What is a DNS cache?
The DNS cache is like a phonebook that stores an index of all public websites and their IP addresses. Its main purpose is to speed up a request to load a website by handling name resolution of addresses that you recently visited before the request is sent out to tons of public DNS servers.
How do I clear the DNS cache in Windows 10?
ipconfig /flushdns When you press enter, Windows clears the DNS cache. You’ll receive the following message confirming that the cache was successfully flushed.
What is a cache and how does it work?
If a machine has recently visited the page it wants to access, the cache can supply the IP address of its web server, completing the website request before the lookup has to query the DNS server.
How often should you clear your DNS cache?
Security against manipulation: You should also clear the DNS cache from time to time for security reasons. The information in the cache is practical for delivering web projects – but can quickly become dangerous in the wrong hands.
How do I clear the DNS cache on Windows 7?
As a user of Windows 7, you can run a DNS flush via the command prompt. To use this, click on the Windows home button and type “cmd” into the search bar. Then start the command line tool by clicking or pressing enter. Enter the following command: ipconfig /flushdns. When you press enter, Windows clears the DNS cache.
How do I view the DNS cache using PowerShell?
Via PowerShell. You can view the DNS cache using Windows PowerShell. And like in Command Prompt, you can also export or save the database. Here’s the procedure: Press the Win + X keyboard shortcut, and select Windows PowerShell Admin.
How do I enable DNS caching in Windows 10?
Here’s the procedure: Press the Win + X keyboard shortcut, and select Windows PowerShell Admin. Alternatively, if you can’t find that option, press the Win + S shortcut keys, type in “PowerShell” (no quotes) and select Run as Administrator on the right pane. Next, input the command “Get-DnsClientCache” (no quotes), and press Enter.