--- service: h.root-servers.net metric: rcode-volume start-period: '2015-10-12T00:00:00Z' end-period: '2015-10-12T23:59:59Z' rcodes: 0: 673733508 1: 905857 16: 1 2: 117 3: 1286669962 4: 1348608 5: 31702 9: 16