rest of your traffic is protected by the VPN tunnel. This is called a “DNS leak”. If your DNS leaks, unauthorized entities, like your ISP or DNS provider, can see your browsing history, the websites you visit, and any apps you use.

ExpressVPN will protect you from the threat of DNS leaks if it’s configured properly. The DNS leak test on this page lets you check that ExpressVPN is working correctly.
DNS test

What is DNS and how does ExpressVPN’s DNS benefit me?

DNS is an address-book system that your web browser and apps use to determine how to reach the servers that operate the websites you visit and the backend services that power your apps.

Without a VPN, your device typically uses a DNS service provided by your Internet Service Provider (ISP). The DNS server operator, as well as anyone with the ability to listen to your network traffic, can see the full list of websites and apps you use.

When you connect to ExpressVPN, your device will only use DNS servers operated entirely by ExpressVPN. This benefits you in the following ways:

  • ExpressVPN DNS servers are fast
  • ExpressVPN doesn’t keep activity or connection logs
  • All traffic between your device and DNS servers is encrypted end-to-end
What is DNS

DNS Problems: How is my VPN leaking DNS?

Sometimes, one of two things might go wrong:
  1. Your device sends DNS traffic outside of the VPN tunnel.
  2. Your device sends DNS traffic through the VPN tunnel, but not to ExpressVPN DNS servers.
In both cases, unauthorized third parties might see the list of websites and apps you use.

What causes DNS leakage?

The DNS leak checker on this page will help detect and fix leaks. There are many ways leaks can happen, such as:

  1. You’re not using ExpressVPN apps. If you’re manually configuring a VPN connection, the risk of DNS leaks is higher and depends on your exact operating system configuration.
  2. An attacker controls your router, such as a malicious Wi-Fi operator at a coffee shop. An attacker may be able to trick your device into sending DNS traffic outside of the VPN tunnel. ExpressVPN apps offer DNS leak protection, but other apps and manual configurations might be vulnerable.
  3. Manual DNS setup. You (or software on your device) specifically told the operating system not to use DNS servers operated by ExpressVPN. Power-users might require a particular DNS service, but for security reasons, it’s likely undesired for most people.
DNS leak test

What if I’m connected to ExpressVPN, and I still see a DNS leak on this page?