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    chrome //net-internals/#dns clear host cache

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    How to clear/flush the DNS cache in Google Chrome?

    As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser?

    How to clear/flush the DNS cache in Google Chrome?

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    Asked 11 years, 4 months ago

    Modified 1 year, 4 months ago

    Viewed 967k times 1028

    As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser?

    google-chrome dns hosts Share

    Improve this question

    edited Apr 12, 2012 at 9:26

    Jon Cairns 1033 3 bronze badges

    asked Oct 26, 2010 at 21:12

    Mee 10.4k3 3 gold badges 15 15 silver badges 6 6 bronze badges

    The only reason for me to flush Chrome's DNS cache is because if I don't, I can't access Google. Luckily, Google's not the only search engine out there (or else I wouldn't have found this question) and I only have to deal with Chrome at work. –

    Nolonar

    Apr 11, 2013 at 9:16

    For me, this is probably caused by having an incorrect DNS-server in resolv.conf. (I am trying to access an internal server on a VPN). The people at T-com have misconfigured their DNS to respond with their advertisement site instead of NXDOMAIN, and the people who wrote Chrome didn't care to respect the resolv.conf order, but instead happily use whatever DNS server appears to work. –

    Ketil

    Feb 21, 2014 at 2:32

    related: apple.stackexchange.com/questions/121425/… –

    Nathan Long

    Apr 30, 2014 at 12:51

    Add a comment

    17 Answers

    Active Oldest Votes 1479

    Navigate to chrome://net-internals/#dns and press the "Clear host cache" button.

    Share Improve this answer

    edited Mar 5, 2015 at 10:42

    CommunityBot 1

    answered Oct 26, 2010 at 22:16

    ephemient 23.8k4 4 gold badges 27 27 silver badges 20 20 bronze badges 46

    Strangely, this only works in one direction. I have a mapping in the hosts file that maps a domain name to the local machine (i.e. to 127.0.0.1), when I remove the mapping and flush the DNS cache in Chrome, it correctly loads the site from the internet, but when I add the mapping again to the hosts file, it still loads the site from the internet. It shows the cached DNS list empty in Chrome after clearing the DNS cache (also cleared the OS cache using ipconfig /flushdns), still, it loads the site from the internet! Seems like a bug. –

    Mee

    Oct 28, 2010 at 2:14

    10

    Even more annoying, Chrome shows the IP address correctly (127.0.0.1) for that domain in the DNS cache list (after flushing and trying to load the site again), still it loads the site from the internet. –

    Mee

    Oct 28, 2010 at 2:15

    6

    awesome, is there a list of all the chrome://* options anyway does anyone know? –

    Ian

    May 13, 2011 at 9:18

    35

    @Ian chrome://about –

    ephemient

    Sep 24, 2011 at 18:47

    12

    Wasn't enough for me. Had to "ipconfig /flushdns" in command prompt (found in answer below) –

    Adam Tal

    May 27, 2014 at 21:47

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    235

    Sometimes you need to flush the socket pools after flushing the DNS:

    chrome://net-internals/#sockets

    Share Improve this answer

    edited Aug 24, 2013 at 13:20

    Peter Mortensen 11.8k22 22 gold badges 68 68 silver badges 90 90 bronze badges

    answered Jun 25, 2013 at 8:38

    Bojan Hrnkas 2,6802 2 gold badges 12 12 silver badges 11 11 bronze badges 5

    Note that Chrome now monitors the hosts file and autoclears the dnscache whenever there are any changes to the hosts file. —You can easily test if that works on your system by adding a blank line after your hosts file, and the list at chrome://net-internals/#dns will be autoupdated.— Windows' dnscache service will also (at least on win 8.1) monitor the hosts file for changes, so after you have updated your hosts file, simply clicking on the button "Flush socket pools" will work. Nothing else is needed. –

    Pacerier

    May 21, 2015 at 6:02

    Yeah, I seem to have noticed the same behavior since 1 year or so. However, maybe it doesn't work all the time, for I still get the upvotes on this answer. –

    Bojan Hrnkas

    May 21, 2015 at 6:45

    Just tested on Server 2003 too. Whenever there are any changes to the hosts file, dnscache service automatically reloads the cache without any need for ipconfig /flushdns nonsense. ipconfig /flushdns seems to be a red herring in this entire issue. –

    Pacerier

    Jul 6, 2015 at 12:57

    Worked for me, even after flushing dns in cmd and doing the accepted answer –

    Rob Scott

    Dec 3, 2015 at 14:43

    1 No longer works. – Hippyjim

    Jan 17, 2018 at 21:33

    Show 7 more comments

    63

    "Navigate to chrome://net-internals/#dns" doesn't work in the Google Chrome browser, at least on my system. Looks like this solution maybe works for the Google Chrome OS, but not the Google Chrome browser more generally speaking. For me the link redirects here:

    The Chromium Projects

    It appears "Empty the Cache" is the better solution. Also note my browser says "Preferences" rather than "Options"

    Via http://www.google.com/support/forum/p/Chrome/thread?tid=026b6a1d9151a6e3&hl=en

    "Go to tools -> options -> Under the hood -> Clear Browsing data and check 'empty the cache' and click on clear browsing data. Yes yes, I know, it is not the DNS cache I would expect it to clear, but hey it seems to. And now it works for me."

    Source : superuser.com

    Google Chrome Clear or flush the DNS cache

    Explains how to flush or clear the DNS Cache on Google Chrome web browser running on Linux, Windows and Apple MacOS X.

    Google Chrome Clear or flush the DNS cache

    Author: Vivek Gite Last updated: March 4, 2022 5 comments

    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.

    Tutorial details

    Difficulty level Easy

    Root privileges No

    Requirements Google Chrome

    OS compatibility *BSD • Linux • Unix • Windows • macOS

    Est. reading time 2 minutes

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    Google Chrome Clear or flush the DNS cache

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

    Open a new tab.

    Type the url in the search box: chrome://net-internals/#dns

    Hit the “Clear host cache” button.

    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 7/8/10/11

    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

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    Clearing/flushing out DNS cache on Apple macOS

    Open the terminal App and type:

    sudo dscacheutil -flushcache

    sudo killall -HUP mDNSResponder

    Summing up

    You learned how to flush the DNS cache when using Google Chrome web browser. These instructions should work on Chromium and clone running on Windows, macOS, and Linux.

    🥺 Was this helpful? Please add your comment below ↓ to show your appreciation or feedback to the author.

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    Easy Steps to Clear DNS Cache on Windows, Chrome, Firefox and Safari

    DNS or Domain Name Service is the backbone of modern Internet infrastructure on which the World-Wide-Web works. In simple words, it works by translating

    Easy Steps to Clear DNS Cache on Windows, Chrome, Firefox and Safari

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    By Abhishek Nair on June 22, 2021

    Posted in Privacy

    Geekflare is supported by our audience. We may earn affiliate commissions from buying links on this site.

    DNS or Domain Name Service is the backbone of modern Internet infrastructure on which the World-Wide-Web works.

    In simple words, it works by translating domain names that you type in your browser’s search bar with its IP address so that your browser can reach the webserver and fetch its contents.

    DNS resolution can work another way as well, i.e., from IP to domain name. For this, your browser/OS will send name resolution queries to DNS servers as per your system’s/browser’s/ISP’s configuration. There are multiple places where we can define which name servers or DNS resolvers to use, and one may take priority over the other. Like your VPN service may override the DNS server configured by your ISP on your router.

    Your operating system and browser may cache DNS query results for faster response time as there is some latency involved in querying from DNS servers. This cache is useful in improving response time though you may need to clear this cache as it may become outdated. An old cache may also be an issue due to privacy and security reasons, as this may be used for tracking user activity. Clearing browser cache may not clear up DNS cache at all places, so knowing the specific process will help.

    In this article, we’ll be covering simple steps that you can use to clear the DNS cache on your system and different browsers.

    Windows

    On Windows, you’ll need to open Command Prompt either from the Start menu and searching for it or by pressing Ctrl + r and typing cmd and click OK. Once inside the prompt, you can issue the below command to clear the DNS cache:

    C:\>ipconfig /flushdns

    You’ll get output showing Successfully flushed the DNS Resolver Cache. as shown below:

    C:\>ipconfig /flushdns

    Windows IP Configuration

    Successfully flushed the DNS Resolver Cache.

    C:\>

    This command works on Windows XP, 7, 8, and 10 and is fairly simple to use.

    Chrome

    DNS cache, as discussed, is not only cached by an operating system like Windows; the browser you’re using may also be caching DNS records. We have the option to clear the same.

    For Chrome, open a new tab and enter chrome://net-internals/#dns in the address bar and press Enter.

    You should get a page like the following:

    Click on Clear host cache button to clear the browser’s DNS cache. No prompts or confirmation messages will be shown, but this simple action should flush Chrome’s DNS cache for you.

    Firefox

    Clearing the DNS cache in Firefox can be done by simply restarting the browser as the cache is not maintained on the disk. However, there is a way that you can follow to clear just the DNS cache in memory without needing to restart your browser.

    For this, open a new tab in Firefox and enter this in the address bar, and press enter: about:networking#dns

    This page should show you DNS cache details and offers a button Clear DNS Cache, click on it to clear the browser’s DNS cache.

    Safari

    Safari has a hidden option to clear different caches, including DNS, from its menu bar. But first, you would need to enable Develop menu.

    To do that, go to Safari menu and then open Preferences.

    Then click on the Advanced tab and then check Show Develop menu in menu bar.

    Now you should see a new option, Develop in Safari’s menu bar.

    In that menu, select Empty Caches option to clear the browser’s cache, including any caches related to DNS.

    Ideally, you should restart the browser after clearing the cache for the best results.

    Summary

    We’ve covered some simple steps that allow you to clear DNS caches on your system, including OS and different browsers. The process is usually straightforward and can be quickly done by anyone. For certain cases, this may increase users’ privacy and security, and browsing history, especially in public infrastructure.

    On the other hand, this can be helpful in troubleshooting issues related to connectivity and DNS resolution, especially for people using VPNs where caches may become old or outdated.

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