--- service: h.root-servers.net metric: rcode-volume start-period: '2015-06-05T00:00:00Z' end-period: '2015-06-05T23:59:59Z' rcodes: 0: 328492796 1: 500806 16: 1 2: 26 3: 523856207 4: 685882 5: 19515 9: 4