Identified - We've implemented "Phase 1" of performance improvements, increased capacity, and mitigation efforts in this Ashburn PoP.

Phase 2 is planned for later this week or early next week.

We are going to monitor during the next traffic spike and provide an update.

We apologize for this ongoing issue and are trying to make the necessary adjustments to mitigate any performance and reliability issues as soon as possible.

Mar 18, 2025 - 23:01 UTC
Investigating - We're experiencing large-scale attacks / traffic spikes once or twice daily that are resulting in service degradation (timeouts) during these times.

We apologize for the inconvenience and are working on a plan to eliminate the negative effects of these traffic spikes.

We will update this page as soon as we have made the appropriate changes in Ashburn.

Mar 05, 2025 - 19:32 UTC
Investigating - Our Mumbai (bom2) location is experiencing increased latency and some low amounts of packet loss.

Our provider in Mumbai is investigating.

Feb 20, 2024 - 10:27 UTC
Recursive DNS Services ? Operational
90 days ago
99.9 % uptime
Today
Current Status ? Operational
90 days ago
99.71 % uptime
Today
Past incidents (last week) Operational
90 days ago
100.0 % uptime
Today
Scheduled Maintenance Operational
90 days ago
100.0 % uptime
Today
Threat Intelligence API ? Operational
90 days ago
100.0 % uptime
Today
Website ? Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.
Jul 14, 2025

No incidents reported today.

Jul 13, 2025

No incidents reported.

Jul 12, 2025

No incidents reported.

Jul 11, 2025

No incidents reported.

Jul 10, 2025

No incidents reported.

Jul 9, 2025

No incidents reported.

Jul 8, 2025

No incidents reported.

Jul 7, 2025

No incidents reported.

Jul 6, 2025

No incidents reported.

Jul 5, 2025

No incidents reported.

Jul 4, 2025

No incidents reported.

Jul 3, 2025
Resolved - This is resolved.

95% of our infrastructure was fixed within 60 minutes of the Issue Start time, but it took some extra time to resolve the last few PoPs.

If you're still experiencing this issue, please open a support ticket to support@quad9.net and include the output of the command below:

# macOS or Linux: run the following command in Terminal:
dig +short @9.9.9.9 cname id.server.on.quad9.net.

# Windows:  run the following command in the Command Prompt:
nslookup -q=cname id.server.on.quad9.net. 9.9.9.9

Issue Start: 14:30 UTC, July 3rd
Issue Start: 17:45 UTC, July 3rd

Jul 3, 20:16 UTC
Identified - After updating our SSL certificate globally, DoH/DoT implementations which rely on OCSP validation stopped working.

We are already in the process of deploying a fix ASAP.

We apologize for the inconvenience.

Issue Start: 14:30 UTC, July 3rd

Jul 3, 18:13 UTC
Jul 2, 2025

No incidents reported.

Jul 1, 2025

No incidents reported.

Jun 30, 2025

No incidents reported.