--- service: h.root-servers.net metric: rcode-volume start-period: '2015-06-04T00:00:00Z' end-period: '2015-06-04T23:59:59Z' rcodes: 0: 316694808 1: 530251 16: 4 2: 25 3: 524823995 4: 699266 5: 19942 9: 12