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How do I get my Webflow site live when I am receiving a DNS probe finished nxdomain error and the CName setting is not propagating correctly?

TL;DR
  • Verify domain setup in Webflow’s Hosting settings and ensure it’s connected.
  • Check A records and CNAME in your domain registrar to match Webflow’s requirements.
  • Remove conflicting DNS records that interfere with proper resolution.
  • Use a DNS checker tool to confirm propagation status globally.
  • Flush local DNS cache if needed and test from a different network or incognito mode.
  • Allow up to 48 hours for full DNS propagation.

If your Webflow site isn’t going live and you're seeing a DNS_PROBE_FINISHED_NXDOMAIN error, it means there’s an issue with your domain’s DNS settings. The likely cause is an incorrect or unpropagated CNAME or A records.

1. Check Your Domain Configuration in Webflow

  • Go to Webflow’s Project Settings > Hosting tab.
  • Ensure your domain is correctly added and shows as Connected.
  • If it displays "Needs Attention," click the domain for more details.

2. Verify DNS Records in Your Domain Registrar

  • Webflow requires these DNS records for a custom root domain setup:

  • A Records:

    • (a) 75.2.70.75
    • (b) 99.83.190.102

  • CNAME Record:

    • Host: www → Points to: proxy-ssl.webflow.com

  • If using a www subdomain as the primary:

  • Only use the CNAME Record for www (do not set A records).

3. Clear Troublesome DNS Settings

  • Remove any conflicting records, such as old A, CNAME, or TXT records pointing to a different server.
  • Registrars like GoDaddy, Namecheap, and Google Domains may add default records—make sure they’re deleted if they interfere.

4. Check Propagation Status

  • Use DNS checker tools like https://dnschecker.org to see if your records have propagated globally.
  • Select A Record and CNAME Record searches based on what you’re troubleshooting.

5. Wait for DNS Propagation (or Force Refresh)

  • DNS changes can take a few minutes to 48 hours to fully propagate.
  • Try flushing your local DNS cache:
  • Windows: Open Command Prompt and type ipconfig /flushdns, then press Enter.
  • Mac: Use Terminal and type sudo killall -HUP mDNSResponder, then press Enter.

6. Test Your Site with an Alternate Connection

  • If the domain still doesn’t resolve, test with:
  • A different network (e.g., mobile hotspot).
  • A different device.
  • A browser in Incognito Mode to rule out caching issues.

Summary

Ensure your A and CNAME records are set up correctly in your domain registrar, remove conflicting DNS settings, and check propagation using a DNS checker. If necessary, flush your local DNS cache and test from another network. DNS changes can take up to 48 hours, so patience may be required.

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