Worked on the is-a-dev/register repository to streamline domain configuration by simplifying domain names and cleaning up unused resources. The main feature involved renaming debkanchan.is-a.dev to dk.is-a.dev throughout the repository, which reduced complexity and improved clarity for future maintenance. Using JSON for configuration and leveraging Git-based repository management, the work focused on clean code practices and careful file management. By removing an obsolete GitHub Pages JSON resource, the changes decreased repository clutter and minimized the risk of misconfiguration. These updates enhanced maintainability and made onboarding easier for new contributors, while ensuring traceable, well-documented commits for future reference.