--- title: F5 BIG-IP DNS Reviews meta\_title: 'F5 BIG-IP DNS Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter reviews by the users' company size, role or industry to find out how F5 BIG-IP DNS works for a business like yours. aggregate\_rating: rating\_value: 4.1 review\_count: 9 scale: '5' date\_modified: '2026-07-12' parent\_category: name: Network Security url: https://www.g2.com/categories/network-security --- # F5 BIG-IP DNS Reviews & Product Details Claimed ###### Profile Status This profile is currently managed by F5 BIG-IP DNS but has limited features. Are you part of the F5 BIG-IP DNS team? [Upgrade your plan](https://sell.g2.com) to enhance your branding and engage with visitors to your profile! F5 BIG-IP DNS is a comprehensive solution designed to enhance the performance, availability, and security of global applications by intelligently managing DNS traffic and implementing global server load balancing (GSLB. It ensures that users are directed to the most optimal server or data center, whether on-premises, co-located, or in the cloud, thereby improving user experience and resource utilization. Additionally, BIG-IP DNS safeguards DNS infrastructures against DDoS attacks and other malicious threats, maintaining uninterrupted application access. Key Features and Functionality: - Global Server Load Balancing (GSLB: Distributes user traffic across multiple servers and data centers based on factors such as location, server health, and performance, ensuring optimal application availability and responsiveness. - DNS Security: Offers robust protection mechanisms, including DNSSEC to prevent cache poisoning and man-in-the-middle attacks, and DNS firewall services to mitigate DDoS attacks and block access to malicious domains. - High Performance and Scalability: Utilizes multicore processing and DNS Express to handle high query volumes, scaling up to 100 million responses per second, effectively managing traffic spikes and large-scale DDoS attacks. - Automated Failover and Monitoring: Continuously monitors server and application health, enabling automatic failover to backup data centers or servers, ensuring consistent application availability. - Integration and Flexibility: Seamlessly integrates with existing network infrastructures, supporting various deployment options including hardware, virtual editions, and cloud-native formats, providing flexibility to meet diverse organizational needs. Primary Value and Problem Solved: F5 BIG-IP DNS addresses the critical need for reliable and secure application delivery in today's distributed and dynamic IT environments. By intelligently managing DNS traffic and implementing global server load balancing, it ensures that users are consistently directed to the best-performing and most accessible application instances. This not only enhances user experience through reduced latency and improved application responsiveness but also fortifies the DNS infrastructure against potential threats, thereby maintaining business continuity and protecting organizational reputation. * * * Seller [F5](https://www.g2.com/sellers/f5-f6451ada-8c47-43f5-b017-58663a045bc5) Discussions [F5 BIG-IP DNS Community](https://www.g2.com/products/f5-big-ip-dns/discuss) Overview by Chase Abbott Show More ## Top-Rated Alternatives [ ![Cloudflare Application Security and Performance](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Cloudflare Application Security and Performance") Cloudflare Application Security and Performance 4.5/5(686) ](https://www.g2.com/products/cloudflare-application-security-and-performance/reviews) [ ![ThreatLocker Zero Trust Platform](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "ThreatLocker Zero Trust Platform") ThreatLocker Zero Trust Platform 4.8/5(514) ](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews) [ ![Cisco Umbrella](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Cisco Umbrella") Cisco Umbrella 4.4/5(284) ](https://www.g2.com/products/cisco-umbrella/reviews) [ View All Alternatives ](https://www.g2.com/products/f5-big-ip-dns/competitors/alternatives) ## User Insights Average based on 9 real user reviews. [Log in to unlock pricing and user insights](/login) ## F5 BIG-IP DNS Integrations (1) What do users say about integrations? Integration information sourced from real user reviews. [ ![Product Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Product Avatar Image") Amazon Route 53 ](https://www.g2.com/products/amazon-route-53/reviews) Show More PG Prashant G. Senior Consultant Enterprise (\> 1000 emp.) 2/20/2026 "F5 BIG-IP DNS: Seamless Global Traffic Steering and High Availability for Zero Downtime" 4.5/5 What do you like best about F5 BIG-IP DNS? F5 BIG-IP DNS excels at intelligent global traffic steering, ensuring seamless failover and optimal path selection across data centers for zero downtime. Its high availability and granular GTM (Global Traffic Manager) policies make it a powerhouse for enterprises needing reliable, scalable DNS resolution. I particularly love how it integrates with security features like DNS firewalling to block threats while boosting performance—perfect for hybrid clouds Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? While F5 BIG-IP DNS delivers top-tier performance, I'd love for its CLI-heavy configurations to have more visual automation options—like drag-and-drop templates—to slash learning curves even further. It'd be fantastic if troubleshooting wizards auto-detected common sync issues across GTM devices during initial setup, saving hours on multi-site deployments. Enhancing out-of-box DNSSEC signing defaults would make compliance rollouts smoother too, turning a solid tool into an instant enterprise favorit Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? F5 BIG-IP DNS solves global traffic routing chaos and DDoS vulnerabilities by delivering hyperscale GSLB, auto-failover to healthy data centers, and DNSSEC security—boosting my app uptime to 99.99%, slashing latency by 40%, and ensuring seamless user experience worldwide Review collected by and hosted on G2.com. Show More 6/2/2026 Validated ReviewerIncentivizedSource: G2 invite ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") UI Verified User in Information Technology and Services Mid-Market (51-1000 emp.) 6/18/2026 "Easy GSLB Configuration Setup with F5 Big IP DNS" 4.5/5 What do you like best about F5 BIG-IP DNS? The best about F5 Big IP DNS is its easy configuration setup for GSLB. Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? Dislike is while automating usecases of F5 Big IP DNS, API Documentation is not getting updated with the latest details. So many APIs are missing in the documentation. Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? Inorder to route the traffic through multiple Data Centers, F5 Big IP DNS is a major thing to setup for managing load balancing in network traffic Review collected by and hosted on G2.com. Show More Our network of Icons are G2 members who are recognized for their outstanding contributions and commitment to helping others through their expertise.G2 Icon 6/22/2026 Current UserValidated ReviewerSource: Organic Review from User Profile ![Ümit G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Ümit G.") ÜG Ümit G. Senior Information Technology Security Consultant Mid-Market (51-1000 emp.) 9/16/2025 "Most robust GSLB" 5/5 What do you like best about F5 BIG-IP DNS? What I like best about F5 BIG-IP DNS is its intelligent global server load balancing (GSLB) capabilities, which dynamically route users to the optimal data center or cloud resource based on real-time factors like location, server health, and application performance. This is not only minimizes latency and boosts end user experience but also ensures high availability during high traffic or traffic failures, making it a game changer for distributed environments. Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? One thing I dislike about F5 BIG-IP DNS is its complexity, which can be a hurdle for teams without deep expertise. The steep learning curve for configuration and management, especially for advanced features like GSLB or DNS security, often requires specialized training. And old fashined configuration GUI should be changed. Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? F5 BIG-IP DNS solves key issues like global traffic management, high availability, DNS security, scalability, and hybrid/multicloud integration of our customers. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite RS Richard S. Information Security Supervisor Consulting Small-Business (50 or fewer emp.) 12/11/2023 "Complicating Global Load Balancing" 2.5/5 What do you like best about F5 BIG-IP DNS? It lacks the reliability and security. In situations where network congestion occurs, it is unable to consistently connect me to servers within minutes. It seems overwhelming initially the poor features of this product make the effort of setting it up worthless. Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? F5 BIG IP DNS lacks connectivity options for work which can pose problems when trying to connect to office servers during the pandemic. The process of adding protection to resources is also time consuming and cumbersome. Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? The management interface is less user friendly it lacks configuration options that need increased flexibility. Customer support services from F5 are unsatisfactory. Have room for improvement, in terms of service quality. F5 BIG IP DNS is unable to solve the issue of managing traffic across data centers. Our websites availability and performance have decreased. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ![Sonal G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sonal G.") SG Sonal G. Staff Engineer Enterprise (\> 1000 emp.) 8/24/2023 "Providing secure connection to servers" 4/5 What do you like best about F5 BIG-IP DNS? F5 helps us connect to our company's domain easily when we cannot be in the office and working from home. So, whenever we are required to access applications available on office ethernet only, we use F5 to connect remotely to the SAP server and access those applications. Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? It is extremely slow at times due to which connecting to internal servers via it can even take up to a few minutes on some days. And on other days, it is so crowded network-wise, that it just doesn't connect at all. Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? Working remotely an being unable to connect to office ethernet during COVID was a major challenge, but F5 Big IP is helping us to connect to servers remotely and securely and proceed with the tasks without being physically in office. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerSource: Organic ![Verified User in Accounting](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Accounting") UA Verified User in Accounting Mid-Market (51-1000 emp.) 6/7/2023 "Exceptional performance and reliability." 3.5/5 What do you like best about F5 BIG-IP DNS? One of the standout features of F5 BIG-IP DNS is its remarkable scalability. Whether you're operating in a small environment or managing a global infrastructure, this solution seamlessly adapts to your needs. It supports efficient scaling through the use of a distributed architecture, allowing you to add additional DNS servers as your requirements grow. F5 BIG-IP DNS also offers flexible deployment options, including physical, virtual, and cloud-based configurations, further enhancing its scalability and adaptability. Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? Sometimes it disconnects on its own. Some servers work and others don't. Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? Intuitive and user-friendly management interface that simplifies the configuration and administration process. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: G2 invite ![Arijit G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Arijit G.") AG Arijit G. Technical Specialist Enterprise (\> 1000 emp.) 4/7/2023 "F5 vpn review" 4/5 What do you like best about F5 BIG-IP DNS? VPN is stable and doesn't disconnect easily unless network drips a lot Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? The application seems outdated. The app should be more easier to be installed Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? its helps to manage work from anywhere easy Review collected by and hosted on G2.com. Show More 4/14/2023 Validated ReviewerIncentivizedSource: G2 invite ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") UI Verified User in Information Technology and Services Enterprise (\> 1000 emp.) 6/17/2022 "Connect with Big-ip" 4.5/5 What do you like best about F5 BIG-IP DNS? Easy to install and configure.Auto connect is a good addon. Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? Takes time to connect to the network and also there are network drops in between Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? We connect to the client network with the help of big ip so the network stays secure. Review collected by and hosted on G2.com. Show More 6/22/2022 Validated ReviewerIncentivizedSource: G2 invite ![Verified User in Hospital & Health Care](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Hospital & Health Care") AH Verified User in Hospital & Health Care Enterprise (\> 1000 emp.) 11/1/2019 "Review for F-5 GSLB" 4/5 What do you like best about F5 BIG-IP DNS? It is very useful for global load balance. Well designed product(switches) with lots of features. Review collected by and hosted on G2.com. What do you dislike about F5 BIG-IP DNS? It requires specific skills to manage, very complex administration. Review collected by and hosted on G2.com. Recommendations to others considering F5 BIG-IP DNS: Great product, get the support services from F5 Review collected by and hosted on G2.com. What problems is F5 BIG-IP DNS solving and how is that benefiting you? Used as global load balancing. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: G2 invite ## Questions about F5 BIG-IP DNS? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about F5 BIG-IP DNS ](https://www.g2.com/products/f5-big-ip-dns/discussions/new) GU Guest User What is F5 BIG-IP DNS used for? 0 Upvotes 0 [ Join the conversation ](https://www.g2.com/discussions/what-is-f5-big-ip-dns-used-for) [ View all Discussions ](https://www.g2.com/products/f5-big-ip-dns/discuss) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. 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