![]() ![]() Type in sudo killall -HUP mDNSResponder and hit Return on your keyboard.You can launch the app from Applications -> Utilities or press Command + Space to launch Spotlight and search for Terminal. Run terminal.app using your preferred method.To clear DNS cache on macOS Mojave, use the Terminal application: Flush DNS on macOS Mojave (version 10.14) There are a few different commands to use for flushing DNS cache on OS X and macOS depending on the version you are running.Īs the procedure is the same on all versions, this article details how to clear DNS on macOS Mojave (10.14) and then list the commands for other versions in a table. The DNS cache contains the following information: Instead of having to reroute to DNS servers, the system answers queries from the cache. ![]() This speeds up project load times since the cache contains IP addresses for the queried domains. Linux, Windows, and macOS save name resolution information in the form of DNS cache. Learn how to flush DNS on in macOS, Windows, & Linux below. Or, you may get a large number of 404 errors.Ĭlearing DNS cache deletes all saved DNS lookup information. Your computer then gets updated data from DNS servers next time it sends a lookup request. When that happens, IP address mapping becomes corrupted for certain popular websites.įor example, instead of going to your browser may redirect you to an IP address of a malicious website that an attacker inserted in your computer’s DNS records. DNS cache can be corrupted for a number of different reasons, including network attacks or viruses. ![]()
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