Skip to main content

FAQ

Why can't the custom domain be accessed?​

Follow the steps below to troubleshoot the issue:

  1. Check domain name filing: Confirm whether the domain name has completed ICP filing.
  2. Verify resolution configuration: Confirm whether the CNAME resolution record is configured correctly.
  3. Test DNS resolution: Use the nslookup command to check whether the DNS resolution has taken effect.
  4. Check the SSL certificate: If HTTPS is used, confirm whether the SSL certificate is configured correctly.

How to Update the SSL Certificate for a Bound Domain​

  1. Go to TCB Platform/HTTP Access Service
  2. Locate the bound domain and click 'Edit'
  3. Update the SSL certificate configuration and save

How to Delete a Bound Custom Domain​

  1. Go to TCB Platform/HTTP Access Service
  2. Locate the domain to be deleted and click 'Delete'
  3. Confirm the deletion operation

⚠️ Note: After deletion, the domain will no longer be able to access your CloudBase service.

How to Switch from a Custom CDN to TCB CDN​

  1. Click 'Modify CDN Type', select TCB CDN. After modification, a new CNAME domain will be generated.
  2. If the TCB console prompts "The domain already exists in CDN. Please go to Static Website Hosting or CDN console to delete it before rebinding", you need to delete the domain in the CDN console before proceeding.
  3. Modify the DNS resolution to the new CNAME domain

⚠️ Note: After deleting the domain, it will cause abnormal access to your service. Please proceed with caution.

How to Seamlessly Switch from TCB CDN to a Custom CDN​

Currently not supported. If you require a lossless switch, please contact us.

How to Seamlessly Switch from Tencent Cloud Custom CDN to TCB CDN​

  1. Click 'Modify CDN Type', select 'Disable CDN'. After modification, a new CNAME domain will be regenerated.
  2. After manually confirming that access is normal, modify the DNS resolution to the CNAME domain without CDN.
  3. Delete Tencent Cloud custom CDN
  4. Click 'Modify CDN Type', select TCB CDN. After modification, a new CNAME domain will be regenerated.
  5. After manually confirming that access is normal, modify the DNS resolution to the CNAME domain of TCB CDN.

How to manually check whether access is normal before modifying DNS resolution?​

  1. Configure domain-associated resources
  2. Configure TXT resolution. For detailed configuration, refer to Configure domain TXT resolution records
  3. Locally use curl to access the resource path and verify whether the response is correct
# HTTP Access Probe
curl -v --resolve [www.example.com]:80:[cname.domain] http://www.example.com/[your-path]

# HTTPS Access Probe
curl -v --resolve [www.example.com]:443:[cname.domain] https://www.example.com/[your-path]

Parameter description:

  • www.example.com: replace with your custom domain
  • cname.domain: replace with your CNAME domain
  • your-path: replace with your resource access path