--- version: rssac002v4 service: j.root-servers.net start-period: '2021-10-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6209178672 dns-udp-queries-received-ipv6: 1365223363 dns-tcp-queries-received-ipv4: 471914661 dns-tcp-queries-received-ipv6: 83454492 dns-udp-responses-sent-ipv4: 5782176824 dns-udp-responses-sent-ipv6: 1356751705 dns-tcp-responses-sent-ipv4: 332789972 dns-tcp-responses-sent-ipv6: 83357232