Nameservers, DNS records, propagation and troubleshooting.
DNS_PROBE_FINISHED_NXDOMAIN means the DNS lookup reported that the domain doesn't exist. Find out whether your device or the website is at fault, then work through the fixes.
Waqas Ahmed WaseerDNS records tell the internet where your site and email live. See what A, AAAA, CNAME, MX, TXT, NS, SOA, PTR, CAA and SRV records do and how to look them up.
Waqas Ahmed WaseerRun ipconfig /flushdns on Windows, sudo killall -HUP mDNSResponder on a Mac, or resolvectl flush-caches on Linux. Here are the exact commands, Chrome's own cache and a way to verify.
Waqas Ahmed WaseerFix the DNS server not responding error. Test whether DNS is the cause, then restart, flush, switch to 1.1.1.1 or 8.8.8.8, and reset Windows networking.
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