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

Learn the step-by-step process to add a digital signature to a PDF using Adobe Acrobat Reader DC. Includes instructions for selecting your certificate and signing securely.

Sectigo Code Signing Certificate Guides

Learn how to securely configure Microsoft Exchange Server by generating a Certificate Signing Request (CSR), installing an SSL certificate via the Exchange Admin Center (EAC), assigning services, verifying installation, and importing intermediate certificates. This step-by-step guide ensures encrypted communication and proper certificate deployment for your exchange server.

Discover how to add a cross-sign certificate on Windows, remove the Sectigo Root R46/E46, and properly bind your SSL certificate to a website using Microsoft IIS. Get step by step instructions with examples.