--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-17T00:00:00Z' end-period: '2019-07-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7900536971 dns-udp-queries-received-ipv6: 1806088089 dns-tcp-queries-received-ipv4: 424875346 dns-tcp-queries-received-ipv6: 72134246 dns-udp-responses-sent-ipv4: 7900488985 dns-udp-responses-sent-ipv6: 1805506531 dns-tcp-responses-sent-ipv4: 424626672 dns-tcp-responses-sent-ipv6: 71018613