Hi,

I can highly recommend https://ip6.biz/ by Zotan (may or may not be on this list), even though its style more closely resembles https://ipv6-test.com/ .

It is also open source, so could be hosted by others if the license is not too incompatible: https://git.ztn.sh/zotan/ip6.biz

Thanks

Max

On 05 October, 2025 10:41 CEST, Geert Jan de Groot via ipv6-wg <ipv6-wg@ripe.net> wrote:

 

Hi folks,

In past years, I have used https://test-ipv6.com/ as a quick "sanity 
test" when connecting to a network, using a guest network, or to check 
network configuration after making changes. I found it very useful for 
quick tests.

Unfortunately, jfesler is announcing sunsetting the project, see 
https://retire.test-ipv6.com/.

In the FAQ, it is mentioned "Q: Will I (jfesler) transfer the domain?
A: I’d consider a reputable RIR or NIC organization serving the public 
interest taking things over."

I wonder if a RIR or NIC organisation would consider taking over to run 
the service. I think it is too useful to just disappear, there are still 
too many not-quite-IPv6 networks, and personally I hope I don't lose the 
service.

Thoughts, anyone?

Geert Jan

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