--- version: rssac002v3 service: i.root-servers.net start-period: '2022-03-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6348729812 dns-udp-queries-received-ipv6: 1896233157 dns-tcp-queries-received-ipv4: 685599504 dns-tcp-queries-received-ipv6: 81792520 dns-udp-responses-sent-ipv4: 5495784605 dns-udp-responses-sent-ipv6: 1769823206 dns-tcp-responses-sent-ipv4: 684707434 dns-tcp-responses-sent-ipv6: 73766647