--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6109763567 dns-udp-queries-received-ipv6: 1499559330 dns-tcp-queries-received-ipv4: 490659702 dns-tcp-queries-received-ipv6: 99840088 dns-udp-responses-sent-ipv4: 5639974685 dns-udp-responses-sent-ipv6: 1459135334 dns-tcp-responses-sent-ipv4: 354009598 dns-tcp-responses-sent-ipv6: 96814974