How to Clear DNS Cache on Chrome, Firefox, and Safari

The computers and browsers we use keep a cached copy of the DNS records to reduce unnecessary DNS queries. After a certain period of time, we may need to manually clear the DNS cache so that we can make calls based on the new DNS settings. How to clear DNS cache in Chrome, Firefox and Safari in this guide We are telling.


1. DNS Cache Clean in Chrome

To clear the DNS cache on Google Chrome browser, first type chrome: // net-internals / # dns in the address bar and press Enter.


In the page that opens, we click on the Clear host cache button in the upper section. After clicking this button, the list below the page will be completely cleaned.


Now we type chrome: // net-internals / # sockets in the address bar and press Enter. In the page that opens, we click on the Flush socket pools button. We completed our operations this way and completely cleared the DNS cache entries.

2. DNS Cache Cleanup in Firefox


After launching your Firefox browser, type about: config in the address bar and hit Enter. I accept Riski on the warning screen! We click on the button and continue.

After you have passed the warning screen, you will be taken to the page where Firefox variables are located. We write network.dnsCacheExpiration in the search area above. 2 results will be displayed on the screen.

We double click on both values and set the value of 60 to 0.

We repeat the same process again after we both set it to 0 and we edit it as 60. These variables represent an expiration time for DNS registration. If you edit these values to 0, you will be able to clear the DNS cache, and later you need to restore the default value.

3. DNS Cache Clean in Safari


  • If you are using the Safari browser, we first go to the Preferences section in the Safari browser to clear the DNS cache.
  • Here we click on the Advanced section and select "Show development menu in the menu bar" from the pop-up menu.
  • This will be followed by the Development option in the menu bar. After clicking on this option, we will click on Unload Cache and we have completed the process of clearing the DNS cache.

4. DNS Cache Cleanup in Opera



The Opera browser scans the DNS cache very much like Chrome does. The only difference is that in the address bar, you write opera instead of chrome. So; opera: // net-internals / # dns and press Enter. In the page that opens, we click on Clear host cache button.


Then we type opera: // net-internals / # sockets in the address bar again and press Enter. In the opening page, we click on the Flush socket pools button to complete the process.
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