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Clear DNS cache

Overview​

About this script

This script improves your privacy on macOS.

These changes use Mac system commands to update your settings.

This script uses Bash (Shell script) scripting language.

Safe for General Use

This script is recommended for all users. It helps to improve privacy without affecting stability.

Implementation Details

  • Language: bash

  • Required Privileges: Administrative (sudo) access

  • Compatibility: macOS only

  • Reversibility: Some changes may be permanent

Explore Categories​

This action belongs to Privacy cleanup category. This category configures macOS using 85 scripts. These scripts are organized in 12 categories. The category includes 6 subscripts and 6 subcategories that include more scripts and categories. Read more on category page ▶

Apply now​

Choose one of three ways to apply:

  1. Automatically via privacy.sexy: The easiest and safest option.
  2. Manually by downloading: Requires downloading a file.
  3. Manually by copying: Advanced flexibility.

Alternative 1. Apply with Privacy.sexy​

privacy.sexy is free and open-source application that lets securely apply this action easily.

Open privacy.sexy

privacy.sexy instructions
  1. Open or download the desktop application
  2. Search for the script name: Clear DNS cache.
  3. Check the script by clicking on the checkbox.
  4. Click on Run button at the bottom of the page.

Alternative 2. Download​

Reversible

This script is reversible, you can restore your changes to the initial/default state. The restore/revert methods provided here can help you fix issues.

If something goes wrong, use the Revert script provided above.

  1. Download the script file by clicking on the button below:

    Download script

  2. Run the script file by clicking on it.

Alternative 3. Copy​

This is for advanced users. Consider automatically applying or downloading the script for simpler way.

  1. Open Terminal app

  2. Copy the following code:

Code to apply changes
sudo dscacheutil -flushcache
sudo killall -HUP mDNSResponder
  1. Paste the code into terminal.
  2. Press Enter to apply the code.

Some scripts requires restarting your computer to take affect.

Support​

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