CNAME et Target

function adobeTargetCnameValidation {
  local hostname="$1"

  if [ -z "$hostname" ]; then
    echo "ERROR: no hostname specified"
    return 1
  fi

  local service="Adobe Target CNAME implementation"
  local edges="41 42 44 45 46 47 48"
  local edgeDomain="tt.omtrdc.net"
  local edgeFormat="mboxedge%d%s.$edgeDomain"
  local poolDomain="pool.data.adobedc.net"
  local shards=5
  local shardsFoundCount=0
  local shardsFound=""
  local shardsFoundOutput=""
  local curlRegex="subject:.*CN=|expire date:|issuer:"
  local curlValidation="SSL certificate verify ok"
  local curlResponseValidation='"OK"'
  local curlEndpoint="/uptime?mboxClient=uptime3"
  local url="https://$hostname$curlEndpoint"
  local sslShopperUrl="https://www.sslshopper.com/ssl-checker.html#hostname=$hostname"
  local success="✅"
  local failure="🚫"
  local info="🔎"
  local rule="="
  local horizontalRule="$(seq ${COLUMNS:-30} | xargs printf "$rule%.0s")"
  local miniRule="$(seq 5 | xargs printf "$rule%.0s")"
  local curlVersion="$(curl --version | head -1 | cut -d' ' -f2)"
  local curlVersionRequired=7.49
  local edgeCount="$(wc -w <<< "$edges" | tr -d ' ')"
  local cnameExists=""
  local endToEndTestSucceeded=""

  for region in IRL1 IND1 SIN OR SYD VA TYO; do
    local currShard="${region}-${poolDomain}"
    local curlResult="$(curl -vsm20 --connect-to "$hostname:443:$currShard:443" "$url" 2>&1)"

    if grep -q "$curlValidation" <<< "$curlResult"; then
      shardsFound+=" $currShard"

      if grep -q "$curlResponseValidation" <<< "$curlResult"; then
        shardsFoundCount=$((shardsFoundCount+1))
        shardsFoundOutput+="\n\n$miniRule $success $hostname [edge shard: $currShard] $miniRule\n"
      else
        shardsFoundOutput+="\n\n$miniRule $failure $hostname [edge shard: $currShard] $miniRule\n"
      fi

      shardsFoundOutput+="$(grep -E "$curlRegex" <<< "$curlResult" | sort)"

      if ! grep -q "$curlResponseValidation" <<< "$curlResult"; then
        shardsFoundOutput+="\nERROR: unexpected HTTP response from this shard using $url"
      fi
    fi
  done

  echo
  echo "$horizontalRule"
  echo
  echo "$service validation for hostname $hostname:"

  local dnsOutput="$(dig -t CNAME +short "$hostname" 2>&1)"
  if grep -qFi ".$edgeDomain" <<< "$dnsOutput"; then
    echo "$success $hostname passes DNS CNAME validation"
    cnameExists=true
  else
    echo -n "$failure $hostname FAILED DNS CNAME validation -- "
    if [ -n "$dnsOutput" ]; then
      echo -e "$dnsOutput is not in the subdomain $edgeDomain"
    else
      echo "required DNS CNAME record pointing to <target-client-code>.$edgeDomain not found"
    fi
  fi

  for region in IRL1 IND1 SIN OR SYD VA TYO; do
    local curlResult="$(curl -vsm20 --connect-to "$hostname:443:${region}-pool.data.adobedc.net:443" "https://$hostname$curlEndpoint" 2>&1)"

    if grep -q "$curlValidation" <<< "$curlResult"; then
      if grep -q "$curlResponseValidation" <<< "$curlResult"; then
        echo -en "$success $hostname passes TLS and HTTP response validation for region $region"
        if [ -n "$cnameExists" ]; then
          echo
        else
          echo " -- the DNS CNAME is not pointing to the correct subdomain for ${service}s with Adobe-managed certificates" \
            "(bring-your-own-certificate implementations don't have this requirement), but this test passes as configured"
        fi
        endToEndTestSucceeded=true
      else
        echo -n "$failure $hostname FAILED HTTP response validation for region $region --" \
          "unexpected response from $url -- "
        if [ -n "$cnameExists" ]; then
          echo "DNS is NOT pointing to the correct shard, notify Adobe Client Care"
        else
          echo "the required DNS CNAME record is missing, see above"
        fi
      fi
    else
      echo -n "$failure $hostname FAILED TLS validation for region $region -- "
      if [ -n "$cnameExists" ]; then
        echo "DNS is likely NOT pointing to the correct shard or there's a validation issue with the certificate or" \
          "protocols, see curl output below and optionally SSL Shopper ($sslShopperUrl):"
        echo ""
        echo "$horizontalRule"
        echo "$curlResult" | sed 's/^/    /g'
        echo "$horizontalRule"
        echo ""
      else
        echo "the required DNS CNAME record is missing, see above"
      fi
    fi
  done

  if [ "$shardsFoundCount" -ge "$edgeCount" ]; then
    echo -n "$success $hostname passes shard validation for the following $shardsFoundCount edge shards:"
    echo -e "$shardsFoundOutput"
    echo

    if [ -n "$cnameExists" ] && [ -n "$endToEndTestSucceeded" ]; then
      echo "$horizontalRule"
      echo ""
      echo "  For additional TLS/SSL validation, see SSL Shopper:"
      echo ""
      echo "    $info  $sslShopperUrl"
      echo ""
      echo "  To check DNS propagation around the world, see whatsmydns.net:"
      echo ""
      echo "    $info  DNS A records:     https://whatsmydns.net/#A/$hostname"
      echo "    $info  DNS CNAME record:  https://whatsmydns.net/#CNAME/$hostname"
    fi
  else
    echo -n "$failure $hostname FAILED shard validation -- shards found: $shardsFoundCount," \
      "expected: $edgeCount"
    echo ""
  fi

  echo
  echo "$horizontalRule"
  echo
}

$ adobeTargetCnameValidation target.example.com

==========================================================

Adobe Target CNAME implementation validation for hostname target.example.com:
✅ target.example.com passes DNS CNAME validation
✅ target.example.com passes TLS and HTTP response validation for region IRL1
✅ target.example.com passes TLS and HTTP response validation for region IND1
✅ target.example.com passes TLS and HTTP response validation for region SIN
✅ target.example.com passes TLS and HTTP response validation for region OR
✅ target.example.com passes TLS and HTTP response validation for region SYD
✅ target.example.com passes TLS and HTTP response validation for region VA
✅ target.example.com passes TLS and HTTP response validation for region TYO
✅ target.example.com passes shard validation for the following 7 edge shards:

===== ✅ target.example.com [edge shard: IRL1-pool.data.adobedc.net] =====
*  expire date: Feb 20 23:59:59 2026 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: IND1-pool.data.adobedc.net] =====
*  expire date: Feb 20 23:59:59 2026 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: SIN-pool.data.adobedc.net] =====
*  expire date: Feb 20 23:59:59 2026 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: OR-pool.data.adobedc.net] =====
*  expire date: Feb 20 23:59:59 2026 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: SYD-pool.data.adobedc.net] =====
*  expire date: Feb 20 23:59:59 2026 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: VA-pool.data.adobedc.net] =====
*  expire date: Feb 20 23:59:59 2026 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

===== ✅ target.example.com [edge shard: TYO-pool.data.adobedc.net] =====
*  expire date: Feb 20 23:59:59 2026 GMT
*  issuer: C=US; O=DigiCert Inc; CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
*  subject: C=US; ST=California; L=San Jose; O=Adobe Systems Incorporated; CN=target.example.com

==========================================================

For additional TLS/SSL validation, see SSL Shopper:

    🔎  https://www.sslshopper.com/ssl-checker.html#hostname=target.example.com

To check DNS propagation around the world, see whatsmydns.net:

    🔎  DNS A records:     https://whatsmydns.net/#A/target.example.com
    🔎  DNS CNAME record:  https://whatsmydns.net/#CNAME/target.example.com