DNS (Domain Name System) caches store information about websites you have visited recently. This data is stored in order to speed up the process of navigating to websites, and can be viewed and managed to ensure your computer is working optimally. Here's how to view your DNS cache:
If possible, you should restart your computer after flushing the DNS cache in order for the changes to take effect. Doing this will also maximize the speed of your computer when navigating the internet.