--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6148613398 dns-udp-queries-received-ipv6: 1819871001 dns-tcp-queries-received-ipv4: 616681493 dns-tcp-queries-received-ipv6: 77127762 dns-udp-responses-sent-ipv4: 5368677813 dns-udp-responses-sent-ipv6: 1656346463 dns-tcp-responses-sent-ipv4: 613029156 dns-tcp-responses-sent-ipv6: 73458402