--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5170775874 dns-udp-queries-received-ipv6: 701293760 dns-tcp-queries-received-ipv4: 117876119 dns-tcp-queries-received-ipv6: 12878427 dns-udp-responses-sent-ipv4: 5221931633 dns-udp-responses-sent-ipv6: 695648413 dns-tcp-responses-sent-ipv4: 116338333 dns-tcp-responses-sent-ipv6: 12937861