Worked on the is-a-dev/register repository to enhance domain reliability by addressing a critical configuration issue. Focused on stability, the work involved fixing domain ownership and DNS settings by updating the owner username and correcting the CNAME record, directly reducing the risk of misconfiguration for customer domains. The solution was delivered as a targeted, low-risk patch with a clear rollback strategy, emphasizing careful change validation and minimal disruption. Leveraged skills in configuration management and domain management, utilizing JSON for precise updates. This approach improved uptime for customer domains and streamlined support by ensuring accurate domain mapping and ownership handling.