--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5908140301 dns-udp-queries-received-ipv6: 650214136 dns-tcp-queries-received-ipv4: 140126024 dns-tcp-queries-received-ipv6: 18997037 dns-udp-responses-sent-ipv4: 5949275413 dns-udp-responses-sent-ipv6: 665368639 dns-tcp-responses-sent-ipv4: 138361647 dns-tcp-responses-sent-ipv6: 19036480