DNS Leak Test
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ExpressVPN Not connected
Your internet service provider (ISP) can track your browsing habits, the apps you use, and much more.
ExpressVPN's DNS servers are fast, private, encrypted.
DNS requests exposed!
Whoever runs your DNS servers can log every website you visit.
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ExpressVPN security tools:
What is a DNS leak and why should I care?
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.
What is DNS and how does ExpressVPN’s DNS benefit me?
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
DNS Problems: How is my VPN leaking DNS?
- Your device sends DNS traffic outside of the VPN tunnel.
- Your device sends DNS traffic through the VPN tunnel, but not to ExpressVPN DNS servers.
What causes DNS leakage?
- 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.
- 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.
- 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.
