--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6271839759 dns-udp-queries-received-ipv6: 816786915 dns-tcp-queries-received-ipv4: 84155518 dns-tcp-queries-received-ipv6: 9250549 dns-udp-responses-sent-ipv4: 6270352549 dns-udp-responses-sent-ipv6: 816348413 dns-tcp-responses-sent-ipv4: 86004421 dns-tcp-responses-sent-ipv6: 9408736