How to Test and Choose the Best Fastest DNS Service – DNS Benchmark

Domain Name System in short DNS helps to point website name to appropriate IP address of that website . By default your ISP (internet service provider) set their own DNS servers in your system. But if you unhappy with your ISP’s DNS servers because of its speed or any other thing then you can change it. So many free and paid DNS servers are available for you. Some comes with malware protection, blocking of adult content and some other features. Some Popular free DNS Service are listed below.

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How to setup CleanBrowsing DNS Filters on Ubuntu – Protect kids from Adult Content

  • Post category:Linux
  • Post last modified:January 25, 2020
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CleanBrowsing is a free DNS based content filtering services for parents to protect kids and schools to protect students from adult online content. It comes with 3 free filters and paid plans. The free CleanBrowsing DNS Filters are divided into…

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How to Flush DNS cache in Ubuntu

  • Post category:Linux
  • Post last modified:January 17, 2021
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DNS Cache stores the IP Addresses of Web Servers that host the website. Some times you need to Flush, Reset or clear your DNS cache to resolve the new ip address of your favorite website or to take effect /etc/hosts file changes.

Flush DNS cache in Ubuntu

Flush DNS using systemd :

Open your terminal app and type the below command and hit enter.

sudo systemd-resolve --flush-caches

You can check you status of your current cache size using the below command in terminal.

sudo systemd-resolve --statistics

Flush DNS using dns clean:

To flush DNS cache on ubuntu, you need to open terminal and run the below command.

sudo /etc/init.d/dns-clean restart

or

sudo /etc/init.d/networking force-reload

This should work very well on Ubuntu 14.04 LTS and later. If it is not working for you , can try the above method to flush your DNS,
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Google chrome DNS Issue

Google Chrome is one of the fastest browser.In google chrome The DNS prefetching feature is used to load web pages faster.But it cause some problem for most users. Sometime users get a error message
“The webpage at http://www.somedomainorwebsitenameabc.com  might be temporarily down or it may have moved
permanently to a new web address.  Here are some suggestions: Reload this web page later.”
To solve this issue follow these steps.
1.Open Google Chrome.
2.Click Spanner icon located on the right side of the browser.

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