--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6433983697 dns-udp-queries-received-ipv6: 1311623443 dns-tcp-queries-received-ipv4: 558803781 dns-tcp-queries-received-ipv6: 97316107 dns-udp-responses-sent-ipv4: 5931259039 dns-udp-responses-sent-ipv6: 1306786817 dns-tcp-responses-sent-ipv4: 387053513 dns-tcp-responses-sent-ipv6: 97320921