--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4005980333 dns-udp-queries-received-ipv6: 486808958 dns-tcp-queries-received-ipv4: 20709385 dns-tcp-queries-received-ipv6: 1013950 dns-udp-responses-sent-ipv4: 3998002501 dns-udp-responses-sent-ipv6: 486409886 dns-tcp-responses-sent-ipv4: 20989628 dns-tcp-responses-sent-ipv6: 1023010