--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5249021934 dns-udp-queries-received-ipv6: 879113108 dns-tcp-queries-received-ipv4: 109678942 dns-tcp-queries-received-ipv6: 16225965 dns-udp-responses-sent-ipv4: 5369638959 dns-udp-responses-sent-ipv6: 890192148 dns-tcp-responses-sent-ipv4: 105778746 dns-tcp-responses-sent-ipv6: 16230394