--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6363601601 dns-udp-queries-received-ipv6: 1052507623 dns-tcp-queries-received-ipv4: 64587549 dns-tcp-queries-received-ipv6: 8725115 dns-udp-responses-sent-ipv4: 6480186520 dns-udp-responses-sent-ipv6: 1062238402 dns-tcp-responses-sent-ipv4: 66214717 dns-tcp-responses-sent-ipv6: 8697264