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DOMAIN NAME SYSTEM

What is DNS?

  • Internet Directory Service
  • A client-server application that maps host names into their corresponding IP addresses
  • Mapping host names into their corresponding IP addresses is called name resolution or name translation or name mapping or Address Resolution

 

How to clear your DNS cache

The Steps are listed depending on your Operating System, so choose yours and lets begin, and end too, seriously its not that long of a process.

OS: Windows 10, 8.1, 8, 7.

Step 1. Open up your Command Prompt, there are many ways, the easiest, Right-click on your start button and click Command Prompt (Admin)

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Step 2. Click on “Yes”, when prompted.

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Step 3. Copy and paste the command below on the Command Prompt, or just write it, and hit enter.

ipconfig /flushdns

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If the command succeeds, the system returns the following message:

Windows IP configuration successfully flushed the DNS Resolver Cache.

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OS : Ubuntu, Linux Mint, Linux

Step 1. Open up your terminal, again there are many ways, easiest being, press Ctrl+Alt+T.

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Step 2. Write the command below and press enter.

Note: The terminal will prompt you for the password of the user account you are on, so have it on you.

 

OS : MacOS

MacOS’s command depends on the version, so pay attention on Step 2.

 

Step 1. Open Up your terminal, there are many ways to do so, one being, go on search, write terminal, and open it.

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Step 2. Write the command depending on your version of MacOS, and press enter.

Note: Have the Computer’s Admin password with you.

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MacOS 10.7, 10.8, and 10.9

 

Run the following command:

sudo killall -HUP mDNSResponder

 

MacOS® 10.10.1, 10.10.2, and 10.10.3

 

Run the following command:

sudo discoveryutil mdnsflushcache

 

MacOS 10.7, 10.8, and 10.9

 

Run the following command:

sudo killall -HUP mDNSResponder

 

MacOS 10.5 and 10.6

 

Run the following command:

sudo dscacheutil -flushcache

 

 

Categories: Tutorials

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