--- version: rssac002v4 service: j.root-servers.net start-period: '2021-10-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5831294712 dns-udp-queries-received-ipv6: 1375623260 dns-tcp-queries-received-ipv4: 426227022 dns-tcp-queries-received-ipv6: 107336602 dns-udp-responses-sent-ipv4: 5469413799 dns-udp-responses-sent-ipv6: 1366989953 dns-tcp-responses-sent-ipv4: 306772120 dns-tcp-responses-sent-ipv6: 106679986