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How can I contact Webflow support to resolve a DNS_PROBE_FINISHED_NXDOMAIN error after connecting a custom domain?

TL;DR
  • Verify correct A and CNAME records in your domain registrar: A records (75.2.70.75, 99.83.190.102), CNAME for www to proxy-ssl.webflow.com, and remove any conflicting records.
  • Confirm domain settings in Webflow, set the www version as the primary, check status, wait for DNS propagation (up to 48 hours), clear your local DNS cache, and contact Webflow support with domain and DNS details if the issue continues.

You're encountering the DNS_PROBE_FINISHED_NXDOMAIN error after connecting a custom domain to your Webflow project. This usually means your domain DNS records are not properly configured or have not fully propagated. To resolve this with Webflow support, follow the steps below.

1. Double-Check Your DNS Settings

  • Log in to your domain registrar (e.g. GoDaddy, Namecheap, Google Domains).
  • Ensure you have added the correct A records: (a) 75.2.70.75, (b) 99.83.190.102.
  • Add a CNAME record for www pointing to proxy-ssl.webflow.com.
  • Make sure there are no conflicting A or CNAME records.

2. Confirm Domain Settings in Webflow

  • Go to Project Settings > Hosting tab in your Webflow project.
  • Scroll to Custom Domains and make sure your domain is listed there.
  • Your primary domain should be the www.example.com version, not example.com.
  • Click Check Status to update and validate connection.

3. Wait for DNS Propagation

  • DNS changes can take up to 48 hours, though it's often quicker.
  • Use a tool like whatsmydns.net to check propagation status globally.

4. Clear Local DNS Cache

  • On Windows, use the Command Prompt and run ipconfig /flushdns.
  • On macOS, open Terminal and run sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder.
  • Restart your browser or try using a different one to rule out a local caching issue.

5. Contact Webflow Support

If all steps above are correct and the site still doesn’t resolve:

  • Visit Webflow Support.
  • Scroll down and click "Contact Support".
  • You'll need to be on a paid site plan or Workspace plan to get email support.
  • Provide the following in your message:
  • Domain name (both root and www)
  • A screenshot of your DNS settings
  • Any error messages shown in your browser

Summary

To resolve the DNS_PROBE_FINISHED_NXDOMAIN error, first verify that your custom domain DNS settings are accurate and consistent with Webflow’s requirements. Once confirmed, allow for propagation and clear your local cache. If the issue persists, contact Webflow support via their Support page, providing your domain details and DNS setup.

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