The error is a common connection issue that occurs when your browser cannot find the IP address associated with a domain name. The "NXDOMAIN" part of the error literally stands for "Non-Existent Domain," meaning the Domain Name System (DNS) query failed to resolve.

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While the error looks intimidating, it is rarely a sign of a serious hardware failure. Most often, the issue is a temporary misconfiguration on your local device, router, or the website's DNS records. Common Causes of the Error