You can use Cloudflare DNS with a variety of setups. For an overview of what these setups are and an introduction to specific DNS terminology, refer to Concepts. With Cloudflare DNS you have the fastest response time of any DNS provider. Our DNS has unparalleled redundancy and built-in security. What Is Cloudflare 1.1.1.1? 1.1.1.1 is Cloudflare’s free DNS service, built in partnership with APNIC (Asia-Pacific Network Information Centre). APNIC owned the 1.1.1.1 IP address for years, but it was plagued with misdirected traffic from misconfigured devices. Cloudflare stepped in with a unique proposal: it would manage the DNS service using the address while helping APNIC study and reduce that problematic traffic. Since then, 1.1.1.1 has become one of the most popular DNS resolvers ... Understand key DNS concepts with Cloudflare's technical documentation. Learn about nameservers, DNS records, DNSSEC, and more.