--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6380739792 dns-udp-queries-received-ipv6: 820092260 dns-tcp-queries-received-ipv4: 130639929 dns-tcp-queries-received-ipv6: 16683566 dns-udp-responses-sent-ipv4: 6510549659 dns-udp-responses-sent-ipv6: 832973850 dns-tcp-responses-sent-ipv4: 127989467 dns-tcp-responses-sent-ipv6: 16710987