code: def delete_records(self, zone_name, record_type, subdomain):
          
          records = self._client.get('/domain/zone/{}/record'.format(zone_name),
                                     fieldType=record_type, subDomain=subdomain)
          for record in records:
              self.delete_record(zone_name, record)
docs: Delete record from have fieldType=type and subDomain=subdomain
          :param zone_name: Name of the zone
          :param record_type: fieldType
          :param subdomain: subDomain