--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-16T00:00:00Z' end-period: '2018-01-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3768984844 dns-udp-queries-received-ipv6: 577104934 dns-tcp-queries-received-ipv4: 84569258 dns-tcp-queries-received-ipv6: 12856724 dns-udp-responses-sent-ipv4: 3766988801 dns-udp-responses-sent-ipv6: 576920714 dns-tcp-responses-sent-ipv4: 84532633 dns-tcp-responses-sent-ipv6: 12854600