Knowledge Base

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

Check whether your organization is eligible for a VMC or CMC and learn which validation checks Sectigo performs before issuance.

Domain Control Validation for external IP addresses

Replace or reissue a VMC or CMC to update organization details, domains, logo, or CSR, and learn which changes need revalidation.

Access New Sectigo Public Certificate Chain

Learn how Sectigo validates the legal identity, signer identity, assumed name, and physical address of an organization that applies for a VMC or CMC.

Learn who the Contract Signer, Requester, and Approver are for a VMC or CMC order, how they are identified, and how their identity is verified.

Create a DNS TXT record for BIMI so that your VMC logo can display in email for each domain or subdomain.

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

Complete Domain Control Validation (DCV) for a Sectigo certificate by responding to an email sent to one of five constructed mailboxes on the domain. You click a verification link and enter the unique code from the email to confirm control of the domain.