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F5 BIG-IP DNS Reviews

Vendor: F5
4.3 out of 5
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What is F5 BIG-IP DNS?

F5® BIG-IP® DNS distributes DNS and user application requests based on business policies, data center and cloud service conditions, user location, and application performance. BIG-IP DNS is commonly configured as a full proxy to provide global server load balancing (GSLB) for applications and DNS across architectures, and across the globe.

The BIG-IP platform delivers DNS services with visibility, reporting, and analysis; scales and secures DNS responses geographically to survive increased traffic or threats; delivers a real-time DNSSEC solution; designed to provide availability of global applications in all cloud environments.

Get the F5 BIG-IP DNS Buyer's Guide and find out what your peers are saying about F5 BIG-IP DNS, Cisco Umbrella, Infoblox Advanced DNS Protection and more!
F5 BIG-IP DNS is the #6 ranked solution in top Domain Name System (DNS) Security solutions. PeerSpot users give F5 BIG-IP DNS an average rating of 8.6 out of 10. F5 BIG-IP DNS is most commonly compared to Cisco Umbrella: F5 BIG-IP DNS vs Cisco Umbrella. F5 BIG-IP DNS is popular among the large enterprise segment, accounting for 61% of users researching this solution on PeerSpot. The top industry researching this solution are professionals from a financial services firm, accounting for 11% of all views.
Buyer's Guide
F5 BIG-IP DNS
March 2026
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F5 BIG-IP DNS mindshare

As of March 2026, the mindshare of F5 BIG-IP DNS in the Domain Name System (DNS) Security category stands at 4.5%, down from 5.1% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Domain Name System (DNS) Security Mindshare Distribution
ProductMindshare (%)
F5 BIG-IP DNS4.5%
Cisco Umbrella20.5%
Infoblox Advanced DNS Protection10.7%
Other64.3%
Domain Name System (DNS) Security

PeerResearch reports based on F5 BIG-IP DNS reviews

TypeTitleDate
CategoryDomain Name System (DNS) SecurityMar 28, 2026Download
ProductReviews, tips, and advice from real usersMar 28, 2026Download
ComparisonF5 BIG-IP DNS vs Cisco UmbrellaMar 28, 2026Download
ComparisonF5 BIG-IP DNS vs Cisco Secure AccessMar 28, 2026Download
ComparisonF5 BIG-IP DNS vs Infoblox Advanced DNS ProtectionMar 28, 2026Download
Suggested products
TitleRatingMindshareRecommending
Cisco Umbrella4.420.5%97%123 interviewsAdd to research
Infoblox Advanced DNS Protection4.110.7%93%18 interviewsAdd to research
 
 
Key learnings from peers
Last updated Mar 27, 2026

Valuable Features

F5 BIG-IP DNS excels in DNS security, DDoS protection, and speed. Key attributes include Global Traffic Manager, DNS monitoring, load balancing, and scalability. It integrates with existing infrastructure and is easy to configure. The script language is flexible, aiding complex balancing. Data centers benefit from Global Server Load Balancing, enhancing efficiency. Stability and cost-effectiveness are highlighted, making it an efficient choice for handling global traffic and ensuring application protection from cyber threats.
  • "F5 provides us with a mechanism to accomplish complex product balancing."
  • "F5 BIG-IP DNS is useful, depending on how you use it."
  • "The most valuable features are DNS security and the speed of operations."

Room for Improvement

F5 BIG-IP DNS needs simplified integration with NGINX and VMware. High pricing limits competitiveness and ease of use requires improvement. Cloud integration with security features is lacking and porting functions are inadequate. Effective monitoring needs enhancement while user training and documentation require expansion. Users encounter scalability issues and seek a cloud version. Pricing remains a concern and DNS security capabilities should be enhanced. Support is slow, requiring quicker responses for critical situations.
  • "Hand management and working with rules are two areas that need to be improved."
  • "The solution is complicated to use."
  • "Scalability is a concern, it could be improved."

ROI

Users reported that F5 BIG-IP DNS significantly improved their network performance and reliability. They noted a reduction in latency and quicker response times. They appreciated the scalability and the robust traffic management capabilities. Some mentioned the tool's ease of integration with existing systems. Users found the investment worthwhile due to enhanced control over traffic distribution and increased system uptime, leading to a positive impact on their operational efficiency.

Pricing

F5 BIG-IP DNS pricing is considered expensive compared to other solutions like Citrix and Fortinet. Licensing options include both perpetual and subscription-based models, with on-prem available yearly and cloud offered daily. Users rate pricing between three and five on a scale, acknowledging the costliness but noting its value due to a comprehensive feature set. Additional costs may arise for features such as full DDoS protection, which require extra licenses.
  • "You cannot do much around DDoS protection without an additional license from F5."
  • "I would rate the pricing a three out of ten, with ten being a low price."
  • "They are competitively priced."

Popular Use Cases

F5 BIG-IP DNS is primarily used for high availability applications, global and local traffic management, security, and load balancing. Users employ it for DNS server replacement, reverse proxy authentication, cache purposes, and disaster recovery scenarios. It secures DNS records, balances server load, handles global traffic, protects against malicious activities, and supports data centers. Users leverage its advanced features for managing web applications, configuring DNS services, and achieving scalability and security across environments.

Service and Support

F5 BIG-IP DNS customer service and support are consistently praised for being responsive, knowledgeable, and helpful, with strong pre-sales to post-deployment assistance. Most users rate the support highly, appreciating its readiness to address issues promptly. While some find response times slow or complex, many commend the automatic issue analysis system and self-check capabilities. Third-party management is noted in some instances, with support generally rated between 8 and 10 out of 10.

Deployment

The initial setup of F5 BIG-IP DNS can range from straightforward to complex, depending on factors such as team expertise and project scope. While some users find it simple with adequate documentation, others perceive it as challenging due to documentation gaps. Deployment time varies from a few minutes to several months, largely influenced by network complexity and prior experience. A knowledgeable team and clear task understanding significantly expedite the process.

Scalability

Many find F5 BIG-IP DNS highly scalable, appreciating its flexibility in handling growing traffic and users. Some users have scaled it effectively in various environments. Others note limitations, preferring virtual editions like NGINX for better flexibility. While a few express concerns about scalability due to hardware constraints, many rate it highly, acknowledging its ability to manage large user bases and workloads efficiently, especially in cloud deployments, with some rating it ten out of ten for scalability.

Stability

F5 BIG-IP DNS is described as highly stable, with no major issues reported. Users rate its stability between eight and ten out of ten, citing no bugs, glitches, or crashes. It is often compared favorably to Loadbalancer and Citrix in terms of dependability. Users appreciate its reliability over more than 12 years in the market, noting it fulfills stability expectations. Proper setup ensures its consistent performance without unresponsiveness or server failures.
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Download our F5 BIG-IP DNS Buyer's Guide for additional reliable information.

Review data by company size

By reviewers
Company SizeCount
Small Business8
Midsize Enterprise3
Large Enterprise9
By reviewers
By visitors reading reviews
Company SizeCount
Small Business47
Midsize Enterprise32
Large Enterprise122
By visitors reading reviews

Top industries

By visitors reading reviews
Financial Services Firm
11%
Computer Software Company
10%
Manufacturing Company
9%
Retailer
7%
Educational Organization
6%
Government
5%
University
5%
Outsourcing Company
5%
Comms Service Provider
5%
Energy/Utilities Company
4%
Healthcare Company
4%
Marketing Services Firm
4%
Insurance Company
4%
Construction Company
4%
Performing Arts
3%
Non Profit
2%
Media Company
2%
Real Estate/Law Firm
2%
Legal Firm
1%
Logistics Company
1%
Consumer Goods Company
1%
Hospitality Company
1%
Transportation Company
1%

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Learn more about F5 BIG-IP DNS

F5 BIG-IP DNS was previously known as F5 BIG-IP DNS, F5 DNS Delivery.

F5 BIG-IP DNS customers

Ricacorp Properties, Bangladesh Post Office, Shawbrook Bank, Shinsegae Internet Duty Free

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Product Categories

Product Categories
Domain Name System (DNS) Security

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F5 BIG-IP DNS Reviews Summary
Author infoRatingReview Summary
Associate Consultant at HCLSoftware4.5I rely on F5 BIG-IP DNS for global load balancing, ensuring maximum availability and performance via intelligent traffic steering. It's stable, scalable, and offers strong ROI, but I'd like a modernized UI and lower costs.
Solutions Architect at a tech services company with 51-200 employees4.0I use F5 BIG-IP DNS mainly for DNS security, GSLB, and load balancing. It's stable, scalable, and offers high ROI, though it could improve in DNS-specific and DDoS protection compared to specialized vendors.
Sr. Architect at NBC Universal4.0We use F5 BIG-IP DNS for internal and global DNS services, benefiting from its robustness and seamless integration with our F5 infrastructure. Though analysis services need improvement, we have seen significant cost savings and minimized disruptions with its deployment.
Senior Network Specialist at Intuitive Technology Partners4.5I deploy F5 BIG-IP DNS for managing global sites at our data center. While it's superior to Citrix NetScaler in load balancing, its porting functionality needs improvement. Despite this, its unmatched performance and scalability make it a market leader.
Sr. Network Engineer at Tekboox4.0In the review of F5 BIG-IP DNS, I highlighted its GTM feature for effective traffic load balancing across multiple data centers. While its identity management needs improvement for Zero Trust architectures, its unique load balancing capabilities are unmatched by competitors.
- at a computer software company with 51-200 employees5.0F5 BIG-IP DNS excels in application delivery and DNS security with a flexible scripting language for custom traffic management. While its configuration is complex and demands expertise, it surpasses cloud solutions like Cloudflare in flexibility and feature customization.
Network and Security Engineer at CITG5.0I use F5 BIG-IP for modules like LTM, ASM, ABM, and DNS, appreciating its scalability, high availability, and application protection. However, support response time needs improvement. I have evaluated similar solutions from Citrix and Fortinet.
Sub Divisional Engineer NOC Bangalore at Bharat Sanchar Nigam Limited4.5I find F5 BIG-IP DNS excellent for caching, praising its strong security and DDoS mitigation. While stable and scalable, I wish for improved brand awareness, more pre-installation training, and enhanced command-and-control blocking features.