# F5 BIG-IP DNS F5 BIG-IP DNS is a DDoS Mitigation product by F5. It runs in the cloud or on-premises (hybrid). Pricing is commercial (contact sales). DNS and Global Server Load Balancing solution with DDoS protection Checked October 2026. ## What is F5 BIG-IP DNS? F5 BIG-IP DNS is a DNS and Global Server Load Balancing (GSLB) solution that provides authoritative DNS services with high-performance query response capabilities. The product scales up to 100 million responses per second (RPS) and includes DNS Express functionality that can handle over 50 million RPS by offloading DNS responses. The solution offers traffic steering capabilities that direct users to optimal servers based on business policies, user locations, and application performance metrics. It supports geolocation-based load balancing and enables routing to the nearest data center for improved user experience. BIG-IP DNS includes security features such as DDoS protection against volumetric attacks, DNSSEC support to prevent cache poisoning and man-in-the-middle attacks, and DNS over HTTPS (DoH) and DNS over TLS (DoT) capabilities. When combined with BIG-IP AFM, it provides protection against UDP floods and amplification attacks. The product features DNS caching that can reduce latency by up to 80 percent and includes built-in DNS resolving capabilities. It supports IP Anycast integration for load distribution and offers flexible deployment options including Active/Active, Active/Passive, and Active/DR configurations. BIG-IP DNS provides health monitoring for applications and network endpoints, automated failover capabilities for data centers or individual applications, and supports 3G, 4G, and 5G 3GPP with NAPTR DNS nodes. The solution is available as hardware appliances, virtual editions for hypervisors and cloud providers, and cloud-native formats (CNF). The platform integrates with network infrastructure components including SNMP agents, third-party caches, servers, routers, and load balancers for health diagnostics and management. Tags: DDoS, DNS Security ## Where it fits in your security program (NIST CSF 2.0) - [Protect](https://cybersectools.com/guides/building-protect-program-small-team): helps you prevent attacks and keep data safe. ## Quick facts - Category: [Network Security](https://cybersectools.com/categories/network-security) ยท [DDoS Mitigation](https://cybersectools.com/categories/ddos-mitigation) - Vendor: [F5](https://cybersectools.com/companies/f5) - Deployment: Hybrid - Company size fit: Mid-Market, Enterprise - Pricing: Contact sales - Features: 10 listed - Integrations: 6 listed - Website: f5.com The full feature and integration lists are on the page for signed-in visitors. ## Where it ranks No shortlist covers this product's category yet. The closest is [Best SASE Solutions for Business](https://cybersectools.com/shortlists/best-sase-solutions). ## F5 BIG-IP DNS FAQ ### What is F5 BIG-IP DNS? F5 BIG-IP DNS is a product by F5 in the DDoS Mitigation category. It covers DDoS and DNS Security. ### What is the pricing for F5 BIG-IP DNS? F5 BIG-IP DNS is a commercial product. For pricing, visit https://f5.com/products/big-ip-services/big-ip-dns/ or contact F5. ### What are alternatives to F5 BIG-IP DNS? Alternatives to F5 BIG-IP DNS listed on CybersecTools: 1. [Akamai Edge DNS](https://cybersectools.com/tools/akamai-edge-dns) - Cloud-based DNS service with DDoS protection and traffic management (Commercial) 2. [Infoblox DNS Infrastructure Protection](https://cybersectools.com/tools/infoblox-dns-infrastructure-protection) - Protects DNS infrastructure from DDoS and DNS-based attacks (Commercial) 3. [Link11](https://cybersectools.com/tools/link11) - EU-based DDoS protection and web application security platform (Commercial) 4. [Nexusguard DNS Protection](https://cybersectools.com/tools/nexusguard-dns-protection) - DNS-focused DDoS protection service with scrubbing centers (Commercial) 5. [Secure64 Vizion](https://cybersectools.com/tools/secure64-vizion) - Managed DNS security service protecting DNS infrastructure from attacks and outages. (Commercial) Compare all F5 BIG-IP DNS alternatives at [https://cybersectools.com/alternatives/f5-big-ip-dns](https://cybersectools.com/alternatives/f5-big-ip-dns) ### What deployment and organization size does F5 BIG-IP DNS fit? F5 BIG-IP DNS is available as cloud or on-premises (hybrid). It is listed for mid-market companies and enterprises. Pricing is commercial. Ask F5 for pricing and support terms. ## Compare F5 BIG-IP DNS with similar solutions - [F5 BIG-IP DNS vs Akamai Edge DNS](https://cybersectools.com/compare/akamai-edge-dns-vs-f5-big-ip-dns) - [F5 BIG-IP DNS vs Infoblox DNS Infrastructure Protection](https://cybersectools.com/compare/f5-big-ip-dns-vs-infoblox-dns-infrastructure-protection) - [F5 BIG-IP DNS vs Link11](https://cybersectools.com/compare/f5-big-ip-dns-vs-link11) All alternatives to F5 BIG-IP DNS: [/alternatives/f5-big-ip-dns](https://cybersectools.com/alternatives/f5-big-ip-dns) --- Source: https://cybersectools.com/tools/f5-big-ip-dns For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL). More on F5 BIG-IP DNS and F5: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md