--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6588392266 dns-udp-queries-received-ipv6: 1387806121 dns-tcp-queries-received-ipv4: 563551694 dns-tcp-queries-received-ipv6: 96955150 dns-udp-responses-sent-ipv4: 6088612638 dns-udp-responses-sent-ipv6: 1382623210 dns-tcp-responses-sent-ipv4: 391425016 dns-tcp-responses-sent-ipv6: 96794635