--- version: rssac002v3 service: d.root-servers.net start-period: '2019-09-07T00:00:00Z' end-period: '2019-09-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8197923958 dns-udp-queries-received-ipv6: 1503943897 dns-tcp-queries-received-ipv4: 588467842 dns-tcp-queries-received-ipv6: 76077060 dns-udp-responses-sent-ipv4: 8202379730 dns-udp-responses-sent-ipv6: 1503607033 dns-tcp-responses-sent-ipv4: 588337494 dns-tcp-responses-sent-ipv6: 76029021