The following methods allow you to remove old and inaccurate DNS information that may result in 404 errors. After you clear your DNS cache, your computer will query nameservers for the new DNS information.
Windows 10
To clear your DNS cache if you use Windows 8, perform the following steps:
- On your keyboard, press Win+X to open the WinX Menu.
- Right-click Command Prompt and select Run as Administrator.
- Run the following command: ipconfig /flushdns
- If the command succeeds, the system returns the following message: Windows IP configuration successfully flushed the DNS Resolver Cache.
Windows 8
To clear your DNS cache if you use Windows 8, perform the following steps:
- On your keyboard, press Win+X to open the WinX Menu.
- Right-click Command Prompt and select Run as Administrator.
- Run the following command: ipconfig /flushdns
- If the command succeeds, the system returns the following message: Windows IP configuration successfully flushed the DNS Resolver Cache.
Windows 7
To clear your DNS cache if you use Windows 7, perform the following steps:
- Click Start.
- Enter cmd in the Start menu search text box.
- Right-click Command Prompt and select Run as Administrator.
- Run the following command: ipconfig /flushdns
- If the command succeeds, the system returns the following message: Windows IP configuration successfully flushed the DNS Resolver Cache.
Windows XP, 2000, or Vista
To clear your DNS cache if you use Windows XP, 2000, or Vista, perform the following steps:
- Click Start.
- On the Start menu, click Run.
- If you do not see the Run command in Vista, enter run in the Search bar.
- Run the following command in the Run text box: ipconfig /flushdns
- If the command succeeds, the system returns the following message: Successfully flushed the DNS Resolver Cache.
MacOS 10.10.4 and above
To clear your DNS cache if you use MacOS X version 10.10.4 or above, perform the following steps:
- Click Applications.
- Click Utilities.
- Click Terminal.
- Run the following command: sudo killall -HUP mDNSResponder
- If the command succeeds, the system does not return any output.
- Warning: To run this command, you must know the computer's administrator account password.
MacOS 10.10.1, 10.10.2, and 10.10.3
To clear your DNS cache if you use MacOS X version 10.10 through 10.10.3, perform the following steps:
- Click Applications.
- Click Utilities.
- Click Terminal.
- Run the following command: sudo discoveryutil mdnsflushcache
- If the command succeeds, the system does not return any output.
- Warning: To run this command, you must know the computer's administrator account password.
MacOS 10.7, 10.8, and 10.9
To clear your DNS cache if you use MacOS X version 10.7, 10.8, or 10.9, perform the following steps:
- Click Applications.
- Click Utilities.
- Double-click Terminal.
- Run the following command: sudo killall -HUP mDNSResponder
- If the command succeeds, the system does not return any output.
- Warning: To run this command, you must know the computer's administrator account password.
MacOS 10.5 and 10.6
To clear your DNS cache if you use MacOS X version 10.5 or 10.6, perform the following steps:
- Click Applications.
- Click Utilities.
- Double-click Terminal.
- Run the following command: sudo dscacheutil -flushcache
- If the command succeeds, the system does not return any output.
- Warning: To run this command, you must know the computer's administrator account password.
