--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-15T00:00:00Z' end-period: '2017-12-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3707829130 dns-udp-queries-received-ipv6: 529300834 dns-tcp-queries-received-ipv4: 89314757 dns-tcp-queries-received-ipv6: 12092987 dns-udp-responses-sent-ipv4: 3706840000 dns-udp-responses-sent-ipv6: 529119830 dns-tcp-responses-sent-ipv4: 89271124 dns-tcp-responses-sent-ipv6: 12090781