--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6113244976 dns-udp-queries-received-ipv6: 1563484910 dns-tcp-queries-received-ipv4: 614390129 dns-tcp-queries-received-ipv6: 70169343 dns-udp-responses-sent-ipv4: 5360546361 dns-udp-responses-sent-ipv6: 1417298167 dns-tcp-responses-sent-ipv4: 614311477 dns-tcp-responses-sent-ipv6: 66621307