Comment by finnigja

Not hard, just different. Maybe the "harder" bit is actually remembering any one address.

My IPv6 connectivity tester at https://ready.chair6.net is still doing its thing, twelve years since https://news.ycombinator.com/item?id=2154124.

Looks like Hacker News has added support in five years since https://news.ycombinator.com/item?id=21382275.