This page hosts the list of certificates affected by the TLS-ALPN-01 Incident. You can find details about this incident in the community forum and on bugzilla.
We have sent notification emails to affected subscribers who have registered a valid email address; if you received an email, you have at least one affected certificate. You may not have received an email if you did not provide an email address when registering your ACME account, if you unsubscribed from Let’s Encrypt email notifications previously, or if the email was caught by a spam filter.
