Worked on DNS infrastructure within the hackclub/dns repository, focusing on both configuration and security. Delivered a domain hosting setup for gharbiya.hackclub.com, enabling stable DNS resolution through GitHub Pages and improving user support by updating contact information. Later, addressed DNS security by removing a risky CNAME record for stemsharkya.hackclub.com, mitigating domain takeover risks and enhancing DNS integrity. Employed YAML for configuration management and applied DNS management and network security best practices throughout. Demonstrated a methodical approach to traceable, auditable changes, emphasizing disciplined Git workflows and a focus on reliability, brand protection, and clear governance in DNS operations.