--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5759157317 dns-udp-queries-received-ipv6: 666792712 dns-tcp-queries-received-ipv4: 123305047 dns-tcp-queries-received-ipv6: 14301177 dns-udp-responses-sent-ipv4: 5805363515 dns-udp-responses-sent-ipv6: 667809705 dns-tcp-responses-sent-ipv4: 121021892 dns-tcp-responses-sent-ipv6: 14500772