--- version: rssac002v3 service: i.root-servers.net start-period: '2017-07-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6199827519 dns-udp-queries-received-ipv6: 687863621 dns-tcp-queries-received-ipv4: 102600822 dns-tcp-queries-received-ipv6: 10220652 dns-udp-responses-sent-ipv4: 6254093451 dns-udp-responses-sent-ipv6: 682993695 dns-tcp-responses-sent-ipv4: 104072138 dns-tcp-responses-sent-ipv6: 10394854