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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 (10th)
 

Mindshare comparison

As of October 2025, in the Managed DNS category, the mindshare of Azure DNS is 8.0%, down from 8.2% compared to the previous year. The mindshare of Quad9 is 32.5%, up from 31.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Managed DNS Market Share Distribution
ProductMarket Share (%)
Azure DNS8.0%
Quad932.5%
Other59.5%
Managed DNS
 

Featured Reviews

Dieudonné-Nsabimana - PeerSpot reviewer
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
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

"The most valuable features of Azure DNS are the DNS forwarder and the DNS additional record editions."
"The most valuable feature of Azure DNS is it works automatically after configuration. Additionally, the solution is secure."
"The DNS resolution is the most valuable feature."
"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."
"Azure DNS provides end-to-end P2P connectivity and enhances security, making it more secure and reliable."
"It is a very stable solution."
"The solution allows you to host DNS service without using Azure's servers."
"Data protection is paramount across cloud platforms"
"Setting up Quad9 is straightforward if you know what you're doing, and it's easy to use overall."
"The most valuable feature of Quad9 is that it is a free solution."
 

Cons

"While it's stable, there's always room for improvement to ensure it remains reliable."
"The technical support can be more knowledgeable."
"The solution should provide better pricing."
"There are some latency issues that could be improved."
"The process of creating a virtual mission could be improved."
"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."
"What needs improvement in Azure DNS is visibility in terms of troubleshooting. It's similar to the area for improvement in Azure Network Watcher, where I can see how the source is going out if I'm troubleshooting a source destination. I can also see the destination. As for seeing how the packet travels, that's what should be improved. It's still lacking in visibility. Suppose I'm looking into backend machines, and if I'm hitting another NPM machine or any machine on the other side, there should be visibility. The tool should tell you that a specific machine is passing through a VPN gateway or route table, routing to a third-party firewall, and then dropping. Azure DNS should show an accurate answer to help the customers, which is its area for improvement."
"Azure DNS sticks mostly with the Azure native solution and doesn't scale well in a multi-cloud or hybrid environment."
"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."
"Quad9 could improve by having more free features, such as custom DNS filtering."
 

Pricing and Cost Advice

"The price is low and it's a reasonable price for that product."
"The solution itself is free but you need to pay for the Microsoft Azure infrastructure and host your domains in Azure to use it."
"We use the tool's free version."
"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 pricing is expensive."
"To use Azure DNS, I need to buy the license meant for Windows Server."
"The solution is moderately priced."
"I would describe Azure DNS as a cheaply priced product."
"The price of Quad9 is free."
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Financial Services Firm
11%
Manufacturing Company
9%
University
5%
Comms Service Provider
22%
Computer Software Company
18%
Hospitality Company
7%
Educational Organization
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: September 2025.
872,019 professionals have used our research since 2012.