Dns 3.3.3.3 !free!

in a network config and wondered where it points? Unlike the famous public resolvers from Google or Cloudflare, 3.3.3.3 isn't a public DNS service you'd usually use for speed. Who owns it?

DNS, the Domain Name System, is often called the phonebook of the internet. It translates the names we understand—like example.com —into the numbers computers need to find each other. Without it, we would be forced to memorize long strings of digits to visit a website or send an email. But “3.3.3.3” is not just any address. It is a specific destination: a public recursive DNS resolver operated by a company called Quad9. It promises privacy, security, and speed. It is a door, standing open, asking for no password. dns 3.3.3.3