--- version: rssac002v3 service: j.root-servers.net start-period: '2021-10-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5864328019 dns-udp-queries-received-ipv6: 1231879442 dns-tcp-queries-received-ipv4: 441729582 dns-tcp-queries-received-ipv6: 79285194 dns-udp-responses-sent-ipv4: 5478019830 dns-udp-responses-sent-ipv6: 1224179602 dns-tcp-responses-sent-ipv4: 313327039 dns-tcp-responses-sent-ipv6: 79030733