It is recommended you invest in a better VPN, such as those listed above, with built-in leak protection instead of paying for additional third-party software.Currently running Windows 7 SP1 Ultimate x86. As these solutions cost money, they should be last resorts. Enable DNS leak protection in the settings. The Pro version of VPNCheck and OpenVPN Watchdog are both paid software used to protect users from VPN connection failure and other issues, including DNS leaks. v10.10 through v10.10.3: sudo discoveryutil mdnsflushcache.v10.10.4 or later: sudo killall -HUP mDNSResponder.Enter the following commands based on your version of OSX:.Go to Applications > Utilities > Terminal.Copy/paste the following and hit Enter: ipconfig /flushdns.Old DNS entries might be corrupting your DNS settings. Enter the following: netsh interface teredo set state disabled.Search for Command Prompt in your taskbar, right click it, and select 'Run as administrator'.Sometimes it sends the converted request through a non-VPN tunnel.

Teredo is a Windows tool that turns IPv6 requests into IPv4 requests. Go to the website to find the nearest DNS server address.Here are some DNS nameserver addresses (IPv4 unless otherwise stated) that are popular and reliable: The exact process to do this depends on your operating system. You can also ask your VPN provider's customer support for its DNS nameserver addresses. You will need to manually replace the preferred and alternate DNS nameservers in your device's internet settings. First, go into your VPN app's settings and look around for any option to route DNS requests to the VPN servers or enable DNS leak prevention.Run this test after each of the following steps to troubleshoot and patch the leak (check next section for WebRTC leaks): The solution to a DNS leak depends on the root cause.

Comodo leak test