--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-17T00:00:00Z' end-period: '2018-01-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3792581559 dns-udp-queries-received-ipv6: 579630150 dns-tcp-queries-received-ipv4: 85558135 dns-tcp-queries-received-ipv6: 13039250 dns-udp-responses-sent-ipv4: 3790118474 dns-udp-responses-sent-ipv6: 579430769 dns-tcp-responses-sent-ipv4: 85432907 dns-tcp-responses-sent-ipv6: 13036685