--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-18T00:00:00Z' end-period: '2018-04-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4414183234 dns-udp-queries-received-ipv6: 596545298 dns-tcp-queries-received-ipv4: 103858650 dns-tcp-queries-received-ipv6: 15044391 dns-udp-responses-sent-ipv4: 4413673247 dns-udp-responses-sent-ipv6: 596450111 dns-tcp-responses-sent-ipv4: 103791422 dns-tcp-responses-sent-ipv6: 15042037