Custom Domain - Cloudfront & Cloudflare

January 18, 2026

Step 1: Request ACM Certificate (AWS)

  1. Go to AWS Certificate Manager in us-east-1 region
  2. Click Request a public certificate
  3. Add domain names: e.g., heartbeat.intelliumx.com
  4. Select DNS validation
  5. Click Request

Step 2: Add Validation Records to CloudFlare

  1. In ACM, copy the CNAME name and value shown for validation
  2. Go to CloudFlare DNS settings
  3. Add a new CNAME record with the name and value from ACM
  4. Important: Set proxy status to DNS only (grey cloud) for validation
  5. Save the record

Step 3: Wait for Certificate Validation

  1. Return to ACM console
  2. Wait for certificate status to change to Issued (usually a few minutes)
  3. If it stays pending, double-check the CNAME record in CloudFlare

Step 4: Configure CloudFront Distribution

  1. Go to CloudFront console
  2. Select your distribution and click Edit
  3. Under Alternate Domain Names (CNAMEs), add: heartbeat.intelliumx.com
  4. Under SSL Certificate, select Custom SSL certificate
  5. Choose your ACM certificate from the dropdown
  6. Save changes and wait for deployment to complete

Step 5: Point Domain to CloudFront (CloudFlare DNS)

  1. In CloudFlare DNS, create a CNAME record:
    • Type: CNAME
    • Name: heartbeat
    • Target: your-distribution.cloudfront.net (from CloudFront console)
    • Proxy: Choose Proxied (orange) or DNS only (grey)