Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsIf Microsoft Edge shows DNS_PROBE_FINISHED_NXDOMAIN, Windows could not resolve the site’s domain name through DNS. That does not prove Edge is broken or that the site is permanently gone. Check the address and scope the problem first, then test Windows’ DNS configuration and clear its cache if appropriate.
First, find out how broad the problem is
Before changing network settings, check the address carefully, including the domain spelling and ending. Then compare what works:
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- Does the error affect one site or several?
- Can another device open the same site on your current network?
- Can this Windows device open it on a different network?
These comparisons help narrow the fault to a particular domain, this device, or the current network, but none proves the cause on its own. If only one domain fails, check that address and test it with the commands below. If many domains fail, focus on the device’s DNS settings, DNS server, and network.
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Check Windows’ IP and DNS configuration
Open Command Prompt and run:
ipconfig /allFor the active network connection, inspect the IP address, subnet mask, default gateway, DNS server addresses, and connection-specific DNS suffix. Microsoft’s DNS client troubleshooting guidance recommends checking these values. Its applicability label lists Windows Server 2016, 2019, 2022, and 2025; it is useful DNS client guidance, not a Windows 11-specific procedure.
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If the device receives its settings dynamically, Microsoft’s guidance includes ipconfig /renew. If the connection uses a static IP or DNS configuration, confirm that its TCP/IP properties match the requirements for that network instead of changing them at random. On a work or school device, ask the network administrator before changing managed settings.
Test whether the DNS server can resolve the domain
In Command Prompt, run nslookup with the affected domain in place of the example:
nslookup example.comTest the affected domain and a known public domain. Microsoft notes that nslookup does not use the Windows DNS client cache, so it checks resolution through the configured DNS server. If the affected name fails but the other resolves, the issue may be specific to that name or its DNS response. If both fail, investigate the configured resolver and its connection to the network.
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If you want to check whether the configured DNS server is reachable, a ping can provide one clue. A failed ping is not conclusive: the server or network may block ICMP even when other traffic works. Consider the result alongside the nslookup output and whether other devices or networks can resolve names.
Clear a cached negative DNS response
Windows can cache a negative answer such as “Name does not exist.” If that response is cached, clear the Windows DNS client cache from Command Prompt:
ipconfig /flushdnsThen run nslookup for the affected domain again and retry the site in Edge. Flushing the cache addresses a cached response; it will not fix every NXDOMAIN error, such as one caused by an unreachable or misconfigured DNS server.
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When the problem points beyond Edge
Microsoft’s Windows client DNS troubleshooting guidance identifies several possible causes beyond the browser: incorrect client or DNS-server configuration, an unreachable server, intermediate network devices, blocked outbound DNS traffic on UDP port 53, or a matching entry in the Windows Hosts file. If the checks above point to the network or resolver, contact the administrator for a managed connection or your internet provider for a home connection.
A Microsoft Q&A moderator response dated July 5, 2026, suggests checking nslookup, testing another network, resetting the network stack, and trying a public DNS service. Treat those as community suggestions, not guaranteed fixes. A work or school network may rely on organization-managed DNS, so do not switch to a public resolver without checking with its administrator. The evidence does not establish a single Edge-specific settings reset as an official fix for this error.
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