--- service: h.root-servers.net metric: rcode-volume start-period: '2015-10-01T00:00:00Z' end-period: '2015-10-01T23:59:59Z' rcodes: 0: 721068076 1: 1249985 16: 8 2: 62 3: 1390512623 4: 1477523 5: 40701 9: 14