--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5573060868 dns-udp-queries-received-ipv6: 637516987 dns-tcp-queries-received-ipv4: 291027165 dns-tcp-queries-received-ipv6: 19438332 dns-udp-responses-sent-ipv4: 5346598780 dns-udp-responses-sent-ipv6: 635585766 dns-tcp-responses-sent-ipv4: 222259456 dns-tcp-responses-sent-ipv6: 19396239