--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6470293810 dns-udp-queries-received-ipv6: 1202936998 dns-tcp-queries-received-ipv4: 568983030 dns-tcp-queries-received-ipv6: 89396124 dns-udp-responses-sent-ipv4: 5966494595 dns-udp-responses-sent-ipv6: 1193678972 dns-tcp-responses-sent-ipv4: 392146835 dns-tcp-responses-sent-ipv6: 86849530