--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6998106976 dns-udp-queries-received-ipv6: 1777163847 dns-tcp-queries-received-ipv4: 729540920 dns-tcp-queries-received-ipv6: 84435686 dns-udp-responses-sent-ipv4: 6070977308 dns-udp-responses-sent-ipv6: 1668377798 dns-tcp-responses-sent-ipv4: 731265651 dns-tcp-responses-sent-ipv6: 67129523