curl --request POST \
  --url https://{subdomain}.nudj.cx/api/v2/admin/domains \
  --header 'Content-Type: application/json' \
  --header 'x-api-token: <api-key>' \
  --data '
{
  "domain": "<string>"
}
'

{
  "success": true,
  "code": 123,
  "message": "<string>",
  "data": {
    "verified": true,
    "verification": [
      {
        "type": "<string>",
        "domain": "<string>",
        "value": "<string>",
        "reason": "<string>"
      }
    ]
  }
}