--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-13T00:00:00Z' end-period: '2017-12-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3750676997 dns-udp-queries-received-ipv6: 535817223 dns-tcp-queries-received-ipv4: 85658402 dns-tcp-queries-received-ipv6: 12146776 dns-udp-responses-sent-ipv4: 3749139007 dns-udp-responses-sent-ipv6: 535627281 dns-tcp-responses-sent-ipv4: 85616216 dns-tcp-responses-sent-ipv6: 12144794