Oblivious DNS Deployed by Cloudflare and Apple

Over the past several years, our research group has been exposing the various privacy risks of Domain Name System (DNS) traffic and developing mechanisms to improve DNS privacy.

Briefly, the DNS is the Internet protocol that maps a domain name like uchicago.edu to an Internet address, such as 34.200.129.209. The DNS has been used for many purposes over the years beyond simply…