--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5298294258 dns-udp-queries-received-ipv6: 1133231634 dns-tcp-queries-received-ipv4: 475845744 dns-tcp-queries-received-ipv6: 148488042 dns-udp-responses-sent-ipv4: 4315418305 dns-udp-responses-sent-ipv6: 820981016 dns-tcp-responses-sent-ipv4: 417989930 dns-tcp-responses-sent-ipv6: 127545721