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Azure DNS vs Quad9 comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 4, 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

Azure DNS
Ranking in Managed DNS
4th
Average Rating
8.4
Reviews Sentiment
6.3
Number of Reviews
33
Ranking in other categories
No ranking in other categories
Quad9
Ranking in Managed DNS
5th
Average Rating
6.0
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
Internet Security (9th)
 

Mindshare comparison

As of January 2026, in the Managed DNS category, the mindshare of Azure DNS is 10.6%, up from 7.8% compared to the previous year. The mindshare of Quad9 is 30.0%, down from 31.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Managed DNS Market Share Distribution
ProductMarket Share (%)
Azure DNS10.6%
Quad930.0%
Other59.4%
Managed DNS
 

Featured Reviews

Dieudonné-Nsabimana - PeerSpot reviewer
Consultancy Manager at cidns
Overall experience improves efficiency and lowers operational challenges
* Add native management routing (geo‑routing, failover, weighted records) directly within Azure DNS zones to reduce dependency on extra services. * Cost Efficiency: Offer bundle pricing tiers or discounts for high‑volume enterprise customers, or an option for cost‑optimized internal DNS zones. * Improved Error Diagnostics: Provide more descriptive error codes and guided troubleshooting steps in the portal or CLI.
Louis Geoffroy - PeerSpot reviewer
President at IDEBUG
It's easy to use and set up, but I've faced performance problems
I have experience with Quad9 and most other filtering solutions. Quad9 was working well initially, but it started slowing, so I switched to OpenDNS. I recently checked Tom's Hardware, an IT review site, and read a review of seven DNS filters. Open DNS was ranked the fastest, and Quad9 was second. Google was on there too, but they said it didn't filter enough.

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 key benefits of Azure DNS is its integration with other Azure services. As it is a solution developed by Microsoft, it is easy to integrate with other Azure offerings. Azure DNS also includes Defender for DNS, a feature that protects against anomalies and threats on the DNS. This added security is provided directly by Microsoft. The integration and security features of Azure DNS make it a valuable option for users of the Azure cloud platform."
"From a security perspective, Microsoft is much better than other cloud providers."
"The DNS resolution is the most valuable feature."
"The speed of the queries is valuable."
"What I like about Azure DNS is that it doesn't have any issues and integrates quickly with other products. It has good integration, which is incredible. I also like that whenever you deploy private links and endpoints, Azure DNS gives you the option to select the Azure native DNS, private DNS, or go with the Azure custom DNS. It depends, but if you don't have any dependencies on the DNS, then, like many customers, you won't have DNS issues. Azure DNS is a very good solution that helps you with domains and other resources."
"If you're running your enterprise application on Azure, it's convenient to use Azure DNS. It has native integration with other Azure solutions, and Microsoft is a globally recognized DNS provider. You also get CDN services. If you're a media company that requires on-demand data streaming, your DNS plays a vital role by working with CDN services to publish your application. It's cheaper and easier to expand your solution."
"Can be configured to achieve a hundred percent reliability"
"The initial setup is straightforward and not that complex."
"The most valuable feature of Quad9 is that it is a free solution."
"Setting up Quad9 is straightforward if you know what you're doing, and it's easy to use overall."
 

Cons

"I did not see any improvements required."
"The CDN integration could be improved."
"The web interface to manage the solution must be made easier."
"I would like to see more security features and protection."
"I would like to see more integration with other platforms, improved stability, enhanced security, and better pricing because there is always room for improvement."
"The process of creating a virtual mission could be improved."
"They should include more integration with other platforms."
"Azure DNS does provide enhanced support for applications and includes several security features to protect against threats. One of the security features it offers is the ability to detect and prevent dangling DNS records, which can be used in cyber attacks. Dangling DNS records occur when a website owner creates a domain name but forgets to remove the CNAME record, leaving the domain vulnerable to takeover by malicious actors. Azure DNS includes security measures to identify and prevent such threats, helping to keep your DNS infrastructure secure. However, if Microsoft could add more security capabilities to the DNS, that would be great to detect and identify anomalies that are happening to prevent cyber threats."
"Quad9 could improve by having more free features, such as custom DNS filtering."
"It used to work fine for all the devices, but it started to slow and become non-responsive. I would have to reload the page two or three times before all the pages loaded. With OpenDNS, I only need to load the page once."
 

Pricing and Cost Advice

"To use Azure DNS, I need to buy the license meant for Windows Server."
"We have an enterprise license agreement with Microsoft. Their pricing is competitive. I would rate it a three and a half out of five."
"The solution's price is reasonable."
"The solution is moderately priced."
"The solution itself is free but you need to pay for the Microsoft Azure infrastructure and host your domains in Azure to use it."
"The solution is free."
"The pricing is expensive."
"The price is low and it's a reasonable price for that product."
"The price of Quad9 is free."
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Top Industries

By visitors reading reviews
Financial Services Firm
13%
Computer Software Company
11%
Manufacturing Company
8%
Comms Service Provider
6%
Comms Service Provider
24%
Computer Software Company
9%
Hospitality Company
8%
Financial Services Firm
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise4
Large Enterprise19
No data available
 

Questions from the Community

Azure DNS or Amazon Route 53?
Azure DNS is a hosting service of DNS domains. It has excellent operating time and performance, resulting in fast resolution. We like the ability to view everything in the Azure portal - this makes...
What do you like most about Azure DNS?
The tool is easy to manage and use.
What needs improvement with Azure DNS?
* Add native management routing (geo‑routing, failover, weighted records) directly within Azure DNS zones to reduce dependency on extra services. * Cost Efficiency: Offer bundle pricing tiers or di...
Which would you choose - Cloudflare DNS or Quad9?
Cloudflare DNS is a very fast, very reliable public DNS resolver. It is an enterprise-grade authoritative DNS service that offers great redundancy and advanced security with built-in unmetered and ...
 

Comparisons

 

Overview

 

Sample Customers

M-Files
CISCO, Netlab, proofpoint
Find out what your peers are saying about Azure DNS vs. Quad9 and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.