Quad9 FAQ

Answers to your most common questions about Quad9.

Quick, simple, and helpful information at a glance.

What is Quad9?
Quad9 is a free, public, and secure DNS service that can help protect your devices from accessing malicious or harmful websites.
How do I access Quad9?
You can use Quad9 by changing your DNS settings on your device or by installing their app on your device.
Why should I use Quad9?
Quad9 can help protect your devices from accessing malicious or harmful websites, providing an extra layer of security.
How can I change my DNS settings to use Quad9?
The process of changing your DNS settings varies depending on your device and operating system. You can find step-by-step instructions and helpful videos on the Quad9 website.
Is Quad9 available for all devices?
Yes, Quad9 is available for all devices and operating systems, including computers, smartphones, and tablets.
Does using Quad9 slow down my internet speed?
No, using Quad9 should not noticeably affect your internet speed. In fact, Quad9 has servers located all around the world, which can potentially lead to faster DNS resolution times.
Are there any fees for using Quad9?
No, Quad9 is completely free to use and does not require any payment or subscription.
Can I use Quad9 on my business or enterprise network?
Yes, Quad9 has a business and enterprise option available, which offers additional features and support. You can find more information on their website.
What do I do if I encounter an error message while using Quad9?
If you encounter an error message, try refreshing the page or restarting your device. If the issue persists, you can contact the Quad9 support team for assistance.
How secure is Quad9?
Quad9 takes cybersecurity very seriously and uses state-of-the-art security measures to protect its users. They also do not collect or store any personal information.
Can I use Quad9 alongside another DNS service?
Yes, you can use Quad9 alongside another DNS service. However, if you use multiple DNS services, you may need to prioritize the order in which they are used to avoid conflicts.
Can I choose specific categories of websites to be blocked by Quad9?
No, Quad9 does not have the ability for users to choose specific categories of websites to be blocked. However, it does block known malicious or harmful websites.
Can I turn off the blocking feature of Quad9?
No, the blocking feature of Quad9 cannot be turned off as it is an essential part of its cybersecurity measures.
I am still able to access a website that I know is malicious with Quad9 enabled. What should I do?
If you encounter a website that should be blocked by Quad9, you can report it to the Quad9 support team so they can investigate and potentially add it to their blocklist.
Can I change the settings of Quad9 to customize it for my needs?
Yes, you can access advanced settings and customize certain aspects of Quad9, such as blocking CNAME tracking or enabling IPv6 addresses. You can find more information on the Quad9 website.
Does Quad9 work in all countries?
Yes, Quad9 works in all countries, but some countries may have restrictions on certain websites that cannot be bypassed.
I am experiencing slow internet speeds with Quad9 enabled. What should I do?
Quad9 should not significantly affect your internet speed, but if you experience slow speeds, you can try changing to a different Quad9 server location or contacting the support team for assistance.
Can Quad9 protect me from all types of online threats?
While Quad9 can provide an extra layer of security, it cannot protect you from other types of online threats, such as viruses, malware, or phishing attacks. It is important to have proper antivirus software and be cautious when browsing the internet.
Why am I getting a "server not found" error message with Quad9 enabled?
If you receive this error message, it means that the website you are trying to access is not reachable. This can occur if the website is down or if there is an issue with the website's DNS settings.
Can I use Quad9 on my gaming console?
Yes, you can use Quad9 on most gaming consoles, but the process of changing your DNS settings may vary. You can find more information and troubleshooting tips on the Quad9 website.
Why am I getting a "quarantine zone" error message with Quad9 enabled?
This error message means that Quad9 has determined that the website you are trying to access is a high-risk site and has blocked access. You can report this website to the Quad9 support team if you believe it has been mistakenly blocked.
How do I know if Quad9 is working correctly?
You can check if Quad9 is working correctly by visiting the Quad9 website and performing a quick test. You should also see an indication on your device's internet settings that Quad9 is the DNS server in use.
Can I switch back to my previous DNS service if I don't want to use Quad9 anymore?
Yes, you can switch back to your previous DNS service at any time. Make sure to refer to your device's instructions on how to change DNS settings.
How can I contribute to Quad9?
Quad9 is a non-profit organization, and you can support their cause by making a donation on their website. You can also help spread the word about Quad9 to friends and family members to increase their user base.
Can I use Quad9 on a public Wi-Fi network?
Yes, you can use Quad9 on a public Wi-Fi network as long as you can change the DNS settings on your device. However, it is important to note that Quad9 may not be able to protect you from all threats on a public network.
I am receiving the "Not Secure" warning on my browser with Quad9 enabled. What should I do?
This warning means that the website you are trying to access does not have a valid security certificate. It is recommended to avoid accessing this type of website as it may not be safe. If you believe this warning is a mistake, you can report the website to the Quad9 support team.
How often are new malicious websites added to Quad9's blocklist?
Quad9's blocklist is constantly updated, with thousands of new malicious websites being added each day. However, they cannot guarantee that every malicious website will be blocked. You can always report malicious websites to the support team for investigation and potential blockage.
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