During May 2024, this developer extended the nodejs/node repository’s DNS module to support querying and parsing TLSA DNS records, enabling automated resolution of certificate associations for enhanced TLS security. The work focused on integrating DANE readiness, reducing manual certificate validation, and improving trust in TLS connections for projects relying on Node.js DNS resolution. Using C++, JavaScript, and DNS management expertise, the developer contributed a focused, review-ready feature that lays the foundation for DNS-based authentication enhancements. The implementation demonstrated a clear understanding of network security concepts and open-source workflows, with all changes traceable through a single, well-documented commit to the repository.