--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-02T00:00:00Z' end-period: '2018-01-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3618291635 dns-udp-queries-received-ipv6: 547789960 dns-tcp-queries-received-ipv4: 90070988 dns-tcp-queries-received-ipv6: 12308945 dns-udp-responses-sent-ipv4: 3616475282 dns-udp-responses-sent-ipv6: 547602275 dns-tcp-responses-sent-ipv4: 88936911 dns-tcp-responses-sent-ipv6: 12306320