--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6886589001 dns-udp-queries-received-ipv6: 701098801 dns-tcp-queries-received-ipv4: 91208459 dns-tcp-queries-received-ipv6: 10163700 dns-udp-responses-sent-ipv4: 6903480775 dns-udp-responses-sent-ipv6: 700080119 dns-tcp-responses-sent-ipv4: 93331943 dns-tcp-responses-sent-ipv6: 10353072