--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4032790951 dns-udp-queries-received-ipv6: 465064446 dns-tcp-queries-received-ipv4: 17529656 dns-tcp-queries-received-ipv6: 1030292 dns-udp-responses-sent-ipv4: 4000932684 dns-udp-responses-sent-ipv6: 465349153 dns-tcp-responses-sent-ipv4: 17628381 dns-tcp-responses-sent-ipv6: 1034877