--- version: rssac002v3 service: j.root-servers.net start-period: '2021-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5951730370 dns-udp-queries-received-ipv6: 1234442291 dns-tcp-queries-received-ipv4: 528078825 dns-tcp-queries-received-ipv6: 94950548 dns-udp-responses-sent-ipv4: 5485105342 dns-udp-responses-sent-ipv6: 1230943980 dns-tcp-responses-sent-ipv4: 368438459 dns-tcp-responses-sent-ipv6: 95143545