--- version: rssac002v3 service: j.root-servers.net start-period: '2021-04-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6171431083 dns-udp-queries-received-ipv6: 1427821411 dns-tcp-queries-received-ipv4: 451306133 dns-tcp-queries-received-ipv6: 116549693 dns-udp-responses-sent-ipv4: 5789247820 dns-udp-responses-sent-ipv6: 1417570246 dns-tcp-responses-sent-ipv4: 331584600 dns-tcp-responses-sent-ipv6: 114272151