docs: def edit_secondary_name_server(self, zone_name, primary=None, backup=None, second_backup=None):
          """Edit the axfr name servers of a secondary zone.
  
          Arguments:
          zone_name -- The name of the secondary zone being edited.
          primary -- The primary name server value.
  
          Keyword Arguments:
          backup -- The backup name server if any.
          second_backup -- The second backup name server.
  
          """
          name_server_info = {}
          if primary is not None:
              name_server_info['nameServerIp1'] = {'ip':primary}
          if backup is not None:
              name_server_info['nameServerIp2'] = {'ip':backup}
          if second_backup is not None:
              name_server_info['nameServerIp3'] = {'ip':second_backup}
          name_server_ip_list = {"nameServerIpList": name_server_info}
          secondary_zone_info = {"primaryNameServers": name_server_ip_list}
          zone_data = {"secondaryCreateInfo": secondary_zone_info}
          return self.rest_api_connection.patch("/v1/zones/" + zone_name, json.dumps(zone_data))