It's explained here: https://community.cloudflare.com/t/archive-is-not-accessible/240133 https://community.cloudflare.com/t/archive-is-not-accessible... and h

It's explained here: https://community.cloudflare.com/t/archive-is-not-accessible/240133 https://community.cloudflare.com/t/archive-is-not-accessible... and here: https://news.ycombinator.com/item?id=19828317 https://news.ycombinator.com/item?id=19828317 Who is to "blame" is up to you, but the archive.is operator is (was?) specifically not responding to CloudFlare DNS requests. It is intentionally "broken" on the archive.is side.