
DNS Security
DNSSEC, DNS firewall
DNS Security protects DNS infrastructure against DDoS attacks, cache poisoning, DNS hijacking, and response manipulation. The system offers authoritative DNS with built-in DNSSEC, automatically signing all records with keys managed by Cloudflare. DNS Firewall protects the customer's own DNS servers, acting as a filtering proxy for malicious traffic. The global Anycast network provides a 100% uptime SLA and query resolution in less than 20 ms for 95% of users.
Enterprise-grade protection compliant with regulatory requirements and security standards
Fast deployment with minimal resource overhead
Dedicated support from a certified partner
Easy integration with your existing infrastructure
Key features
- DNSSEC with automatic key management and rotation
- DNS Firewall as a proxy protecting origin DNS servers
- DDoS protection for DNS with unlimited mitigation
- Secondary DNS for redundancy with instant zone transfer
- Analytics showing query patterns and potential attacks
Business benefits
- 100% uptime SLA for critical DNS infrastructure
- Protection against DNS takeover and cache attacks
- Query resolution in less than 20 ms globally
- Compliance with DNSSEC requirements for .gov domains and regulated industries
- 60% reduction in DNS infrastructure costs through managed service

Why Cloudflare?
A global security and performance network handling a significant share of the world's internet traffic. Cloudflare offers DDoS protection, WAF, Zero Trust network access, secure DNS, and many other services, protecting applications, APIs, and infrastructure from threats.
Need DNS Security in your organization?
As a certified Cloudflare partner, we'll help you deploy and configure the solution.