--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5092879767 dns-udp-queries-received-ipv6: 1118777668 dns-tcp-queries-received-ipv4: 474097569 dns-tcp-queries-received-ipv6: 132403210 dns-udp-responses-sent-ipv4: 4549013377 dns-udp-responses-sent-ipv6: 980824170 dns-tcp-responses-sent-ipv4: 465764191 dns-tcp-responses-sent-ipv6: 116224581