--- version: rssac002v3 service: i.root-servers.net start-period: '2022-01-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7059279267 dns-udp-queries-received-ipv6: 1648944192 dns-tcp-queries-received-ipv4: 748932317 dns-tcp-queries-received-ipv6: 82538712 dns-udp-responses-sent-ipv4: 6099409559 dns-udp-responses-sent-ipv6: 1545552460 dns-tcp-responses-sent-ipv4: 749435111 dns-tcp-responses-sent-ipv6: 66362007