--- service: a.root-servers.net start-period: '2014-06-06T00:00:00Z' end-period: '2014-06-06T23:59:59Z' metric: rcode-volume 0: 1208750535 1: 452523 2: 711 3: 649018489 4: 37060 5: 1008788 6: 476 7: 5034 8: 417 9: 719 10: 1765 11: 632 12: 304 13: 608 14: 881 15: 950 16: 1