--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-07T00:00:00Z' end-period: '2018-12-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6560503771 dns-udp-queries-received-ipv6: 1399844750 dns-tcp-queries-received-ipv4: 350549228 dns-tcp-queries-received-ipv6: 35005695 dns-udp-responses-sent-ipv4: 6560675043 dns-udp-responses-sent-ipv6: 1399657046 dns-tcp-responses-sent-ipv4: 350362307 dns-tcp-responses-sent-ipv6: 34978486