--- service: a.root-servers.net start-period: '2014-10-16T00:00:00Z' end-period: '2014-10-16T23:59:59Z' metric: rcode-volume 0: 543924231 1: 264267 2: 833 3: 426585216 4: 8640 5: 423585 6: 1259 7: 864 8: 752 9: 1351 10: 1092 11: 823 12: 623 13: 898 14: 1008 15: 784 16: 9