--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4601476549 dns-udp-queries-received-ipv6: 514506081 dns-tcp-queries-received-ipv4: 24729576 dns-tcp-queries-received-ipv6: 1100397 dns-udp-responses-sent-ipv4: 4579362253 dns-udp-responses-sent-ipv6: 517377476 dns-tcp-responses-sent-ipv4: 25035798 dns-tcp-responses-sent-ipv6: 1105490