DNS Configuration
DNS Configuration refers to the process of setting up and managing Domain Name System (DNS) records and settings to map human-readable domain names to IP addresses and other resources on a network. It involves configuring various record types like A, AAAA, CNAME, MX, and TXT to control how domains resolve, route traffic, and handle email. This is essential for making websites, applications, and services accessible over the internet or private networks.
Developers should learn DNS Configuration when deploying web applications, managing domains, or setting up cloud infrastructure to ensure reliable and secure access to their services. It is crucial for tasks like pointing domains to servers, setting up subdomains for staging environments, configuring email delivery with MX records, and implementing security measures like SPF and DKIM. Understanding DNS helps troubleshoot connectivity issues and optimize performance through techniques like load balancing with round-robin DNS.