Developed an opt-in fatal binding failure handling feature for the PowerDNS/pdns repository, enhancing startup reliability and observability for the dnsdist webserver and control sockets. The implementation exposed configuration options through both Lua and YAML, allowing seamless integration with service managers such as systemd. Leveraging skills in configuration management, system programming, and unit testing, the developer ensured robust coverage by adding regression tests in Python to validate default and explicit behaviors across both configuration paths. Updates included wiring the new settings through runtime configuration loading, updating documentation, and improving console completions, resulting in more transparent error handling during service startup.