I've partnered with Apex Hosting! In my experience, their servers are lag-free, easy to manage, and of high quality. Check them out here:
RandomConfigs is a utility mod that allows you to set default configurations, gamerules, difficulties, world borders. When installed on the client, it is completely compatible with vanilla servers, and when installed on a server, it is completely compatible with vanilla clients. This also means that the client can connect with a different version of the mod to the one on the server.
For more information, see the project page for the Forge version.
