Networking & Web BrowsersMedium Severity
DNS_PROBE_FINISHED_NXDOMAIN: Fix Domain Name Not Resolving
Applies to: Google Chrome, macOS, Windows
Safety & Usage Advisory
Can you still drive / use device? User cannot connect to the specific web address.
Estimated Repair Cost
$0
$0 (Free Client & DNS Fix)
Diagnostic Category
Networking & Web Browsers
Google Chrome, macOS, Windows
Fix Difficulty
Beginner
~30-60 Mins Required
Common Symptoms
- Chrome error page stating 'This site can't be reached'
- DNS_PROBE_FINISHED_NXDOMAIN error code displayed
Root Causes
- Domain DNS records (A / CNAME) not configured or propagation in progress
- Corrupted local DNS cache on macOS / Windows
- Router DNS server timeout
- Expired domain registration
Step-by-Step Instructions to Fix NXDOMAIN
1
Flush Local DNS Cache
On Mac: `sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder`. On Windows: `ipconfig /flushdns`.
2
Switch to Cloudflare / Google Public DNS
Change your device DNS to 1.1.1.1 or 8.8.8.8.
3
Verify Authoritative DNS Records
Use `dig yourdomain.com +trace` to confirm valid A records pointing to server IP.
How to Prevent NXDOMAIN in the Future
- Always allow 24 hours for global DNS propagation when switching nameservers
NXDOMAIN Troubleshooting FAQs
Non-Existent Domain. It means the DNS authoritative nameservers have no IP record registered for that hostname.