It's pretty well documented that archive's owner doesn't like the way Cloudflare reports EDNS for 1.1.1.1, and causes problems for people who come via that dns:
and its pretty undocumented that cloudflare has blocked all tor users plus any other major shared IP since 2010 and only in 2018 added the condition i mentioned above, and you still get blocked from all cloudflare sites if you do anything special like change your user agent or the Accept header