--- version: rssac002v3 service: i.root-servers.net start-period: '2022-03-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6783581456 dns-udp-queries-received-ipv6: 1926011247 dns-tcp-queries-received-ipv4: 734116149 dns-tcp-queries-received-ipv6: 83756207 dns-udp-responses-sent-ipv4: 5687207220 dns-udp-responses-sent-ipv6: 1752980704 dns-tcp-responses-sent-ipv4: 697389048 dns-tcp-responses-sent-ipv6: 74345883