--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5601063903 dns-udp-queries-received-ipv6: 1025942365 dns-tcp-queries-received-ipv4: 134742252 dns-tcp-queries-received-ipv6: 25952624 dns-udp-responses-sent-ipv4: 5539483459 dns-udp-responses-sent-ipv6: 1032601719 dns-tcp-responses-sent-ipv4: 132722492 dns-tcp-responses-sent-ipv6: 25696344