--- version: rssac002v3 service: j.root-servers.net start-period: '2021-10-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5817713864 dns-udp-queries-received-ipv6: 1197433335 dns-tcp-queries-received-ipv4: 409819951 dns-tcp-queries-received-ipv6: 93664315 dns-udp-responses-sent-ipv4: 5471064603 dns-udp-responses-sent-ipv6: 1187573236 dns-tcp-responses-sent-ipv4: 298784167 dns-tcp-responses-sent-ipv6: 93354404