DNS leak test (and quick fixes)
3 min read
Intermediate
Troubleshooting
Quick Overview
Test and fix DNS leaks quickly
Detailed Guide
DNS leaks can expose your browsing activity even when using a VPN. Here's how to test and fix them.
What is a DNS leak?
When your device uses your ISP's DNS servers instead of your VPN's, your browsing activity can be visible to your ISP.
How to test for DNS leaks:
- Visit a DNS leak test site (like dnsleaktest.com)
- Check the results - you should only see your VPN's DNS servers
- Test multiple times to ensure consistency
Common causes:
- Windows: IPv6 leaks, split tunneling
- macOS: IPv6 leaks, certain network configurations
- Linux: System DNS settings
- Mobile: App-specific DNS settings
Quick fixes:
- Disable IPv6 on your device
- Use your VPN's DNS servers exclusively
- Enable DNS leak protection in your VPN app
- Check split tunneling settings
Warning: Some networks (schools, workplaces) may force their own DNS servers, making leaks unavoidable.
Key Takeaways
This guide covers the essential aspects of dns leak test (and quick fixes). Apply these principles to enhance your privacy and security setup.
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