--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-29T00:00:00Z' end-period: '2018-04-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3497340270 dns-udp-queries-received-ipv6: 622244891 dns-tcp-queries-received-ipv4: 82522114 dns-tcp-queries-received-ipv6: 12916209 dns-udp-responses-sent-ipv4: 3496402388 dns-udp-responses-sent-ipv6: 622155697 dns-tcp-responses-sent-ipv4: 82489577 dns-tcp-responses-sent-ipv6: 12914404