--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7023401761 dns-udp-queries-received-ipv6: 1685839601 dns-tcp-queries-received-ipv4: 723430594 dns-tcp-queries-received-ipv6: 83095658 dns-udp-responses-sent-ipv4: 6080052743 dns-udp-responses-sent-ipv6: 1566155292 dns-tcp-responses-sent-ipv4: 720923764 dns-tcp-responses-sent-ipv6: 67135573