During March 2025, this developer contributed to the XTLS/Xray-core repository by implementing a dynamic DNS-based addressPortStrategy within SocketConfig. Leveraging Go and skills in network programming and DNS resolution, they designed a system that queries SRV and TXT DNS records at runtime to determine destination addresses and ports, reducing the need for manual configuration. Their approach included robust parsing of strategy types and integration of DNS querying logic, enabling dynamic service discovery and flexible routing. This work enhanced deployment resilience in dynamic environments, demonstrating depth in protocol implementation and configuration management while addressing the challenges of modern, DNS-driven infrastructure.