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EfficientIP DNS Guardian vs Secure Access – DNS Defense comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 15, 2026

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
11th
Average Rating
7.6
Reviews Sentiment
7.1
Number of Reviews
3
Ranking in other categories
No ranking in other categories
Secure Access – DNS Defense
Ranking in Domain Name System (DNS) Security
19th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
Secure Access Service Edge (SASE) (32nd)
 

Mindshare comparison

As of June 2026, in the Domain Name System (DNS) Security category, the mindshare of EfficientIP DNS Guardian is 3.7%, down from 5.2% compared to the previous year. The mindshare of Secure Access – DNS Defense is 2.4%. It is calculated based on PeerSpot user engagement data.
Domain Name System (DNS) Security Mindshare Distribution
ProductMindshare (%)
EfficientIP DNS Guardian3.7%
Secure Access – DNS Defense2.4%
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.
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Top Industries

By visitors reading reviews
Financial Services Firm
10%
Government
8%
Computer Software Company
8%
Manufacturing Company
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Overview

 

Sample Customers

De Montfort University, STMicroelectronics, Leeds Beckett University
Information Not Available
Find out what your peers are saying about Cisco, Infoblox, Palo Alto Networks and others in Domain Name System (DNS) Security. Updated: June 2026.
900,644 professionals have used our research since 2012.