--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-19T00:00:00Z' end-period: '2019-01-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6183951523 dns-udp-queries-received-ipv6: 1451445267 dns-tcp-queries-received-ipv4: 219737129 dns-tcp-queries-received-ipv6: 65712576 dns-udp-responses-sent-ipv4: 6183924952 dns-udp-responses-sent-ipv6: 1451318199 dns-tcp-responses-sent-ipv4: 219036337 dns-tcp-responses-sent-ipv6: 65622317