Network · medium

How to fixDNS_PROBE_FINISHED_NXDOMAIN

DNS Probe Finished NXDOMAIN

What this error means

This medium-severity issue affects the network adapter. A common browser error code displaying when the web browser cannot resolve a website's domain name because the DNS server reports that the domain name does not exist (Non-Existent Domain). It's most often caused by corrupt local DNS resolver cache, incorrect network DNS servers and VPN/firewall blocking DNS requests. The steps below are ordered to resolve this efficiently.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Flush DNS resolver cache

Flush DNS resolver cache.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Change DNS servers to Google DNS (8.8.8.8) or Cloudflare DNS (1.1.1.1)

Change DNS servers to Google DNS (8.8.8.8) or Cloudflare DNS (1.1.1.1).

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Restart the router

Restart the router.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Corrupt local DNS resolver cache
  • Incorrect network DNS servers
  • VPN/firewall blocking DNS requests