--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-21T00:00:00Z' end-period: '2018-01-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3355252453 dns-udp-queries-received-ipv6: 524711535 dns-tcp-queries-received-ipv4: 71080111 dns-tcp-queries-received-ipv6: 12504952 dns-udp-responses-sent-ipv4: 3354205748 dns-udp-responses-sent-ipv6: 524518982 dns-tcp-responses-sent-ipv4: 71046488 dns-tcp-responses-sent-ipv6: 12502851