Developed and delivered a custom domain configuration and DNS management feature for the is-a-dev/register repository, focusing on enabling streamlined domain onboarding and deployment readiness. Leveraged JSON for configuration management, allowing users to define custom domains, CNAME branding, and required DNS records for verification and Vercel deployment. Updated user identity configuration to integrate with the new onboarding flow, reducing manual intervention and improving reliability. The work involved DNS configuration, domain management, and web development skills, resulting in a more automated and branded deployment process. All changes were implemented collaboratively across multiple commits, emphasizing release discipline and maintainability within the codebase.