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F5 BIG-IP DNS vs Sucuri comparison

 

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

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
Sucuri
Ranking in Domain Name System (DNS) Security
25th
Average Rating
8.4
Reviews Sentiment
7.5
Number of Reviews
6
Ranking in other categories
Web Application Firewall (WAF) (36th), Distributed Denial-of-Service (DDoS) Protection (25th)
 

Mindshare comparison

As of August 2026, in the Domain Name System (DNS) Security category, the mindshare of F5 BIG-IP DNS is 3.5%, down from 4.9% compared to the previous year. The mindshare of Sucuri is 1.7%, up from 1.0% 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 DNS3.5%
Sucuri1.7%
Other94.8%
Domain Name System (DNS) Security
 

Featured Reviews

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.
JS
Hardware Engineer at Ministry of Defense
A cost-effective choice for website security and informative support with issues related to CDN quality
One area where they could improve is in providing real-time support options because now you need to open a support ticket and wait for their response. It would greatly benefit customers if they implemented an online chat or messaging system for quicker assistance. I have found their Content Delivery Network service to be lacking in quality, and it could certainly be enhanced to provide better performance. I would also like to see improvements in the deployment process, as it currently takes more time than desirable. Another significant concern is that their service when your website is down, turns it into a static site. This means that if customers try to visit your site during downtime, they will see old content from the static site, which is not ideal. The CDN and tracking services are areas that need improvement, as well as addressing their bandwidth limitations.

Quotes from Members

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

Pros

"One of the most effective feature of F5 BIG-IP DNS is its robustness and integration with our existing F5 infrastructure. It helps us to geographically connect and form an internal topology network with our clients."
"It's very stable."
"We have reduced downtime to almost zero percent now, and there is no downtime for any application."
"BIG-IP DNS is easy to deploy as you can just log in to F5 and request free trial licenses, and the Virtual Edition can be deployed on public and on-prem cloud."
"The most valuable feature of the solution is security."
"The management is very easy."
"BIG-IP DNS effectively handled a traffic surge. For example, we have application forms replicated across our DCs. If our primary application becomes unavailable, BIG-IP automatically fails over to a client-unaware secondary application."
"F5 BIG-IP DNS has been rock solid in terms of stability for years."
"It significantly eases the workload and streamlines the initial setup required to protect a website."
"The initial setup was straightforward. Straight forward because the plugin can simply be installed and then it does its job. It's not complex, there is no learning curve. The online scan is simple, you put in the website address and the scan gives us a report on the browser itself. It's simple to use."
"I use it as a WAF, which is basically a web firewall to monitor and block traffic to our web server."
"Domain name scanning since it allows us to scan all our domain names and determine whether it has malware or if is reported as phishing."
"Rather than locate some things manually, the Sucuri plugin scans and allows us to pinpoint whether there is malware or some problem in the site."
"The initial setup was very easy."
"For people who own a personal website, this solution is worth trying out since their security solution is somewhat full-fledged."
"The most valuable part is the analytics and visualization."
 

Cons

"The support response time could use improvement."
"The solution's initial setup is complex compared to Fortinet."
"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 initial setup could be easier."
"The analysis services needs improvement."
"I would like to see deeper integration with VMware in the sense that F5 compliments VMware, in the context of application availability."
"It would be great to see a F5 BIG-IP DNS cloud version. What we within the Australian government are looking at doing is utilizing a secured DNS service much the same as the English GCHQ version of their protected DNS service."
"The solution is complicated to use."
"The main improvement I would like to see is support for .NET applications. If they could include this feature, I would include more sites in the protection."
"It would greatly benefit customers if they implemented an online chat or messaging system for quicker assistance."
"Sucuri could provide help for specific security alerts in-line instead of requiring users to search for it in the help section."
"In terms of improvement, the cost factor is always there."
"I would rate this solution an eight out of ten. The reason is that we have found sometimes customers or Google saying that there is something wrong with the website but Sucuri says that the site is clean so we do have to look at the site manually which means that the Sucuri scan does not pick up anything and everything."
"Confident score: Currently it does not have one and there are cases that most websites flagged are false-positives."
 

Pricing and Cost Advice

"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."
"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."
"They are competitively priced."
"In some cases, it is expensive."
"You cannot do much around DDoS protection without an additional license from F5."
"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."
"It stands out as a more cost-effective option compared to other cloud-based security services like Cloudflare or JetPass."
"I’d simply say it’s really worth it."
"Sucuri offers different plans, both the standard plan and an advanced plan. So there are different plans to choose from."
"The ROI has been very good. Because of the solution, I have a tax break. The site developers were not always experienced people. We used to pay more for cleaning up the site when it was infected. Now, we have peace of mind knowing that the solution will clean up the site and that we won't have to go through the unnecessary process of restoring it from a backup. The protection on the WAF and the measures for backups have also prevented our site from going down."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Construction Company
10%
Manufacturing Company
9%
Computer Software Company
8%
Comms Service Provider
14%
Construction Company
13%
Financial Services Firm
10%
Outsourcing Company
8%
 

Company Size

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

Questions from the Community

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...
Ask a question
Earn 20 points
 

Also Known As

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

Overview

 

Sample Customers

Ricacorp Properties, Bangladesh Post Office, Shawbrook Bank, Shinsegae Internet Duty Free
The Loft Salon, Tom McFarlin, WPBeginner, Taylor Town, Everything Everywhere, Financial Ducks in a Row, Chubstr, Real Advice Gal, Sujan Patel, Wallao, List25, School the World
Find out what your peers are saying about F5 BIG-IP DNS vs. Sucuri and other solutions. Updated: June 2026.
909,563 professionals have used our research since 2012.