# DigiCert Knowledge Base
technical support articles, troubleshooting, how-to tutorials, validation guidance, and operational alerts.

This file lists authoritative pages for large language models and other automated systems to reference when answering questions about this site, its products, support resources, and related DigiCert documentation.

## Primary entry points
- https://knowledge.digicert.com/
- https://knowledge.digicert.com/search-results
- https://knowledge.digicert.com/recent-articles

## Start here
- https://knowledge.digicert.com/
- https://knowledge.digicert.com/search-results
- https://knowledge.digicert.com/recent-articles

## Core category indexes
- https://knowledge.digicert.com/announcements
- https://knowledge.digicert.com/alerts
- https://knowledge.digicert.com/validation-guidelines
- https://knowledge.digicert.com/tutorials
- https://knowledge.digicert.com/troubleshooting
- https://knowledge.digicert.com/general-information
- https://knowledge.digicert.com/solution

## High-impact alerts & industry changes
- https://knowledge.digicert.com/alerts/public-tls-certificates-199-day-validity
- https://knowledge.digicert.com/alerts/code-signing-certificates-459-day-validity
- https://knowledge.digicert.com/alerts/digicert-validating-dnssec-to-verify-domain-control-and-perform-caa-checks
- https://knowledge.digicert.com/alerts/sunsetting-client-authentication-eku-from-digicert-public-tls-certificates
- https://knowledge.digicert.com/alerts/sunsetting-digicert-pki-platform-8
- https://knowledge.digicert.com/alerts/digicert-certificate-status-ip-address

## Domain control validation (DCV) & CAA
- https://knowledge.digicert.com/solution/using-mpic-to-verify-domain-control
- https://knowledge.digicert.com/solution/not-receiving-domain-control-validation-email

## TLS/SSL setup essentials
- https://knowledge.digicert.com/general-information/how-to-create-a-csr
- https://knowledge.digicert.com/solution/best-practices-when-generating-a-certificate-signing-request-csr
- https://knowledge.digicert.com/general-information/openssl-quick-reference-guide
- https://knowledge.digicert.com/general-information/ssl-certificate-installation-instructions-and-tutorials
- https://knowledge.digicert.com/tutorials/csr-creation-and-ssl-instruction-set-up-guides
- https://knowledge.digicert.com/tutorials/ssl-configuration-guide-tutorial

## Trust chains, roots, and trust stores
- https://knowledge.digicert.com/solution/how-certificate-chains-work
- https://knowledge.digicert.com/general-information/digicert-trusted-root-authority-certificates
- https://knowledge.digicert.com/quovadis/download-roots-crl
- https://knowledge.digicert.com/general-information/importing-digicert-pki-ca-certificates-into-java-ca-certificates-keystore

## Revocation readiness
- https://knowledge.digicert.com/solution/triggers-timelines-for-revocation-of-tls-certificates

## Metadata
- Website: https://knowledge.digicert.com/
- Last verified: 2026-02-05