https://one.one.one.one/
https://developers.cloudflare.com/1.1.1.1/encryption/dns-over-https/encrypted-dns-browsers/
https://developers.cloudflare.com/warp-client/get-started/linux/
    https://pkg.cloudflareclient.com/
    curl -fsSl https://pkg.cloudflareclient.com/cloudflare-warp-ascii.repo | sudo tee /etc/yum.repos.d/cloudflare-warp.repo
    sudo dnf update
    sudo dnf install cloudflare-warp

    warp-cli --help
    warp-cli registration new
    warp-cli status
    warp-cli disconnect
    warp-cli connect
    curl https://www.cloudflare.com/cdn-cgi/trace/
        and verify that warp=on.

    warp-cli mode --help
    warp-cli mode doh
    warp-cli mode warp+doh

Mozilla Firefox
    Select the menu button > Settings.
    In the Privacy & Security menu, scroll down to the Enable secure DNS using: section.
    Select Increased Protection or Max Protection. By default, it will use the Cloudflare provider.
    If this is not the case, select Cloudflare in the Choose Provider dropdown.
Google Chrome
    Select the three-dot menu in your browser > Settings.
    Select Privacy and security > Security.
    Scroll down and enable Use secure DNS.
    Select the With option, and from the drop-down menu choose Cloudflare (1.1.1.1).

2025
https://habr.com/ru/articles/891374/
2018
https://hacks.mozilla.org/2018/05/a-cartoon-intro-to-dns-over-https/
    https://habr.com/post/413515/