What Does It Mean if Your DNS Server Might Be Unavailable?


Angela Bailey

What Does It Mean if Your DNS Server Might Be Unavailable?

If you’ve ever encountered a “DNS server unavailable” error message, you may be wondering what it actually means and how it can affect your internet browsing experience. In this article, we’ll explore the concept of DNS servers, why they might become unavailable, and what steps you can take to resolve the issue.

Understanding DNS Servers

DNS stands for Domain Name System. Essentially, DNS servers act as the phonebooks of the internet.

When you type a website address into your browser, such as www.example.com, your computer needs to find out the corresponding IP address to connect to that website’s server. This is where DNS servers come into play.

A DNS server translates human-readable domain names (like example.com) into machine-readable IP addresses (like It acts as an intermediary between your device and the website’s server, ensuring that you can access websites by their domain names rather than needing to remember complex IP addresses.

Possible Causes for Unavailability

There are several reasons why a DNS server might become unavailable:

  • Network connectivity issues: If your internet connection is unstable or experiencing disruptions, it may prevent your device from reaching the DNS server.
  • DNS server misconfiguration: Incorrect settings or misconfigurations on the DNS server itself can lead to unavailability.
  • ISP issues: Your Internet Service Provider (ISP) may be experiencing technical difficulties with their own DNS servers.

Troubleshooting Steps

If you encounter a “DNS server unavailable” error, here are some steps you can take to resolve the issue:

  1. Restart your router and device: Sometimes, a simple restart can resolve temporary network glitches.
  2. Check your network connection: Ensure that you have a stable internet connection and try connecting to different websites to rule out any local connectivity issues.
  3. Try using a different DNS server: You can manually configure your device to use an alternative DNS server, such as Google Public DNS or Cloudflare DNS, which are known for their reliability.
  4. Contact your ISP: If the issue persists, it may be worth reaching out to your Internet Service Provider to inquire about any known DNS server problems in your area.


In conclusion, encountering a “DNS server unavailable” error can be frustrating, but understanding the concept of DNS servers and the potential causes for unavailability can help you troubleshoot and resolve the problem. By following the troubleshooting steps outlined in this article, you’ll be able to get back online and continue browsing without any disruptions.

Remember, if the issue persists or if you’re unsure about making changes to your network settings, it’s always best to consult with a professional or contact your Internet Service Provider for assistance.

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