--- service: h.root-servers.net metric: rcode-volume start-period: '2015-06-26T00:00:00Z' end-period: '2015-06-26T23:59:59Z' rcodes: 0: 320069387 1: 515273 16: 4 2: 55 3: 553861803 4: 703523 5: 21248 9: 4