IPCONFIG Explained - Flush DNS Cache

Recent questions

• What is IPConfig and its purpose?

  IPConfig is a command line tool that displays TCP/IP network configuration on Windows computers. It shows details such as IP address, subnet mask, and default gateway, which are essential for troubleshooting network issues.

• Why is it important to have both IPv4 and IPv6 addresses?

  Having both IPv4 and IPv6 addresses is crucial for compatibility during the migration from IPv4 to IPv6. This is necessary due to the depletion of public IPv4 addresses and ensures seamless communication between devices on different networks.

• How can IPConfig be enhanced for more detailed information?

  IPConfig can be enhanced with subcommands like "ipconfig /all" to provide a comprehensive TCP configuration. This includes details such as host name, MAC address, DHCP status, lease details, and DNS server information, offering a more in-depth view of the network setup.

• What is the purpose of using "IPConfig /flushdns"?

  The command "IPConfig /flushdns" is used to clear the DNS resolver cache. This action is crucial for faster web browsing, security against DNS spoofing, and maintaining privacy by hiding browsing behavior from potential threats.

• How can one view and clear DNS cache contents using IPConfig?

  To view DNS cache contents, one can use the command "ipconfig /displaydns," which shows records like TTL (time to live) for each entry. Additionally, the cache can be cleared using the flush command, ensuring that outdated or incorrect DNS information is removed for improved network performance.