--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-09T00:00:00Z' end-period: '2018-04-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4281148249 dns-udp-queries-received-ipv6: 562511717 dns-tcp-queries-received-ipv4: 94398987 dns-tcp-queries-received-ipv6: 14441686 dns-udp-responses-sent-ipv4: 4280137170 dns-udp-responses-sent-ipv6: 562381740 dns-tcp-responses-sent-ipv4: 94339833 dns-tcp-responses-sent-ipv6: 14438199