--- service: h.root-servers.net metric: rcode-volume start-period: '2015-10-28T00:00:00Z' end-period: '2015-10-28T23:59:59Z' rcodes: 0: 784698850 1: 1146193 16: 8 2: 56 3: 1487779801 4: 1320746 5: 31069 6: 1 9: 10