--- version: rssac002v3 service: i.root-servers.net start-period: '2021-08-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4258209288 dns-udp-queries-received-ipv6: 894677830 dns-tcp-queries-received-ipv4: 478847805 dns-tcp-queries-received-ipv6: 82510718 dns-udp-responses-sent-ipv4: 3846147359 dns-udp-responses-sent-ipv6: 914295037 dns-tcp-responses-sent-ipv4: 452859960 dns-tcp-responses-sent-ipv6: 83000477