How to clear the DNS cache-and what does it do

DNS-cache contains the IP-addresses of sites you've visited. He needs to when you visit the page load faster. If the site is not displayed correctly or is not loaded, it is possible that the problem lies in the outdated data DNS-kesha on your computer. Fortunately, this is easily remedied.

Windows

1. Press Win + R.
2. In the menu that opens, write cmd.

1. When you open a command prompt, type ipconfig / flushdns and press Enter.
2. After that, you should see the inscription "DNS resolver cache is successfully cleared."

OS X

The operating system of Apple's all commands are entered in the "Terminal". The easiest way to get into it via Spotlight: click on the search icon in the upper right corner.

You can find it in another way: go to Finder → «programs» → «Tools» → «Terminal».

Now you need to specify a command. It depends on what your version of the operating system.

• High Sierra:sudo killall -HUP mDNSResponder; 2 sleep; echo macOS DNS Cache Reset;
• El Capitan:sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder;
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• yosemite:sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder;
• Mavericks:dscacheutil -flushcache; sudo killall -HUP mDNSResponder;
• Lion & Mountain Lion:sudo killall -HUP mDNSResponder;
• Leopard:dscacheutil -flushcache;
• Tiger:lookupd -flushcache.

After that will enter the password and wait for the inscription macOS DNS Cache Reset.

see also

How to install a font in Windows and MacOS →

How to block the site on a Windows computer or MacOS →

How to divide the hard disk in Windows and MacOS →