--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6589687100 dns-udp-queries-received-ipv6: 1384134392 dns-tcp-queries-received-ipv4: 197508075 dns-tcp-queries-received-ipv6: 63948831 dns-udp-responses-sent-ipv4: 6422617538 dns-udp-responses-sent-ipv6: 1383562979 dns-tcp-responses-sent-ipv4: 194148267 dns-tcp-responses-sent-ipv6: 64207549