--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6699924305 dns-udp-queries-received-ipv6: 1439927661 dns-tcp-queries-received-ipv4: 569975412 dns-tcp-queries-received-ipv6: 110297838 dns-udp-responses-sent-ipv4: 6197676690 dns-udp-responses-sent-ipv6: 1433196034 dns-tcp-responses-sent-ipv4: 397083513 dns-tcp-responses-sent-ipv6: 108437588