--- service: h.root-servers.net metric: rcode-volume start-period: '2015-06-25T00:00:00Z' end-period: '2015-06-25T23:59:59Z' rcodes: 0: 342504100 1: 480985 2: 42 3: 530618540 4: 713399 5: 22562 9: 5