--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6916523123 dns-udp-queries-received-ipv6: 1408899343 dns-tcp-queries-received-ipv4: 583937827 dns-tcp-queries-received-ipv6: 119104961 dns-udp-responses-sent-ipv4: 6349646902 dns-udp-responses-sent-ipv6: 1388450372 dns-tcp-responses-sent-ipv4: 411364037 dns-tcp-responses-sent-ipv6: 112492326