F5 BIG-IP DNS
DNS security solutions
Network security software
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What is F5 BIG-IP DNS
F5 BIG-IP DNS is an enterprise DNS and global server load balancing (GSLB) product delivered as part of the BIG-IP platform. It helps organizations provide resilient DNS resolution and steer users to the best available application endpoint across data centers and cloud environments based on health checks and policy. It is typically used by network and security teams that operate authoritative DNS, require high availability, and need integration with application delivery and traffic management controls.
Integrated GSLB and DNS
BIG-IP DNS combines authoritative DNS services with global traffic steering based on application and server health. It supports policy-based responses (for example, geography, topology, or performance) to direct clients to appropriate endpoints. This is useful for multi-site and hybrid deployments where DNS decisions need to reflect real-time service availability.
Tight BIG-IP ecosystem integration
The product integrates with other BIG-IP modules and iRules for traffic management and operational consistency on the same platform. Organizations already standardizing on BIG-IP can reuse tooling, operational processes, and platform knowledge. This can simplify deployment patterns compared with adopting a separate DNS stack.
Enterprise deployment options
BIG-IP DNS is commonly deployed as an on-premises appliance or virtual edition, fitting environments with strict network control requirements. It supports high-availability architectures and centralized management patterns used in large enterprises. This aligns with use cases where DNS is treated as critical infrastructure rather than a fully managed service.
Higher operational complexity
Deploying and maintaining BIG-IP DNS typically requires specialized network expertise and ongoing tuning of health monitors, policies, and HA design. Compared with cloud-managed DNS services, day-to-day operations can involve more infrastructure management. This can increase time-to-value for smaller teams.
Platform and licensing cost
BIG-IP DNS is generally purchased and licensed as part of the BIG-IP ecosystem, which can be costly relative to simpler DNS-only offerings. Total cost often includes platform capacity, support, and potential add-on modules. Budgeting can be less straightforward than consumption-based managed DNS services.
Less cloud-native by design
While virtual editions can run in cloud environments, the product is primarily designed around the BIG-IP platform model rather than a fully cloud-native control plane. Organizations seeking API-first, developer-centric DNS workflows may find it less aligned with modern GitOps patterns. Some advanced DNS analytics and rapid feature delivery may be stronger in SaaS-first DNS platforms.
Plan & Pricing
Official pricing summary (from F5 official site):
Pricing model(s) described on vendor site (no list prices published):
- Subscription: 1-, 2-, or 3-year term subscription options referenced (includes maintenance/support). (F5 "Subscriptions" buying option).
- Perpetual licensing: Perpetual licenses are offered (requires purchasing license and support). (F5 "Perpetual Licensing" buying option).
- Enterprise Licensing Agreements (ELA): 3-year enterprise agreements available for large organizations. (F5 "Enterprise Licensing Agreements").
- Cloud / Pay-as-you-go: BIG-IP Virtual Edition (VE) is available via cloud marketplaces with hourly / PAYG consumption options (F5 references cloud marketplace offerings but does not list marketplace prices on F5 site).
- Virtual Edition (VE) and trial: BIG-IP VE is available and F5 provides a 30-day free trial for BIG-IP VE and BIG-IQ VE.
Official site guidance: F5’s public product pages (BIG-IP / BIG-IP DNS) do not publish list prices for BIG-IP DNS or module add-ons. Visitors are directed to "Contact us", "Find a reseller", or "Explore buying options" to obtain specific pricing and procurement guidance.
(Notes: This summary is drawn only from F5’s official website pages for BIG-IP / BIG-IP DNS / BIG-IP Virtual Edition and F5 product trials.)
Seller details
F5, Inc.
Seattle, Washington, USA
1996
Public
https://www.f5.com/
https://x.com/f5
https://www.linkedin.com/company/f5/
