--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-27T00:00:00Z' end-period: '2018-04-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3819291418 dns-udp-queries-received-ipv6: 613372002 dns-tcp-queries-received-ipv4: 88123793 dns-tcp-queries-received-ipv6: 13918890 dns-udp-responses-sent-ipv4: 3818053777 dns-udp-responses-sent-ipv6: 613286381 dns-tcp-responses-sent-ipv4: 88088041 dns-tcp-responses-sent-ipv6: 13916797