--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3812756481 dns-udp-queries-received-ipv6: 487040205 dns-tcp-queries-received-ipv4: 17267569 dns-tcp-queries-received-ipv6: 1002665 dns-udp-responses-sent-ipv4: 3733450846 dns-udp-responses-sent-ipv6: 480795272 dns-tcp-responses-sent-ipv4: 17425120 dns-tcp-responses-sent-ipv6: 1007182