--- service: j.root-servers.net start-period: '2015-10-25T00:00:00Z' end-period: '2015-10-25T23:59:59Z' metric: rcode-volume 0: 1662176247 1: 499200 2: 475 3: 2090396646 4: 27509 5: 977936 6: 320 7: 251 8: 2826 9: 292 10: 1242 11: 5051005 12: 370 13: 280 14: 1506 15: 1388 16: 3