--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5159638685 dns-udp-queries-received-ipv6: 680900458 dns-tcp-queries-received-ipv4: 87014271 dns-tcp-queries-received-ipv6: 12826895 dns-udp-responses-sent-ipv4: 5279729306 dns-udp-responses-sent-ipv6: 677047347 dns-tcp-responses-sent-ipv4: 87368148 dns-tcp-responses-sent-ipv6: 12825151