--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6370410769 dns-udp-queries-received-ipv6: 1415597863 dns-tcp-queries-received-ipv4: 483759570 dns-tcp-queries-received-ipv6: 145067850 dns-udp-responses-sent-ipv4: 5964864475 dns-udp-responses-sent-ipv6: 1412048451 dns-tcp-responses-sent-ipv4: 355604172 dns-tcp-responses-sent-ipv6: 145931030