--- version: rssac002v3 service: a.root-servers.net start-period: '2019-04-23T00:00:00Z' metric: rcode-volume '0': 2390161594 '1': 7065361 '2': 299 '3': 4586431820 '4': 21559 '5': 80045 '6': 6 '7': 100 '8': 12 '9': 332 '10': 4 '11': 1325 '12': 6 '13': 6 '14': 20 '15': 204