--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5293229231 dns-udp-queries-received-ipv6: 947802538 dns-tcp-queries-received-ipv4: 516194305 dns-tcp-queries-received-ipv6: 50837623 dns-udp-responses-sent-ipv4: 4583719968 dns-udp-responses-sent-ipv6: 881856944 dns-tcp-responses-sent-ipv4: 492917020 dns-tcp-responses-sent-ipv6: 36291316