--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5751233713 dns-udp-queries-received-ipv6: 1046471865 dns-tcp-queries-received-ipv4: 542137489 dns-tcp-queries-received-ipv6: 54705315 dns-udp-responses-sent-ipv4: 4984574073 dns-udp-responses-sent-ipv6: 973136288 dns-tcp-responses-sent-ipv4: 519225049 dns-tcp-responses-sent-ipv6: 39956349