Now, type the following command in the terminal. Then, type “Terminal” in the search field and open the app from the search results. The NIC-level DNS setting points to the local DNS server (which can be localhost, if youre looking at the NIC directly on the local DNS box), and (only) the DNS server points to the forwarder to the ISP DNS server (s). Alternatively, you can open the spotlight by pressing the command + space bar. For a local DNS configuration where you are running your own DNS server. To access spotlight search, click the “Magnifying Glass” icon in the top right corner of your desktop. You can open the terminal using Spotlight Search. We will use the terminal to flush DNS cache on your machine.macOS 11 (Big Sur) macOS 10.15 (Catalina) macOS 10.14 (Mojave). Now, without further action, let’s take a look at the steps required. Clear DNS cache on Windows, macOS, Linux, iPhone, Android, iOS, Chrome. Flushing the DNS cache on your Mac removes all invalid entries and forces the system to remember those addresses when you visit the website.īefore you proceed with the following process, make sure that your Mac is running at MacOS Catalina or later, as cleaning dns cache on older versions of macOS changes a little. However, if this IP address changes before logging into your DNS cache updates, you will not be able to access the site without resetting your DNS cache. Your Mac saves the IP addresses of web servers that you have visited recently.

But if you are facing only connectivity problems on that particular website, it can be a DNS error, and when cleaning the DNS cache can help. If you are unable to access a recently visited website, of course, you will first check if you have an Internet connection to work.

This guide will go through how to flush DNS cache in MacOS Big Sur and MacOS Catalina.

Flushing DNS cache is especially common with web developers and network admins, but is also used by other advanced users. MacOS users may need to flush DNS cache on their Max for certain websites, domains, or troubleshooting purposes.

Flush dns mac big sur