--- service: a.root-servers.net start-period: '2014-07-01T00:00:00Z' end-period: '2014-07-01T23:59:59Z' metric: rcode-volume 0: 1273933023 1: 628420 2: 1008 3: 972231683 4: 7809 5: 1054234 6: 812 7: 724 8: 345 9: 1960 10: 374 11: 450 12: 464328 13: 570 14: 923 15: 1031 16: 7