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Tips to clear the DNS cache on your Mac with macOS Sonoma

clear the DNS cache on your Mac

Before proceeding to clear the DNS cache on your Mac with macOS Sonoma, it’s essential to explore a few preliminary solutions for potential connectivity issues:

Router Restart:

Turn off your router and wait for approximately 2 minutes before turning it back on. This simple step often resolves internet problems associated with temporary glitches in the router.

DNS Configuration Check:

If you’ve recently modified your DNS settings, this could be the source of the issues. Refer to our tutorial to ensure your DNS configuration aligns with your network requirements.

Browser-Specific Troubleshooting:

Rule out browser-related problems by attempting to access websites using an alternative browser. This helps determine whether the issue is specific to your primary browser.
If these preliminary solutions don’t address your connectivity concerns, you can proceed to clear the DNS cache on macOS Sonoma by following these steps:

Spotlight Search:

Initiate the process by pressing Command and Space to open Spotlight search.

Access Terminal:

Type “terminal” in the search bar and select the Terminal app as it appears in the results.

Execute Commands:

Copy and paste the following command into the Terminal window:

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sudo dscacheutil -flushcache;sudo killall -HUP mDNSResponder

Password Entry:

Upon pressing Enter, you will be prompted to enter your macOS password. Note that the password entry is invisible for security reasons. Confirm the action by pressing Enter again.

By following these steps, you successfully clear the DNS cache on macOS Sonoma, which often resolves issues related to accessing specific websites. For users with older macOS versions, such as Ventura (Version 13), Monterey (Version 12), or Big Sur (Version 11), the corresponding commands for clearing the DNS cache are provided.

If clearing the DNS cache does not resolve your internet problems, consider adjusting your DNS settings:

System Preferences:

Navigate to System Preferences on your Mac.

Network Settings:

Access the Network settings within System Preferences.

Connection Selection:

Select either the Wi-Fi or Ethernet connection through which you are currently connected to the internet.

Advanced DNS Configuration:

Click on the Advanced button to access advanced settings.

DNS Server Addition:

Head to the DNS tab and click on the plus button in the DNS servers section.

Google Public DNS Addresses:

Add the Google Public DNS addresses: 8.8.8.8 and 8.8.4.4.

Confirmation and Restart:

Click OK to confirm the changes and restart your Mac to apply the new DNS settings.
This process modifies the DNS configuration on macOS, potentially resolving persistent internet connectivity issues. Clearing the DNS cache is generally considered safe and effective in resolving problems related to accessing specific websites, particularly if there have been recent updates or changes to DNS records.

It’s important to note that while clearing the DNS cache can address website access problems, it may not necessarily result in a significant speed improvement in your overall internet connection. If the issues persist, consider reaching out to your internet service provider for further assistance.

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