--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5689944815 dns-udp-queries-received-ipv6: 773208512 dns-tcp-queries-received-ipv4: 127894325 dns-tcp-queries-received-ipv6: 19202956 dns-udp-responses-sent-ipv4: 5650670154 dns-udp-responses-sent-ipv6: 788485985 dns-tcp-responses-sent-ipv4: 125424118 dns-tcp-responses-sent-ipv6: 19274225