--- service: h.root-servers.net metric: rcode-volume start-period: '2015-08-20T00:00:00Z' end-period: '2015-08-20T23:59:59Z' rcodes: 0: 677285728 1: 2990573 16: 8 2: 60 3: 1482782493 4: 1322641 5: 42081 9: 13