How to Clear DNS Cache?

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clearing dns cache

It’s crucial to realize that your DNS cache will occasionally erase itself without your help. That’s because the DNS cache also stores a part known as TTL, or time to live, in addition to all the information that’s important for identifying and finding a website.

Any requests to the website during this time are handled directly from the local cache without the aid of the DNS server. 

The entry will be deleted from the cache after the TTL expires.

The locations (IP addresses) of web servers hosting pages you’ve recently visited are kept in your DNS cache. You won’t be able to access the website if the web server’s location changes before your DNS cache is updated.

Any IP addresses or other DNS records will be removed from your cache by flushing DNS. In addition to other problems, this can aid with security and internet connectivity.

You might need to clean your DNS cache if you receive a lot of HTML 404 error codes. Your computer will ask nameservers for the updated DNS information when you delete the DNS cache on your device.

Need for DNS Clear Cache

There might be a number of reasons to clear the DNS clear cache. Among all of them, people usually flush DNS cache for security reasons mainly for data privacy and in many cases for technical problems also.

It can route you to the most recent versions of your most regularly visited websites, restore your internet connection, protect your data privacy, and help you avoid phishing attempts and other computer assaults.

Flush DNS Cache

Here we are with the easiest ways to clear the cache.

Depending on the operating system on your computer, there are different ways to flush DNS. 

How to Clear Windows 10 DNS

The steps to flush your Windows 10 DNS cache are listed below. These instructions should function with Windows 8 as well. 1

  1. Press the Start key. In the lower-left corner, you can see the Windows logo.
  2. Select Command Prompt.
  3. Enter cmd by simultaneously pressing the Windows and R keys.
  4. A pop-up window can appear and ask you if you wish to give Command Prompt permission to modify your machine. If so, choose Yes.
  5. If you are now prompted for an administrative login, get in touch with your system administrator to continue.
  6. Type ipconfig /flushdns in the command window.
  7. Press Enter.
  8. A notice stating that the DNS Resolver Cache was successfully cleared should appear.

Windows XP, 2000, or Vista

  1. Click Start.
  2. On the Start menu, click Run.
  3. If you do not see the Run command in Vista, enter RUN in the Search bar.
  4. Run the following command in the Run text box: ipconfig /flushdns

Flush DNS Window 7

  1. Click START button
  2. Click All Programs > Accessories.
  3. Find Command Prompt. Right-click it, and choose Run as administrator.
  4. In the command prompt window, type ipconfig /flushdns.
  5.  Press Enter.
  6.  You should see a message confirming that the DNS Resolver Cache was successfully flushed.

Clearing DNS Mac OS X

  1. Click Applications.
  2. Click Utilities.
  3. Click Terminal.
  4. Run the following command: sudo killall -HUP mDNSResponder

Google Chrome DNS Flush

  1. Open Chrome tab
  2. Enter the following address: chrome://net-internals/#dns
  1. Click the ENTER key
  2. From the menu, select DNS.
  3. Click the Clear host cache button.

 

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