--- version: rssac002v3 service: d.root-servers.net start-period: '2016-12-21T00:00:00Z' end-period: '2016-12-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4243174410 dns-udp-queries-received-ipv6: 677217599 dns-tcp-queries-received-ipv4: 73411468 dns-tcp-queries-received-ipv6: 7463090 dns-udp-responses-sent-ipv4: 4233407552 dns-udp-responses-sent-ipv6: 676965301 dns-tcp-responses-sent-ipv4: 73269774 dns-tcp-responses-sent-ipv6: 7447031