Email Address Check with Mail Server List (Format, MX, Webmail Provider)

{
  "type": "object",
  "required": [
    "email"
  ],
  "properties": {
    "email": {
      "type": "string",
      "examples": [
        "support@example.com"
      ],
      "maxLength": 320,
      "minLength": 3,
      "description": "The email address to check."
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "valid": {
      "type": "boolean",
      "description": "Overall result: true when the address passed the checks."
    },
    "domain": {
      "type": "string",
      "description": "The address's domain."
    },
    "mx_records": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Host names of the domain's mail servers."
    },
    "format_valid": {
      "type": "boolean",
      "description": "Whether the address is well formed."
    },
    "is_disposable": {
      "type": "boolean",
      "description": "Whether the domain is a known throwaway-mailbox service."
    },
    "has_mx_records": {
      "type": "boolean",
      "description": "Whether the domain publishes mail (MX) records."
    },
    "is_role_address": {
      "type": "boolean",
      "description": "Whether the mailbox is a role address such as contact@ or info@."
    },
    "is_free_provider": {
      "type": "boolean",
      "description": "Whether the domain is a consumer webmail provider (such as gmail.com)."
    }
  },
  "description": "The checks on the address."
}