The DNS cache is a temporary database on your computer of all the recent DNS lookups it’s carried out. These IP addresses tell your web browser where to find the server that contains that website. This looks at the web address in your browser, and it then checks that against a database of IP addresses. When you load a website, you connect to a DNS (Domain Name System) server online. To understand what a DNS cache is, you first need to know what DNS is. How to flush the DNS cache in older macOS versions.How to flush the DNS cache in macOS Big Sur.

In this guide we’ll show you how to flush the DNS cache on your Mac and cover the following key areas: Thankfully, you can flush DNS cache on Macs in just a few short steps. You can try out MacKeeper for free, and you get one free fix to see what it can do. Hopefully, your Mac is free of malware, but you should always make sure it’s protected. If MacKeeper finds any suspicious files, take the recommended actions.Open MacKeeper, and select Antivirus from the menu.It’s worth running a scan with MacKeeper just to be sure. If you’re flashing your DNS cache because you’re experiencing problems, you might have malware on your Mac. One solution is to clear your Mac’s DNS cache. But if it gets corrupted, then you can run into problems loading sites, with 404 errors being common. It works quietly in the background, sending you to the right websites when you ask for them. Most of the time, your Mac’s DNS cache isn’t something you need to worry about.

How to do an ipconfig on a mac