--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5521276108 dns-udp-queries-received-ipv6: 1006235337 dns-tcp-queries-received-ipv4: 469365784 dns-tcp-queries-received-ipv6: 112345806 dns-udp-responses-sent-ipv4: 4745610650 dns-udp-responses-sent-ipv6: 867733981 dns-tcp-responses-sent-ipv4: 449746369 dns-tcp-responses-sent-ipv6: 95690778