Fix "DNS_PROBE_FINISHED_NXDOMAIN"
DNS_PROBE_FINISHED_NXDOMAINserver IP address could not be foundthis site can't be reachedThis error means your computer asked DNS for the domain and got "no such domain" (NXDOMAIN). It's either your DNS cache/settings, or the domain's records. Here's how to tell and fix it.
Is it just you, or everyone?
Check the domain from another network/device or an online DNS tool. If it works elsewhere, it's your machine; if it fails everywhere, it's the domain's DNS.
Fix it on your side
Flush your DNS cache and try a public resolver (1.1.1.1 / 8.8.8.8):
# Windows
ipconfig /flushdns
# macOS
sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
# Linux
sudo systemd-resolve --flush-cachesFix it on the domain side
- The domain has no A record — add one pointing to your server. See pointing a domain (A record).
- The domain expired or its nameservers are wrong — check the registrar.
- A recent DNS change hasn't propagated yet — give it time.
It specifically means the DNS lookup returned no record, not that the server is down. The problem is DNS resolution, not the web server.
NXDOMAIN = the name didn't resolve. Flush your DNS and try 1.1.1.1; if it fails everywhere, fix the domain's A record/nameservers.
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Frequently asked questions
What does DNS_PROBE_FINISHED_NXDOMAIN mean?
Your computer asked DNS for the domain and got "no such domain" back. Either your local DNS cache/settings are bad, or the domain has no valid DNS record (missing A record, expired, or wrong nameservers).
How do I fix it on my computer?
Flush your DNS cache (ipconfig /flushdns on Windows) and switch to a public resolver like 1.1.1.1 or 8.8.8.8. If the site then loads, it was a local DNS issue.
Why does only my site show NXDOMAIN?
If it fails for everyone, the domain's DNS is the problem — a missing A record, expired domain, or wrong nameservers. Check the registrar and add/fix the A record.
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