--- version: rssac002v3 service: j.root-servers.net start-period: '2017-09-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4955536622 dns-udp-queries-received-ipv6: 352546030 dns-tcp-queries-received-ipv4: 173672331 dns-tcp-queries-received-ipv6: 12424045 dns-udp-responses-sent-ipv4: 4839808811 dns-udp-responses-sent-ipv6: 348559297 dns-tcp-responses-sent-ipv4: 135860162 dns-tcp-responses-sent-ipv6: 12378323