--- service: h.root-servers.net metric: rcode-volume start-period: '2015-08-04T00:00:00Z' end-period: '2015-08-04T23:59:59Z' rcodes: 0: 416792062 1: 1290559 16: 3 2: 5 3: 893236047 4: 815204 5: 25342 9: 5