Developed a JSON-based subdomain DNS configuration setup for the is-a-dev/register repository, focusing on enabling per-subdomain DNS provisioning and explicit ownership tracking. The work centered on configuration and domain management, using JSON to encode both subdomain owners and DNS records, which streamlines onboarding for new tenants and reduces deployment setup time. By establishing a clear workflow for scalable subdomain management, the implementation improved traceability and reliability in DNS provisioning. No major bugs were addressed during this period, as efforts were concentrated on delivering this foundational feature and refining the configuration management process to support future multi-tenant onboarding scenarios.