--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6953318911 dns-udp-queries-received-ipv6: 1640651095 dns-tcp-queries-received-ipv4: 753288627 dns-tcp-queries-received-ipv6: 87349053 dns-udp-responses-sent-ipv4: 5980764520 dns-udp-responses-sent-ipv6: 1530939586 dns-tcp-responses-sent-ipv4: 754977412 dns-tcp-responses-sent-ipv6: 70069822