Programming Tutorials

  Few notifications generate as much immediate anxiety for a site maintainer as the automated email from cPanel:   "AutoSSL failed to renew the certificate for example.com." The error logs almost always point to a failure in Domain Control Validation (DCV). You will likely see error strings referencing  DNS DCV: No local authority  or an  HTTP DCV  failure resulting in a 403 Forbidden or a redirection loop. If your domain utilizes Cloudflare as its DNS provider and proxy, this is not a random glitch. It is a structural conflict between cPanel’s validation logic and Cloudflare’s traffic handling. This article provides a technical breakdown of why this conflict occurs and details the rigorous configuration changes required to resolve it permanently without sacrificing Cloudflare’s security features. The Architecture of the Failure To fix the problem, you must first understand the validation vector. When cPanel’s AutoSSL (typically powered by Sectigo or Let’s ...