Boost app performance and availability with F5 DNS delivery

F5 DNS delivery hyperscales and secures your infrastructure during high query volumes and DNS DDoS attacks—making sure your apps are highly available between multiple instances and across hybrid environments.

DNS delivery

Improve the performance and availability of your global applications—while hyperscaling and securing your DNS infrastructure from DDoS attacks.

Speed and security

Hyperscale up to 100 million responses per second (RPS) to manage rapid increases in DNS queries. With a set of features that includes multicore scalability, DNS Express, and IP Anycast integration, DNS delivery can handle millions of DNS queries, protects your business from DDoS attacks, and ensures top application performance for users.

Scale as you grow

Get flexible global application management in virtual and cloud environments. The web-based UI provides easy DNS configuration with centralized menus; advanced logging, statistics, and reporting; and a single point of control for your DNS delivery requirements.

Integrates with your infrastructure

Integrate with DNS zone management solutions, increase DNS performance at the network edge, and mask the DNS back-end infrastructure. That translates into higher productivity, server consolidation, faster responses, and protected DNS management.

Scaling DNS Services with BIG-IP DNS for Service Providers

F5 offers a hyperscale and secure DNS solution for service providers that allows for faster web browsing and reduced latency. This improves subscribers’ user experience and leads to reduced churn and increased revenues. Visibility into DNS and applications means that their health, optimization, and protection can be maximized.

Superior DNS performance

Superior DNS performance

Manage query responses with multicore scalability, handling spikes in DNS query volumes.    

DNS firewall services

DNS firewall services

Validate query requests, mitigates malicious communications, absorbs DDoS attacks, and more.   

DNSSEC protection

DNSSEC protection

Protect LDNS servers from cache poisoning and man-in-the-middle attacks with real-time DNSSEC. 

Always-on  availability

Always-on availability

Distribute app traffic to keep pace with changing network and user volumes. 

Wide area persistence

Wide area persistence

Automatically synchronize data, propagate local DNS, and maintain session integrity to ensure user connections persist across apps and data centers.

IP Anycast integration

IP Anycast integration

Improve performance and reduce network latency by distributing the DNS request load and directing single IP requests to multiple local devices.

High-speed logging

High-speed logging

Get high-speed logging of DNS queries and responses to enable fast network recognition with quick, deep search and display. 

DNS health monitor

DNS health monitor

Detect whether DNS servers are operating at peak performance to help reconfigure for optimal responses. 

Customer story

Heritage Bank Improves DDoS Protection

Deploy however you want

F5 Cloud Services

Get the app services you need, faster. F5 provides DNS delivery through cloud-native, automated, self-service solutions.

Virtual editions

BIG-IP VEs have the same DNS delivery features as BIG-IP modules that run on F5 hardware—and you can deploy them on any hypervisor or select cloud provider.


Both the BIG-IP family of devices and the VIPRION chassis are powerful hardware options purpose-built to run F5 software.

Lightboard lesson

Intro to DNS load balancing

Get Started

Contact F5 Sales

We can assess your needs and connect you with the right cloud provider, reseller partner, or an F5 Sales Engineer.

Start a trial

Experience F5 in action by testing our products in your pre-production environment.

Find a reseller

We’re dedicated to building partnerships that drive your business forward.