--- version: rssac002v3 service: a.root-servers.net start-period: '2019-01-31T00:00:00Z' metric: rcode-volume '0': 2419098422 '1': 912122 '2': 7293 '3': 4180627179 '4': 16730 '5': 269753 '6': 80508 '7': 2011 '8': 5350 '9': 12383 '10': 2146 '11': 10748 '12': 2229 '13': 963 '14': 1753 '15': 1193