--- service: a.root-servers.net start-period: '2014-10-10T00:00:00Z' end-period: '2014-10-10T23:59:59Z' metric: rcode-volume 0: 600992493 1: 364156 2: 1090 3: 415535976 4: 3954 5: 324036 6: 1373 7: 1285 8: 1631 9: 1571 10: 554 11: 546 12: 915 13: 965 14: 1543 15: 760 16: 16