--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6562781210 dns-udp-queries-received-ipv6: 1288915170 dns-tcp-queries-received-ipv4: 677341289 dns-tcp-queries-received-ipv6: 55280191 dns-udp-responses-sent-ipv4: 5587197934 dns-udp-responses-sent-ipv6: 1113264305 dns-tcp-responses-sent-ipv4: 658729708 dns-tcp-responses-sent-ipv6: 47322170