--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5749337353 dns-udp-queries-received-ipv6: 1010712790 dns-tcp-queries-received-ipv4: 148095176 dns-tcp-queries-received-ipv6: 27309311 dns-udp-responses-sent-ipv4: 5672934202 dns-udp-responses-sent-ipv6: 1016606683 dns-tcp-responses-sent-ipv4: 145465404 dns-tcp-responses-sent-ipv6: 27198918