--- version: rssac002v3 service: d.root-servers.net start-period: '2017-04-21T00:00:00Z' end-period: '2017-04-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4168829144 dns-udp-queries-received-ipv6: 688464054 dns-tcp-queries-received-ipv4: 74780548 dns-tcp-queries-received-ipv6: 9181190 dns-udp-responses-sent-ipv4: 4161597784 dns-udp-responses-sent-ipv6: 688390973 dns-tcp-responses-sent-ipv4: 74588016 dns-tcp-responses-sent-ipv6: 9180175