# Elevated Error Rates for Cloud Routers and Studio UI

- Provider: [Apollo GraphOS](https://down.guide/apollo)
- Level: confirmed
- Impact: Partial outage
- lasted 2h 33m
- started 2025-11-18 13:05 UTC
- id: DWN-6effdce587
- Official page: https://status.apollographql.com/incidents/01KABH3TXYK38J13MDYF97K5MF

## Updates from Apollo GraphOS
### 2025-11-18 12:48 UTC: investigating
We're experiencing elevates error rates due to an upstream DNS provider major incident.

### 2025-11-18 13:15 UTC: monitoring
Our DNS provider has provided an update:
"The issue has been identified and a fix is being implemented."
We will be monitoring for recovery of our systems.

### 2025-11-18 13:33 UTC: monitoring
We're continuing the monitor the affected services while the upstream provider remediates the issue.

### 2025-11-18 14:44 UTC: monitoring
At this time, our monitors indicate that only Cloud Routers hosted on Apollo infrastructure are impacted as a result of an upstream service provider incident.
Studio UI has already recovered. Beyond these two impacted services, there has been no impact to APIs (including Uplink).

### 2025-11-18 15:02 UTC: monitoring
The upstream provider has indicated recovery on their status page (https://www.cloudflarestatus.com/incidents/8gmgl950y3h7).
At the same time, we have seen our own monitors return to non-triggered states. We will continue to monitor for the next 15 minutes and then declare this Resolved.
While Cloud Routers were impacted throughout the incident, the Studio UI impact was during two distinct periods: Nov 18 11:52 am – Nov 18, 12:10 pm UTC (18 minutes) and again from Nov 18, 12:51 pm – Nov 18, 1:09 pm UTC (another 18 minutes). Studio UI was otherwise available in times outside of that range.

### 2025-11-18 15:38 UTC: resolved
We are marking this incident resolved on the Apollo side.
For any continuing matters, please consult our support portal: https://support.apollographql.com/

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