How to Flush DNS: Step-by-Step Guide for Windows, MacOS, and Linux

Learn how to flush your DNS cache to fix internet connectivity issues with our easy guide for Windows, MacOS, and Linux.

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Flushing DNS can help resolve internet connectivity issues. Here's how: For Windows: Open the Command Prompt as an admin and type `ipconfig /flushdns`. Press Enter. For MacOS: Open Terminal and enter `sudo killall -HUP mDNSResponder`. Provide your password if prompted. For Linux: Type `sudo systemd-resolve --flush-caches` in the Terminal. This will clear your DNS cache and potentially fix network problems.**

FAQs & Answers

  1. What does flushing DNS do? Flushing DNS clears the DNS cache, which can help resolve internet connectivity issues and ensure that your device accesses the most up-to-date DNS information.
  2. How often should I flush my DNS? You don't need to flush your DNS regularly, but you should do it if you experience connectivity issues or if a website isn't loading correctly.
  3. Are there any risks associated with flushing DNS? Flushing DNS is generally risk-free and is a common troubleshooting step. However, it may temporarily slow down internet browsing as your system rebuilds the DNS cache.
  4. Does flushing DNS improve internet speed? Flushing DNS can resolve certain connectivity problems, which may lead to a speed improvement in accessing websites that have changed their IP address.