--- version: rssac002v3 service: d.root-servers.net start-period: '2018-05-23T00:00:00Z' end-period: '2018-05-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4869724147 dns-udp-queries-received-ipv6: 648727291 dns-tcp-queries-received-ipv4: 194587062 dns-tcp-queries-received-ipv6: 17870090 dns-udp-responses-sent-ipv4: 4870400441 dns-udp-responses-sent-ipv6: 648648175 dns-tcp-responses-sent-ipv4: 194527507 dns-tcp-responses-sent-ipv6: 17869374