--- service: j.root-servers.net start-period: '2016-04-05T00:00:00Z' end-period: '2016-04-05T23:59:59Z' metric: rcode-volume 0: 2450979116 1: 590414 2: 527 3: 3665842037 4: 21125 5: 2090872 6: 162 7: 129 8: 142 9: 219 10: 240 11: 610 12: 268 13: 136 14: 157 15: 295 16: 32