--- service: h.root-servers.net metric: rcode-volume start-period: '2016-05-14T00:00:00Z' end-period: '2016-05-14T23:59:59Z' rcodes: 0: 382447045 1: 505152 16: 7 2: 136 3: 2776641566 4: 412222 5: 9376 9: 7