--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-20T00:00:00Z' end-period: '2018-07-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4654681149 dns-udp-queries-received-ipv6: 670913644 dns-tcp-queries-received-ipv4: 170912813 dns-tcp-queries-received-ipv6: 19236088 dns-udp-responses-sent-ipv4: 4654667063 dns-udp-responses-sent-ipv6: 670660888 dns-tcp-responses-sent-ipv4: 170876845 dns-tcp-responses-sent-ipv6: 19232127