--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6131692695 dns-udp-queries-received-ipv6: 779728454 dns-tcp-queries-received-ipv4: 88735574 dns-tcp-queries-received-ipv6: 8398882 dns-udp-responses-sent-ipv4: 6156332868 dns-udp-responses-sent-ipv6: 779907865 dns-tcp-responses-sent-ipv4: 90623717 dns-tcp-responses-sent-ipv6: 8538694