--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-07T00:00:00Z' end-period: '2019-01-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6193530511 dns-udp-queries-received-ipv6: 1471393842 dns-tcp-queries-received-ipv4: 370937763 dns-tcp-queries-received-ipv6: 54489053 dns-udp-responses-sent-ipv4: 6193497290 dns-udp-responses-sent-ipv6: 1471239652 dns-tcp-responses-sent-ipv4: 370718481 dns-tcp-responses-sent-ipv6: 54457334