Automate Let’s Encrypt wildcard certificate renewal using Certbot’s DNS-01 challenge with BIND and RFC2136. This guide walks through dynamic DNS configuration, key management, Certbot integration, and Docker-based Nginx reload automation.

In recent years, most companies have undergone a significant shift, migrating part of their infrastructure to the cloud. This move has led to the emergence of multicloud architectures, by doing so it minimizes risk by avoiding over-reliance on a single provider. In a multicloud setup, you can distribute your infrastructure across multiple CSP (Cloud Service Provider) like AWS or Azure