--- version: rssac002v3 service: a.root-servers.net start-period: '2019-01-03T00:00:00Z' metric: rcode-volume '0': 2142320102 '1': 618421 '2': 81746 '3': 3609634314 '4': 10082 '5': 1089815 '6': 3394 '7': 56122 '8': 3191 '9': 2844 '10': 2593 '11': 4259 '12': 1113804 '13': 1016 '14': 8663 '15': 2187