--- service: h.root-servers.net metric: rcode-volume start-period: '2015-10-07T00:00:00Z' end-period: '2015-10-07T23:59:59Z' rcodes: 0: 756859367 1: 1100974 16: 10 2: 113 3: 1426876970 4: 1438279 5: 32239 9: 9