--- version: rssac002v3 service: i.root-servers.net start-period: '2021-10-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5999603992 dns-udp-queries-received-ipv6: 1214718620 dns-tcp-queries-received-ipv4: 563632188 dns-tcp-queries-received-ipv6: 141898949 dns-udp-responses-sent-ipv4: 5187399693 dns-udp-responses-sent-ipv6: 1031332075 dns-tcp-responses-sent-ipv4: 524283331 dns-tcp-responses-sent-ipv6: 119306853