--- version: rssac002v3 service: d.root-servers.net start-period: '2017-07-21T00:00:00Z' end-period: '2017-07-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4181895609 dns-udp-queries-received-ipv6: 657305738 dns-tcp-queries-received-ipv4: 77114307 dns-tcp-queries-received-ipv6: 10975881 dns-udp-responses-sent-ipv4: 4182125587 dns-udp-responses-sent-ipv6: 657230460 dns-tcp-responses-sent-ipv4: 77065268 dns-tcp-responses-sent-ipv6: 10974924