--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7033051008 dns-udp-queries-received-ipv6: 1647186643 dns-tcp-queries-received-ipv4: 747122790 dns-tcp-queries-received-ipv6: 84832746 dns-udp-responses-sent-ipv4: 6084834682 dns-udp-responses-sent-ipv6: 1542408424 dns-tcp-responses-sent-ipv4: 749795689 dns-tcp-responses-sent-ipv6: 67047499