--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-19T00:00:00Z' end-period: '2018-04-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4004088798 dns-udp-queries-received-ipv6: 593929121 dns-tcp-queries-received-ipv4: 108101398 dns-tcp-queries-received-ipv6: 14864674 dns-udp-responses-sent-ipv4: 4004048430 dns-udp-responses-sent-ipv6: 593875016 dns-tcp-responses-sent-ipv4: 108044568 dns-tcp-responses-sent-ipv6: 14862873