Block dangerous, illegal, inappropriate, and bandwidth-intensive content to enforce your acceptable use policy and safeguard your network reputation.
Provide safe web browsing as an amenity to guests, backed by one of the world’s fastest DNS resolvers.
Stop backhauling Internet-bound traffic through slow, inefficient on-prem security stacks. Accelerate traffic with lightweight, cloud-native filtering.
Simply point routers or access points to Cloudflare to get started for any physical location or entity — no client software needed.
Allow or block queries based on comprehensive coverage of security risks, content categories, or application type.
Let Cloudflare do your upstream DNS resolution with multiple on-ramps for traffic from any location. Intuitive APIs and Terraform provider available to manage all Cloudflare services programmatically.
Enforce filtering protections close to end users everywhere. Cloudflare operates one of the world’s largest and fastest DNS resolvers and is designed for privacy with no retention of source IPs.
Cloudflare resolves 4+ trillion DNS queries daily. This real-time visibility across newly seen and risky domains powers AI/ML-backed threat hunting models.
In 2021, the U.S. Cybersecurity and Infrastructure Agency (CISA) chose Cloudflare as its protective DNS resolver to reduce risk across federal agencies.