- Level
- confirmed
- Worst impact
- Maintenance
- Components
- Denver, United States - (DEN)
- Regions
- us
Summary
Cloudflare says scheduled maintenance is in progress at its DEN (Denver) datacenter, which began at 08:00 UTC on 2026-11-06 and is scheduled to run until 15:00 UTC. Traffic may be re-routed from this location, causing a slight latency increase, and PNI/CNI network interfaces there may become temporarily unavailable.
Written by anthropic/claude-haiku-5.5 from Cloudflare's own updates.
What to do
Check whether you use Cloudflare Denver, United States - (DEN) in us. Check your stack
Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.Check that everything you run on Cloudflare came back after the window closed 2026-11-06 15:01 UTC.
Subscribe to Cloudflare's feed to hear about the next one first. RSS feed
https://down.guide/feed?provider=cloudflare works in Slack (/feed subscribe), Discord feed bots and any RSS reader.
Updates from Cloudflare 3
- scheduled
We will be performing scheduled maintenance in DEN (Denver) datacenter on 2026-11-06 between 08:00 and 15:00 UTC. Traffic might be re-routed from this location, hence there is a possibility of a slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI customers connecting with us in this location, please make sure you are expecting this traffic to fail over elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily unavailable.
provider
- scheduled
Maintenance will begin soon as scheduled.
provider
- in_progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
provider
Reports count in aggregate; nothing about you is shown.
Corrections
None so far.
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Questions about DWN-8f206ef7d2
Is this Cloudflare maintenance still going on?
No, it ended 2026-11-06 15:01 UTC.
How long did it last?
7h 2m, from 2026-11-06 08:00 UTC to 2026-11-06 15:01 UTC, by the times Cloudflare posted.
What was affected?
Cloudflare named Denver, United States - (DEN) in us.
What caused it?
Cloudflare hasn't published a root cause. If it does, it shows here.
Where does this come from?
Cloudflare's official status page, https://www.cloudflarestatus.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.