--- version: rssac002v3 service: i.root-servers.net start-period: '2023-04-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4716095617 dns-udp-queries-received-ipv6: 1282932639 dns-tcp-queries-received-ipv4: 447324725 dns-tcp-queries-received-ipv6: 74826731 dns-udp-responses-sent-ipv4: 3749256981 dns-udp-responses-sent-ipv6: 1059946197 dns-tcp-responses-sent-ipv4: 383847063 dns-tcp-responses-sent-ipv6: 68758799