--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6019400940 dns-udp-queries-received-ipv6: 709628228 dns-tcp-queries-received-ipv4: 133901217 dns-tcp-queries-received-ipv6: 17088602 dns-udp-responses-sent-ipv4: 6100123562 dns-udp-responses-sent-ipv6: 736280387 dns-tcp-responses-sent-ipv4: 131317610 dns-tcp-responses-sent-ipv6: 17018464