DNS cache
stores the locations (IP addresses) of webservers which contain pages
which you have recently viewed. You will be unable to access the site,
if the location of the web server changes before the entry in your DNS
cache updates!
If you encounter a large number of HTML 404 error codes, and you may need to clear your DNS cache. Once the DNS cache has been cleaned, your computer will query nameservers for the new DNS information.
The following methods allow you to remove old and inaccurate DNS information that may result in 404 errors for MAC and Windows:
If you encounter a large number of HTML 404 error codes, and you may need to clear your DNS cache. Once the DNS cache has been cleaned, your computer will query nameservers for the new DNS information.
The following methods allow you to remove old and inaccurate DNS information that may result in 404 errors for MAC and Windows:
Windows® 8
Press “Win+X” to open the “WinX Menu”
Right-click on “Command Prompt” and select “Run as Administrator”
Type the following command and press “Enter”: ipconfig /flushdns
If the command was successful, you will see the following message: Windows IP configuration successfully flushed the DNS Resolver Cache
Type the following command and press “Enter”: ipconfig /flushdns
If the command was successful, you will see the following message: Windows IP configuration successfully flushed the DNS Resolver Cache
Windows 7
Click the “Start” button
Enter “cmd” in the Start menu search field
Right-click on “Command Prompt” and select “Run as Administrator”
Type the following command and press “Enter“: ipconfig /flushdns
If the command was successful, you will see the following message: Windows IP configuration successfully flushed the DNS Resolver Cache
Right-click on “Command Prompt” and select “Run as Administrator”
Type the following command and press “Enter“: ipconfig /flushdns
If the command was successful, you will see the following message: Windows IP configuration successfully flushed the DNS Resolver Cache
Windows XP, 2000, or Vista®
Click the “Start” button
On the Start menu, click “Run”…
If you do not see the Run command in Vista, enter “run” in the Search bar
Type the following command in the Run text box: ipconfig /flushdns
If you do not see the Run command in Vista, enter “run” in the Search bar
Type the following command in the Run text box: ipconfig /flushdns
MacOS® 10.7 and 10.8
Click “Applications“
Click “Utilities”
Double-click the Terminal application
Type the following command: sudo killall -HUP mDNSResponder
Note: To run this command, you will need to know the computer’s Admin account password.
MacOS 10.5 and 10.6
Click “Applications“
Click “Utilities“
Double-click the Terminal application
Type the following command: sudo dscacheutil -flushcache
Double-click the Terminal application
Type the following command: sudo killall -HUP mDNSResponder
Note: To run this command, you will need to know the computer’s Admin account password.
MacOS 10.5 and 10.6
Click “Applications“
Click “Utilities“
Double-click the Terminal application
Type the following command: sudo dscacheutil -flushcache
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