Knowledge Base

Learn how to create and verify CNAME records for Domain Control Validation (DCV) with Sectigo. Includes step-by-step instructions, record format examples, and tools for propagation checks.

Learn how to create a DNS TXT record for Domain Control Validation (DCV) to verify domain ownership during SSL/TLS certificate issuance. Includes step-by-step instructions, record format, and verification tips.

Learn how to complete domain validation using the HTTP/HTTPS method with Sectigo. This guide covers prerequisites, creating the validation text file with MD5 and SHA-256 hashes, file placement in the .well-known/pki-validation directory, and steps to verify successful publication.

This article explains how to perform email based DCV.

When ordering an SSL/TLS certificate, one of the methods to prove domain ownership is through Email Challenge-Response. This method involves sending a unique validation code to a pre-approved email address associated with the domain. The recipient must follow a link and enter the code to complete the validation.

Understand Domain Validation (DV) and explore Sectigo’s secure methods for verifying domain ownership, including email, DNS, and HTTP options

Sectigo Code Signing Certificate Guides

How to Create a DNS BIMI record

Legal Existence for VMC/CMC

Minimum requirements for mark certificates