--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6129595294 dns-udp-queries-received-ipv6: 1345293667 dns-tcp-queries-received-ipv4: 603701968 dns-tcp-queries-received-ipv6: 99981202 dns-udp-responses-sent-ipv4: 5641256738 dns-udp-responses-sent-ipv6: 1340594395 dns-tcp-responses-sent-ipv4: 429697551 dns-tcp-responses-sent-ipv6: 98787827