--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4792092004 dns-udp-queries-received-ipv6: 412951923 dns-tcp-queries-received-ipv4: 183910174 dns-tcp-queries-received-ipv6: 16020666 dns-udp-responses-sent-ipv4: 4665357353 dns-udp-responses-sent-ipv6: 410098305 dns-tcp-responses-sent-ipv4: 155538877 dns-tcp-responses-sent-ipv6: 15999251