--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6101385398 dns-udp-queries-received-ipv6: 1529665836 dns-tcp-queries-received-ipv4: 596865740 dns-tcp-queries-received-ipv6: 68297422 dns-udp-responses-sent-ipv4: 5324381723 dns-udp-responses-sent-ipv6: 1436609365 dns-tcp-responses-sent-ipv4: 600312423 dns-tcp-responses-sent-ipv6: 53253283