--- version: rssac002v3 service: a.root-servers.net start-period: '2018-06-20T00:00:00Z' metric: rcode-volume '0': 3529312284 '1': 616753 '2': 529558 '3': 2844746904 '4': 1338856 '5': 1883786 '6': 439 '7': 4686 '8': 15633 '9': 5163 '10': 6256 '11': 4959 '12': 1386627 '13': 180981 '14': 23388 '15': 6231