add

src/server.py

@@ -434,8 +434,9 @@ def handle_sigint():
 def configure_asyncio_event_loop():
     """Configure the appropriate event loop based on the platform"""
     if platform.system() == 'Windows':
-        # Windows specific configuration
-        loop = asyncio.ProactorEventLoop()
+        # Windows specific configuration for aiodns compatibility
+        asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+        loop = asyncio.new_event_loop()
         asyncio.set_event_loop(loop)
     else:
         # Unix-like systems configuration
@@ -465,7 +466,16 @@ def run_server():
     except KeyboardInterrupt:
         handle_sigint()
     finally:
-        loop.close()
+        try:
+            # Clean up pending tasks
+            pending = asyncio.all_tasks(loop)
+            for task in pending:
+                task.cancel()
+            # Give tasks a chance to clean up
+            if pending:
+                loop.run_until_complete(asyncio.gather(*pending, return_exceptions=True))
+        finally:
+            loop.close()
 
 
 if __name__ == "__main__":