def get_dns_classification(self) -> list:
    """Get application definition for DNS from Cloud Portal. This
    generates a lot of data and require longer response time.

    .. list-table::
        :header-rows: 1

        * - Swagger Section
          - Method
          - Endpoint
        * - spPortal
          - GET
          - /spPortal/dnsClassification

    :return: Returns list of dictionaries with DNS details
    :rtype: dict
    """
    return self._get("/spPortal/dnsClassification")