Worked on the hackclub/dns repository to resolve a critical DNS routing and connectivity issue affecting sahas.dino.icu. Addressed the problem by updating both A and AAAA DNS records and modifying the dino.icu.yaml configuration to align with recent Hack Club nest infrastructure changes. Utilized DNS management, infrastructure configuration, and network configuration skills, with YAML as the primary language for configuration updates. The solution was delivered through two incremental commits, each documenting changes to IPv6 and AAAA records. This work improved subdomain uptime and user access reliability, demonstrating careful change management and a methodical approach to maintaining robust DNS infrastructure.