--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5711644606 dns-udp-queries-received-ipv6: 1031055414 dns-tcp-queries-received-ipv4: 469913103 dns-tcp-queries-received-ipv6: 114553860 dns-udp-responses-sent-ipv4: 4943131851 dns-udp-responses-sent-ipv6: 901903162 dns-tcp-responses-sent-ipv4: 450555377 dns-tcp-responses-sent-ipv6: 98404313