--- service: h.root-servers.net metric: rcode-volume start-period: '2015-06-29T00:00:00Z' end-period: '2015-06-29T23:59:59Z' rcodes: 0: 339368589 1: 774920 16: 3 2: 20 3: 553139422 4: 769268 5: 21462 9: 4