High Domain Control Validation failure rate

· Letsencrypt Status · Sept. 11, 2026, 1:49 a.m.
Let’s Encrypt web-security Domain Control Validation Certificate Issuance
Summary
Let's Encrypt is currently looking into a rise in failure rates for Domain Control Validation, which could hinder users from securing certificates for their domains. This issue was noted on September 11, 2026, at 01:40 UTC.
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