--- service: m.root-servers.net start-period: '2016-04-23T00:00:00Z' end-period: '2016-04-23T23:59:59Z' metric: rcode-volume rcodes: 0: 1098287738 1: 1264430 2: 202940 3: 1660072809 4: 203016 5: 992352 6: 201028 7: 200099 8: 201837 9: 225748 10: 200234 11: 201463 12: 202268 13: 201480 14: 201414 15: 202797