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EfficientIP DNS Guardian vs F5 BIG-IP DNS comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Aug 12, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

EfficientIP DNS Guardian
Ranking in Domain Name System (DNS) Security
14th
Average Rating
7.6
Reviews Sentiment
7.1
Number of Reviews
3
Ranking in other categories
No ranking in other categories
F5 BIG-IP DNS
Ranking in Domain Name System (DNS) Security
7th
Average Rating
8.6
Reviews Sentiment
8.0
Number of Reviews
22
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Domain Name System (DNS) Security category, the mindshare of EfficientIP DNS Guardian is 2.9%, down from 5.2% compared to the previous year. The mindshare of F5 BIG-IP DNS is 3.2%, down from 4.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Domain Name System (DNS) Security Mindshare Distribution
ProductMindshare (%)
F5 BIG-IP DNS3.2%
EfficientIP DNS Guardian2.9%
Other93.9%
Domain Name System (DNS) Security
 

Featured Reviews

Stanislav Strijakov - PeerSpot reviewer
Network Architect at University of Sydney
Helps deal with DNS DoS attacks and corrupt DNS requests
I know my company does come across problems related to the product, sometimes related to a configuration issue or a bug. My company receives good support from EfficientIP DNS Guardian's team, who are responsible and passionate about the product. As far as I know, all of my company's challenges and issues have been successfully resolved. I can't think of any weaknesses or issues which I would like to highlight in a significant manner. EfficientIP DNS Guardian has a certain default behavior that didn't meet our company's requirements. After the consultation with EfficientIP DNS Guardian's IT support, a configuration changed the product's default behavior, which was undesirable for us, to a desirable behavior. Certain issues happen in every product.
RR
Associate Consultant at HCLSoftware
Global load balancing has ensured continuous availability and optimized user response times
While F5 BIG-IP DNS is a very powerful solution, some improvements could enhance the overall experience. For example, the user interface could be more modern and simplified. The reporting and analytics features can be improved. Simplified deployment for cloud-native environments could be improved. Overall, F5 BIG-IP DNS is a robust and reliable solution for global traffic management and application availability. With its advanced traffic steering capability, we are definitely getting great benefits from that. However, the user interface is the major thing I think can be improved. The cost also can be reduced. Those are the two or three points that need to be improved. There is some scope for improvement, including the user interface and pricing. That is why I gave it a nine.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"This product is very stable."
"You can run a DNS server directly from EfficientIP to help mitigate all DNS attacks from various sources. This is a very good feature."
"It is a very stable solution. Stability-wise, I rate the solution a ten out of ten."
"The most valuable feature of the solution is DNS security."
"F5 provides us with a mechanism to accomplish complex product balancing."
"For one of our clients, F5 improved global server load balancing with an active-active site configuration for Disaster Recovery."
"The main features valued in F5 BIG-IP include high availability, scalability, and protection of applications from attacks."
"BIG-IP DNS's best features are DNS monitoring and global service load balancing."
"BIG-IP DNS is more expensive than its competitors like Citrix, but it gives good value for money."
"F5 BIG-IP DNS stands out as they are number one when it comes to WAF and load balancing technologies, and they have plenty of add-on features such as APM and AFM to handle DDoS attacks, DNS security, and GSLB."
"F5 BIG-IP DNS has been rock solid in terms of stability for years."
"In summary, this is a good product and I recommend it."
 

Cons

"The problem with this vendor is that they are too focused on revenue and sales numbers."
"EfficientIP DNS Guardian has a certain default behavior that didn't meet our company's requirements."
"EfficientIP DNS Guardian's deployment documentation is very hard to find. The tech support's response is slow."
"I would like to see the login facilities improved, as well as more troubleshooting."
"The costs could always be a bit lower."
"The solution can improve by adding cloud integration through plugins or additional configurations so we can use F5 BIG-IP DNS to communicate with the cloud."
"The support response time could use improvement."
"The solution's initial setup is complex compared to Fortinet."
"I would like to see deeper integration with VMware in the sense that F5 compliments VMware, in the context of application availability."
"However, the user interface is the major thing I think can be improved. The cost also can be reduced."
"F5's technical support responds a little slowly."
 

Pricing and Cost Advice

"I rate the product price as three to four on a scale of one to ten, where one is low cost, and ten is high price."
"The solution is subscription-based."
"The price of this product is very reasonable, especially considering that a company's reputation is priceless."
"This product is quite pricey but if you compare the feature set and its compatibility with similar products on the market, you would understand why it's that price."
"They are competitively priced."
"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."
"BIG-IP DNS is more expensive than its competitors like Citrix, but it gives good value for money."
"In some cases, it is expensive."
"Cost is a factor. It is really costly."
"The on-prem version is only available on a yearly license, but the cloud version can be paid for on a day-by-day basis."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Government
10%
Computer Software Company
7%
Manufacturing Company
7%
Construction Company
10%
Manufacturing Company
10%
Financial Services Firm
10%
Outsourcing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise5
Large Enterprise10
 

Questions from the Community

Ask a question
Earn 20 points
What is your experience regarding pricing and costs for F5 BIG-IP DNS?
My experience with pricing, setup cost, and licensing was good. We got great support from the F5 sales team. They helped us to deploy it in our organization.
What needs improvement with F5 BIG-IP DNS?
While F5 BIG-IP DNS is a very powerful solution, some improvements could enhance the overall experience. For example, the user interface could be more modern and simplified. The reporting and analy...
What is your primary use case for F5 BIG-IP DNS?
My main use case for F5 BIG-IP DNS is creating an active-active setup. With two data centers, if I want to make them active-standby or active-active, my major use case is to redirect traffic from o...
 

Also Known As

No data available
F5 BIG-IP DNS, F5 DNS Delivery
 

Overview

 

Sample Customers

De Montfort University, STMicroelectronics, Leeds Beckett University
Ricacorp Properties, Bangladesh Post Office, Shawbrook Bank, Shinsegae Internet Duty Free
Find out what your peers are saying about EfficientIP DNS Guardian vs. F5 BIG-IP DNS and other solutions. Updated: September 2026.
920,929 professionals have used our research since 2012.