--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9090265832 dns-udp-queries-received-ipv6: 1263172289 dns-tcp-queries-received-ipv4: 686750719 dns-tcp-queries-received-ipv6: 104713193 dns-udp-responses-sent-ipv4: 8288480444 dns-udp-responses-sent-ipv6: 1232509895 dns-tcp-responses-sent-ipv4: 491556866 dns-tcp-responses-sent-ipv6: 93311301