--- version: rssac002v3 service: m.root-servers.net start-period: '2019-06-01T00:00:00Z' metric: rcode-volume rcodes: 0: 1732380068 1: 731288 2: 77165 3: 2566941451 4: 77279 5: 729693 6: 77647 7: 77352 8: 76572 9: 80294 10: 76957 11: 77914 12: 77550 13: 77971 14: 77602 15: 77067