--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4926707122 dns-udp-queries-received-ipv6: 1020089751 dns-tcp-queries-received-ipv4: 122128277 dns-tcp-queries-received-ipv6: 19807585 dns-udp-responses-sent-ipv4: 4929494828 dns-udp-responses-sent-ipv6: 1018417731 dns-tcp-responses-sent-ipv4: 119085584 dns-tcp-responses-sent-ipv6: 19644486