--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-18T00:00:00Z' end-period: '2017-12-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5296994483 dns-udp-queries-received-ipv6: 530563685 dns-tcp-queries-received-ipv4: 85779633 dns-tcp-queries-received-ipv6: 12377338 dns-udp-responses-sent-ipv4: 5295154988 dns-udp-responses-sent-ipv6: 530399173 dns-tcp-responses-sent-ipv4: 85742577 dns-tcp-responses-sent-ipv6: 12375289