Quad9
Real-time uptime monitoring and outage reports
Current Status
Operational
24h Uptime
100.00%
Reports (Last 1h)
0
trending_flat 0%Last Peak Spike
4
19h agoUptime History (Past 24 Hours)
Is Quad9 down right now? Real-time Status & Outage Map
Quad9 is a free, privacy-centric public DNS resolver that protects users by automatically blocking access to malicious websites, malware, and phishing domains. By translating domain names into IP addresses, it serves as a critical security and infrastructure layer for both everyday internet users and enterprise networks. When Quad9 is functioning optimally, users enjoy fast, secure, and private internet browsing across all their connected devices.
Currently, based on our real-time global monitoring network, the status of Quad9 is operational. Most users are reporting that the platform is functioning perfectly without any major interruptions. If you feel that Quad9 is not working for you, or if you are experiencing severe Quad9 lag, it is highly likely a local problem related to your device, ISP internet connection, or router configuration rather than a pervasive global server outage.
Service Disruptions: What Happens if Quad9 Goes Down?
When Quad9 experiences a server outage or routing failure, users will lose their ability to access websites using standard domain names, resulting in 'Site Cannot Be Reached' or 'DNS_PROBE_FINISHED_NXDOMAIN' browser errors. Network-dependent applications, smart home devices, and enterprise APIs relying on Quad9 for DNS resolution will also timeout and fail to connect to external servers. Essentially, without a functioning DNS to translate URLs to IP addresses, the internet will appear to be entirely disconnected for affected users.
If the Quad9 status is currently marked as red (Major Outage) or yellow (Partial Outage) on our live dashboard map above, you will likely experience one or all of these frustrating symptoms. Our proprietary algorithm aggregates these micro-reports from around the web to accurately verify and flag these exact downtime situations as they unfold minute by minute.
Recent Down Detector Reports for Quad9
Looking at the short-term history, our automated down detector has chronicled exactly 4 user error reports over the prior 24 hours. Because of these reported fluctuations, Quad9 is sitting at a 100.00% uptime metric for the current rolling day.
A major service interruption was positively recorded 19h ago. During this window, an explosive 4 users reported the platform as 'down', confirming a widespread Quad9 outage.
How to fix Quad9 if it is not working
If our page indicates that the service is operational, yet you are still asking "Why is Quad9 not loading?", try these quick troubleshooting steps:
- Flush Local DNS Cache: Your operating system temporarily stores DNS records to speed up browsing. If these records become corrupted, it can mimic a DNS outage. On Windows, open Command Prompt as an administrator and run 'ipconfig /flushdns'. On macOS, open Terminal and type 'sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder'.
- Switch to a Fallback DNS: If Quad9 is genuinely experiencing an outage, you will need to temporarily change your network's DNS settings to restore internet access. Navigate to your device's or router's network adapter settings and replace 9.9.9.9 with an alternative public DNS resolver like Cloudflare (1.1.1.1) or Google Public DNS (8.8.8.8) until Quad9 resolves their network issues.
- Verify Router and Firewall Settings: Ensure that your router or local firewall is not blocking outbound traffic on UDP/TCP port 53, which is required for standard DNS queries. If you are using DNS over HTTPS (DoH) or DNS over TLS (DoT) with Quad9, verify that your security software or ISP isn't intercepting or blocking traffic on port 443 or port 853.
How isitdownrightnow.app monitors Quad9 Outages
Official corporate dashboards rarely tell the truth immediately. isitdownrightnow.app takes a different approach by aggregating real community sentiment. If thousands of people suddenly complain about a Quad9 outage at exactly the same time, we know the servers are actually down.
Our infrastructure maps the current problem report velocity directly against expected normal traffic. Once an abnormal surge is authenticated, the live charts automatically adjust to yellow or red. This crowdsourced methodology is why isitdownrightnow.app provides the most rapid and trustworthy Quad9 status updates on the planet.
Frequently Asked Questions
Why is Quad9 not working?
Quad9 may stop working due to regional BGP routing issues, DDoS attacks targeting their anycast network, or temporary server maintenance. Occasionally, the issue isn't on Quad9's end, but rather a misconfiguration in your local router's DNS settings, an ISP blocking third-party DNS resolvers, or firewall rules preventing traffic on port 53 (DNS) or port 853 (DNS over TLS).
How to check Quad9 server status?
You can check the real-time status of Quad9's global network right here on isitdownrightnow.app, where we monitor their server response times and uptime across multiple regions. Additionally, you can ping '9.9.9.9' from your command line to test connectivity, or check Quad9's official X (formerly Twitter) account and system status dashboards for announcements regarding scheduled maintenance or ongoing incidents.
Is Quad9 down right now?
Our real-time monitoring graph above displays the current operational status of Quad9. If the graph shows a spike in user reports or our automated ping tests fail, Quad9 is likely experiencing a regional or global outage. If the status indicates that systems are operational but you still cannot connect, the issue is likely isolated to your local network, ISP, or specific device configuration.
Outage Heat Map
Live User Reports
Real-timeSystem Monitoring Active
Real-timeMonitoring is currently tracking 0 ongoing reports, which is well within normal operational baselines for Quad9.
campaign Recent User Reports
| Service | Problem | Peak Spike | Spike Time | Reports (24h) | Status |
|---|---|---|---|---|---|
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Normal activity | 10 reports | 2h ago | 85 | Stable |
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Normal activity | 3 reports | 9h ago | 25 | Stable |
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Normal activity | 11 reports | 18h ago | 243 | Stable |
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Normal activity | 8 reports | 17h ago | 228 | Stable |
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Normal activity | 10 reports | 19h ago | 158 | Stable |
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Normal activity | 2 reports | 30m ago | 3 | Stable |
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Normal activity | 314 reports | 10h ago | 479 | Stable |
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Normal activity | 95 reports | 10h ago | 321 | Stable |