Google's take good care of it... and they explain precisely what they do on the topic... https://developers.google.com/speed/public-dns/docs/ecs https://develo

Google's take good care of it... and they explain precisely what they do on the topic... https://developers.google.com/speed/public-dns/docs/ecs https://developers.google.com/speed/public-dns/docs/ecs https://developers.google.com/speed/public-dns/faq#locations https://developers.google.com/speed/public-dns/faq#locations (when EDNS0/ECS isn't supported) The tin foil hat brigade might suggest that this is deliberate to ensure that only what's served by cloudflare gets to be fast...