--- version: rssac002v3 service: d.root-servers.net start-period: '2018-02-19T00:00:00Z' end-period: '2018-02-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3507017460 dns-udp-queries-received-ipv6: 506278267 dns-tcp-queries-received-ipv4: 85433725 dns-tcp-queries-received-ipv6: 14010015 dns-udp-responses-sent-ipv4: 3506828824 dns-udp-responses-sent-ipv6: 506087520 dns-tcp-responses-sent-ipv4: 85407744 dns-tcp-responses-sent-ipv6: 14004044