Re:Via-ipv6.com: enabling IPv4 sites for IPv6 only networks
by noipv6 on Thursday October 17, 2019 @02:27PM
(#21284988)
6to4 has been de-preferenced by most operating systems.
what isps provide 6to4 tunnels, or even 6in4 tunnels (which i can only assume you meant?)
(agreed on the proxying point, you'd have to explicitly trust the proxy operator)
Your should use the 6to4 tunnel provided by your ISP instead.