--- version: rssac002v3 service: j.root-servers.net start-period: '2020-04-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9380578421 dns-udp-queries-received-ipv6: 1310187655 dns-tcp-queries-received-ipv4: 794341546 dns-tcp-queries-received-ipv6: 148001800 dns-udp-responses-sent-ipv4: 8633586092 dns-udp-responses-sent-ipv6: 1286565122 dns-tcp-responses-sent-ipv4: 589303469 dns-tcp-responses-sent-ipv6: 141935625