Archive.is/Archive.today is currently embroiled in a petty battle against CloudFlare DNS users, which is, imho, contrary to the spirit of an "archive" that is supposed to serve as a backup for things. I would rather support essentially any other service than one that actively tampers with DNS resolution for petty reasons.
https://community.cloudflare.com/t/1-1-1-1-does-not-resolve-...