--- service: a.root-servers.net start-period: '2014-06-08T00:00:00Z' end-period: '2014-06-08T23:59:59Z' metric: rcode-volume 0: 1200872866 1: 496525 2: 702 3: 559857810 4: 6311 5: 996833 6: 651 7: 272 8: 331 9: 1311 10: 675 11: 652 12: 650 13: 1100 14: 14261 15: 564 16: 5