--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6637466216 dns-udp-queries-received-ipv6: 1387696547 dns-tcp-queries-received-ipv4: 548215102 dns-tcp-queries-received-ipv6: 118058096 dns-udp-responses-sent-ipv4: 6146413891 dns-udp-responses-sent-ipv6: 1366218305 dns-tcp-responses-sent-ipv4: 395760484 dns-tcp-responses-sent-ipv6: 109707690