--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5277989918 dns-udp-queries-received-ipv6: 1144212831 dns-tcp-queries-received-ipv4: 598298141 dns-tcp-queries-received-ipv6: 125558956 dns-udp-responses-sent-ipv4: 4548398490 dns-udp-responses-sent-ipv6: 1035117722 dns-tcp-responses-sent-ipv4: 562586371 dns-tcp-responses-sent-ipv6: 121421196