--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-07T00:00:00Z' end-period: '2018-01-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3274573117 dns-udp-queries-received-ipv6: 535540295 dns-tcp-queries-received-ipv4: 77427052 dns-tcp-queries-received-ipv6: 11641296 dns-udp-responses-sent-ipv4: 3274360032 dns-udp-responses-sent-ipv6: 535377177 dns-tcp-responses-sent-ipv4: 77378995 dns-tcp-responses-sent-ipv6: 11638170