--- service: h.root-servers.net metric: rcode-volume start-period: '2015-06-27T00:00:00Z' end-period: '2015-06-27T23:59:59Z' rcodes: 0: 339246380 1: 539018 16: 3 2: 62 3: 569891446 4: 645385 5: 23755 9: 1