Worked on DNS-level improvements to enhance email reliability for Runshaw Hack Club members. Focused on the hackclub/dns repository, the developer implemented an email delivery configuration by adding an MX record for the runshaw.dino.icu domain. This change enabled proper email routing and improved deliverability for club communications. The technical approach involved editing DNS configuration files using YAML, with attention to validating external DNS entries and ensuring correct domain routing. No bug fixes were required during this period, as the work concentrated on feature delivery. The project demonstrated skills in DNS configuration and infrastructure management using YAML for declarative setup.