IPv6 Testing Tools

Test using a browser:

Test your IPv6 connectivity.
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. If you use this Firefox add-on, you'll need to "Temporarily allow all this page". This will try connecting with a literal IPv6 hexadecimal address. There may be a delay for a response , due to recent press releases about World IPv6 Day. This can happen for several reasons, but what I have heard most is that your client is using an address that is not globally routable on the Internet and therefore is not actually making the connection to this server. In Android, just type the following into your URL bar: Next, turn your VPN on and run the test again.

Test Your VPN for DNS leaks

DNS Leak Test

The solution to a DNS leak depends on the root cause. Run this test after each of the following steps to troubleshoot and patch the leak check next section for WebRTC leaks: Turn it on if available.

Change your DNS servers. You will need to manually replace the preferred and alternate DNS nameservers in your device's internet settings. The exact process to do this depends on your operating system. Sometimes it sends the converted request through a non-VPN tunnel. Flush your DNS cache.

To fix this on Windows: To fix this on Mac OSX: Use a VPN monitoring utility. Enable DNS leak protection in the settings. As these solutions cost money, they should be last resorts. 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.

Do you use NoScript? Click to see Technical Info. Fetches an object that has just an A record in DNS. This is expected to use IPv4. This is expected to use IPv6. Users not yet on the IPv6 internet are likely to see this fail. As long as it fails quickly, it will be OK - for now. This is the most important test. This verifies your browser can connect to a site that has both IPv4 and IPv6 records published.

IPv4 only hosts should connect fine using IPv4. If this test times out for any reason, it indicates trouble for World IPv6 Day. This will try connecting with a literal IPv4 numeric address. This should work for most people, unless they are running IPv6-only.

This will try connecting with a literal IPv6 hexadecimal address. The primary purpose of this test is to separate out your connectivity on IPv6 from your ability to fetch DNS for it. Validates that IPv6 requests with large packets work. This is a test of your ISP's resolver instead of a test of your host. This is not critical at this time for you to reach sites via IPv6.

Queries for a malformed AAAA record. Some routers mishandle these as "A" records, and only keep the first 32 bits. We want this test to fail to connect. Required, if you wish a response. Any information you think I might find useful what router you're using, or a firewall in the way, or type of proxy you use, etc.

This includes general feedback. The javascript based test appears to have failed. This may be browser plugin or extension related. Please indicate what browser plugins and extenions you have enabled in this browser. If you are technically minded, please open a "Command Prompt" or "cmd" window, and run these three commands: If requested, you can Send this debug info for analysis. Test IPv6 large packet pending -.

Test for buggy DNS pending -.

Please turn off your VPN, Select your preferences and 'TEST'

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