--- service: h.root-servers.net metric: rcode-volume start-period: '2015-08-08T00:00:00Z' end-period: '2015-08-08T23:59:59Z' rcodes: 0: 387099825 1: 1435248 16: 4 2: 27 3: 874024274 4: 633837 5: 18339 9: 5