--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6563842491 dns-udp-queries-received-ipv6: 1827113954 dns-tcp-queries-received-ipv4: 667132963 dns-tcp-queries-received-ipv6: 83152296 dns-udp-responses-sent-ipv4: 5713360709 dns-udp-responses-sent-ipv6: 1623788821 dns-tcp-responses-sent-ipv4: 661379009 dns-tcp-responses-sent-ipv6: 74823444