--- service: h.root-servers.net metric: rcode-volume start-period: '2015-08-06T00:00:00Z' end-period: '2015-08-06T23:59:59Z' rcodes: 0: 411195432 1: 1161084 16: 2 2: 10 3: 843561441 4: 753181 5: 23814 7: 2 9: 6