get current config in kafka

I was trying to get the config for one of the kafka clusters we have. After doing a config change through puppet i want to know if kafka has reloaded the config or we need to restart the service for that.

I have tried with ./kafka-configs.sh --describe --zookeeper my-zookeeper:2181 --entity-type brokers but i only have an empty output.

I have also tried to find for the config browsing inside the zookeepers but i have found nothing.

Is there any way to retrieve which config is being used?

Thanks a lot