I want to know why the named daemon is running, do I need it running for my VPS to work properly ?
Can I stop or remove it ?
The removal might want to remove other packages, including quite important ones for you. So make sure to pay attention to that before proceeding with the removal. This may also reveal why
Please note that I'm not saying you should be doing this--only that you probably can, if you want. If you do this, then even if the server stops working properly, you'll probably still be able to access the Internet to download and reinstall the package. However, it's possible that you will not be able to, or that you will not be able to re-SSH to the server if your connection gets broken. (Thanks to tgm4883 for pointing this out.)
You can substantially mitigate the risk of problems by making sure you have the necessary
If you've run that recently, and not run
You may need to run
If you don't want to remove