Vendor reports: degradedResolved · vendor status “resolved”Official status API

High Domain Control Validation failure rate

Reported by Let's Encrypt · Identity & Security · source last read 3 min ago

Official source (opens in a new tab)
Vendor start
Sep 11, 2026, 02:39 UTC
Vendor's clock
Resolved
Sep 11, 2026, 02:39 UTC
Vendor's clock
First seen by Statuswall
Before tracking began
Statuswall's clock
Duration
Not available
This source does not publish reliable durations

Summary

Built from the facts below, no AI

Potential impact, not a confirmed outage of your systems.

What the vendor confirmed

  • Let's Encrypt reports degraded: "High Domain Control Validation failure rate".[E1, E2]
  • The vendor marked it resolved at 2026-09-11 02:39 UTC.[E3, E7]

What is unknown

  • Which regions are affected: the vendor did not say.[E5]
  • Which components are affected: the vendor did not say.[E6]
  • Whether your own systems are affected: a vendor report cannot tell you; check your monitoring.

Last update in these facts: 2026-09-11 02:39 UTC · summary s1, evidence 8496569e4e6d1d3c

Evidence (7)
  1. E1Let's Encrypt reports degraded. (vendor) source (opens in a new tab)
  2. E2Vendor title: "High Domain Control Validation failure rate". (vendor) source (opens in a new tab)
  3. E3Vendor status word: "resolved". (vendor) source (opens in a new tab)
  4. E4Vendor-reported start: 2026-09-11 02:39 UTC. (vendor) source (opens in a new tab)
  5. E5The vendor did not state which regions are affected. (Statuswall)
  6. E6The vendor attached no components. (Statuswall)
  7. E7Vendor-reported resolution: 2026-09-11 02:39 UTC. (vendor) source (opens in a new tab)

Affected scope

Not stated by the vendor

Components: not stated by the vendor

No region Statuswall recognises is stated for this incident (place names and provider-specific codes are not converted). It is not assumed to be global.

Potential relevance

Let's Encrypt is not in your stack. Follow it to see whether reports like this fall inside the regions you use.

Timeline

Vendor times come from the vendor. “Seen by Statuswall” times are when Statuswall noticed a change, which can lag the vendor by a few minutes. Statuswall does not store the vendor's update text; read it on the official page.

  1. Sep 11, 2026, 02:39 UTCVendor-reported startVendor time
  2. Sep 11, 2026, 02:39 UTCVendor-reported resolutionVendor time

No changes observed yet. Statuswall began recording changes on incidents in November 2026.