--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-11T00:00:00Z' end-period: '2018-01-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3970408193 dns-udp-queries-received-ipv6: 558060269 dns-tcp-queries-received-ipv4: 83696797 dns-tcp-queries-received-ipv6: 12589376 dns-udp-responses-sent-ipv4: 3968933314 dns-udp-responses-sent-ipv6: 557838651 dns-tcp-responses-sent-ipv4: 83636119 dns-tcp-responses-sent-ipv6: 12584020