Worked on the is-a-dev/register repository to restore and stabilize the Arbinger domain’s DNS and configuration management. Focused on recovering deleted JSON configuration files and reestablishing MX and TXT records, the work ensured reliable email delivery and seamless domain verification. Leveraged configuration management and domain management skills to mitigate risks of email outages and verification delays, while maintaining version-control hygiene for traceability and quick rollback. The technical approach centered on JSON-based config management and DNS configuration, validating workflows post-restore to enhance operational resilience. No new features were delivered during this period, with efforts concentrated on incident remediation and stability.