--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6413899464 dns-udp-queries-received-ipv6: 775895019 dns-tcp-queries-received-ipv4: 133801673 dns-tcp-queries-received-ipv6: 18230211 dns-udp-responses-sent-ipv4: 6497980289 dns-udp-responses-sent-ipv6: 784732421 dns-tcp-responses-sent-ipv4: 131302074 dns-tcp-responses-sent-ipv6: 18098477