--- version: rssac002v3 service: d.root-servers.net start-period: '2019-12-15T00:00:00Z' end-period: '2019-12-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7687048372 dns-udp-queries-received-ipv6: 1533796851 dns-tcp-queries-received-ipv4: 466990388 dns-tcp-queries-received-ipv6: 92178575 dns-udp-responses-sent-ipv4: 7687098841 dns-udp-responses-sent-ipv6: 1533762464 dns-tcp-responses-sent-ipv4: 466330992 dns-tcp-responses-sent-ipv6: 92044166