--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6585019025 dns-udp-queries-received-ipv6: 741119035 dns-tcp-queries-received-ipv4: 68289706 dns-tcp-queries-received-ipv6: 7457857 dns-udp-responses-sent-ipv4: 6708237625 dns-udp-responses-sent-ipv6: 741016463 dns-tcp-responses-sent-ipv4: 71046349 dns-tcp-responses-sent-ipv6: 7475041