--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5556566728 dns-udp-queries-received-ipv6: 740920028 dns-tcp-queries-received-ipv4: 74728675 dns-tcp-queries-received-ipv6: 7951918 dns-udp-responses-sent-ipv4: 5563479515 dns-udp-responses-sent-ipv6: 740944691 dns-tcp-responses-sent-ipv4: 75868410 dns-tcp-responses-sent-ipv6: 8125976