--- version: rssac002v3 service: d.root-servers.net start-period: '2017-05-15T00:00:00Z' end-period: '2017-05-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4136390754 dns-udp-queries-received-ipv6: 728405552 dns-tcp-queries-received-ipv4: 76935803 dns-tcp-queries-received-ipv6: 9940351 dns-udp-responses-sent-ipv4: 4136441891 dns-udp-responses-sent-ipv6: 728278213 dns-tcp-responses-sent-ipv4: 76873024 dns-tcp-responses-sent-ipv6: 9937802