Knowledge Base

Create and verify a CNAME record on your public DNS so Sectigo can confirm domain control for a DV certificate.

How to Create a DNS BIMI record

Legal Existence for VMC/CMC

Minimum requirements for mark certificates

Guidelines for replacement of VMC/CMC

Clarification about SA CRF for VMC/CMC

Access New Sectigo Public Certificate Chain

This guide provides step-by-step instructions to manually create a .wellknown/pki-validation directory on a Windows server hosting IIS, so you can place a validation file (for example, sectigo.html) for HTTP-based domain or organization validation.

Learn how the new TLS/SSL certificate lifespan and DCV reuse limits affect SCM Enterprise users, and what to do before March 12, 2026 to avoid issuance disruption.

This article explains how to complete DCV for a domain in SCM Pro using email, DNS, or HTTP/HTTPS validation.