--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6701241084 dns-udp-queries-received-ipv6: 1617533454 dns-tcp-queries-received-ipv4: 707624372 dns-tcp-queries-received-ipv6: 72463271 dns-udp-responses-sent-ipv4: 5762285992 dns-udp-responses-sent-ipv6: 1506645579 dns-tcp-responses-sent-ipv4: 707246135 dns-tcp-responses-sent-ipv6: 58856200