IIRC the block was on archive.today's side as a protest against 1.1.1.1 intentionally not supporting ECS.
https://news.ycombinator.com/item?id=36971650
https://news.ycombinator.com/item?id=19828702
This is what I am referring to. But from an end-user side, one option does not work, and one does work. Then I will use the working DNS.
This is what I am referring to. But from an end-user side, one option does not work, and one does work. Then I will use the working DNS.