Developed a domain configuration management feature for the is-a-dev/register repository, introducing a JSON-based configuration file to centralize domain settings, owner information, and email DNS records. Leveraging skills in configuration management and domain management, the work focused on enabling auditable and reproducible domain data across environments. The approach included adding MX and TXT DNS entries to support reliable email deliverability and domain verification, as well as updating owner and contact metadata for accurate traceability. By utilizing JSON for structured configuration, the solution improved security, maintainability, and the ability to manage domain-related settings efficiently without manual intervention or fragmented documentation.