--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5648416198 dns-udp-queries-received-ipv6: 1037734014 dns-tcp-queries-received-ipv4: 462583126 dns-tcp-queries-received-ipv6: 102969027 dns-udp-responses-sent-ipv4: 4822287484 dns-udp-responses-sent-ipv6: 885039413 dns-tcp-responses-sent-ipv4: 435133086 dns-tcp-responses-sent-ipv6: 84927361