--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6707082223 dns-udp-queries-received-ipv6: 1469922509 dns-tcp-queries-received-ipv4: 565441759 dns-tcp-queries-received-ipv6: 106633381 dns-udp-responses-sent-ipv4: 6207287100 dns-udp-responses-sent-ipv6: 1463114100 dns-tcp-responses-sent-ipv4: 393902690 dns-tcp-responses-sent-ipv6: 104577972