--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-11T00:00:00Z' end-period: '2018-12-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6488399183 dns-udp-queries-received-ipv6: 1514841885 dns-tcp-queries-received-ipv4: 329046152 dns-tcp-queries-received-ipv6: 46533224 dns-udp-responses-sent-ipv4: 6488397275 dns-udp-responses-sent-ipv6: 1514582903 dns-tcp-responses-sent-ipv4: 328405094 dns-tcp-responses-sent-ipv6: 46454756