Google Chrome Clear or flush the DNS cache

I think Google has its own dns caching system. I am getting the same old dns entry in my Google Chrome browser on both Linux and Apple OS X. How do I flush or clear the DNS cache in Google Chrome browser without compete shutting down?

Yes, Google Chrome browser has inbuilt DNS and proxy caching server to improve performance. You can quickly clean out or flush out DNS entries manually on Google Chrome browser.

Google Chrome Clear or flush the DNS cache

The produced to flush the DNS cache on Google Chrome browser is as follows:

  1. Open a new tab.
  2. Type the url in the search box: chrome://net-internals/#dns
  3. Hit the “Clear host cache” button.
  4. And you are done as DNS is flushed out.

Fig.01: How to Clear Chrome Browser DNS Host Cache

From the latest version of Google Chrome:

Google Chrome Flush DNS

You may need to flush out socket pools too:
Open a new tab and type the following in search box:
chrome://net-internals/#sockets
Click on the “Flush socket pools“:

Fig.02: How to Clear Chrome Browser Socket Pools

What is the DNS Cache?

DNS cache is a tiny data about frequently used domains and websites. The primary purpose of DNS cache is to speed up browsing, and when remote or ISP DNS servers are down, you can reach that website using Chrome DNS cache. However, when a website changes its DNS entry or due to some other faulty network condition, you need to flush out the DNS cache to reach to correct IP address on the Internet.

What exactly is DNS cache Flushing?

DNS cache flushing means getting rid of existing cached data DNS entries from Google Chrome. Once flushed, Google Chrome will ask for all the new IP addresses and DNS information for that website.

Clearing or flushing out DNS cache on MS-Windows 7/8/10

Open command prompt (Press the Windows Key > type Command Prompt > Right-click the application and select Run as Administrator)
ipconfig /flushdns

Clearing/flushing out DNS cache on Linux

Open the terminal and type:
sudo service network-manager restart

Clearing/flushing out DNS cache on Apple macOS

Open the terminal App and type:
sudo dscacheutil -flushcache
sudo killall -HUP mDNSResponder

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2 comments… add one
  • Maikel May 29, 2017 @ 9:29

    Clear DNS cache on Linux workstation
    #sudo nscd -i hosts

    Clear DNS cache on Linux with bind server service enabled
    #sudo rndc flush

  • Anonymous Oct 1, 2020 @ 18:43

    why is this message beside flush socket pools > may break pages with active connections< and what kind of issues will this create if any?

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