--- version: rssac002v3 service: i.root-servers.net start-period: '2022-02-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6483923851 dns-udp-queries-received-ipv6: 1569465196 dns-tcp-queries-received-ipv4: 638990519 dns-tcp-queries-received-ipv6: 72214016 dns-udp-responses-sent-ipv4: 5601842718 dns-udp-responses-sent-ipv6: 1456266425 dns-tcp-responses-sent-ipv4: 628727132 dns-tcp-responses-sent-ipv6: 54284837