tl;dr: No. Quite the opposite, actually — Archive.is’s owner is intentionally blocking 1.1.1.1 users.
CloudFlare’s CEO had this to say on HackerNews:
We don’t block archive.is or any other domain via 1.1.1.1. […] Archive.is’s authoritative DNS servers return bad results to 1.1.1.1 when we query them. I’ve proposed we just fix it on our end but our team, quite rightly, said that too would violate the integrity of DNS and the privacy and security promises we made to our users when we launched the service. […] The archive.is owner has explained that he returns bad results to us because we don’t pass along the EDNS subnet information. This information leaks information about a requester’s IP and, in turn, sacrifices the privacy of users.
I am mainly making this post so that admins/moderators at BeeHaw will consider using archive.org or ghostarchive.org links instead of archive.today links.
Because anyone using CloudFlare’s DNS for privacy is being denied access to archive.today links.
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https://news.ycombinator.com/item?id=19828702
Here’s the full comment on HackerNews, the article quoting him only had the snippet. The larger comment makes more sense. Emphasis mine.
So it’s really more about metadata related to the IP, like geolocation.
Couldn’t they just put that as the EDNS?
Interesting, thanks
That . . . really looks like a game of DNS chicken. In Cloudflare’s place, I’d just shrug, provide garbage EDNS data that meets the technical requirements (probably pointing at archive.is’s own location), and move on, but they’re apparently too wrapped up in their principles to blink first.
This is all disappointing, to say the least, but I’m convinced. I won’t be using archive.today anymore.