Test result
IPv4Testing…—
IPv6Testing…—
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How to read the result
If IPv4 works but IPv6 does not, your connection still relies primarily on IPv4. If both work, the connection is commonly described as dual stack. A temporary failure of a test endpoint can still create a false negative.
Why test both?
IPv4 and IPv6 can follow different network paths. Router, firewall or ISP configuration can therefore break one while the other continues to work.