--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7154202702 dns-udp-queries-received-ipv6: 1093212694 dns-tcp-queries-received-ipv4: 566040574 dns-tcp-queries-received-ipv6: 160245078 dns-udp-responses-sent-ipv4: 5131248943 dns-udp-responses-sent-ipv6: 799585156 dns-tcp-responses-sent-ipv4: 499303881 dns-tcp-responses-sent-ipv6: 134408985