--- version: rssac002v3 service: m.root-servers.net start-period: '2019-02-01T00:00:00Z' metric: rcode-volume rcodes: 0: 2133634043 1: 1608130 2: 127276 3: 2641715233 4: 128442 5: 856831 6: 126208 7: 127782 8: 127562 9: 131609 10: 127450 11: 126475 12: 127276 13: 126164 14: 127172 15: 126362