> Dear Cloudflare, please turn on ECS by default.<p>Cloudflare has made it clear that they won't. From <a href="https://developers.cloudflare.com/1.1.1.1/nitty-gritty-details/" rel="nofollow">https://developers.cloudflare.com/1.1.1.1/nitty-gritty-detai...</a> ,<p>> 1.1.1.1 is a privacy centric resolver so it does not send any client IP information and does not send the EDNS Client Subnet Header to authoritative servers