Same/similar working mechanism is built-in into Windows since Vista: 1234-5678--abcd.ipv6-literal.net This doesn't even need functioning DNS and can work offlin

Same/similar working mechanism is built-in into Windows since Vista: 1234-5678--abcd.ipv6-literal.net This doesn't even need functioning DNS and can work offline (add s<devnumber> for link-local addresses).