--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5648503663 dns-udp-queries-received-ipv6: 563802891 dns-tcp-queries-received-ipv4: 302341010 dns-tcp-queries-received-ipv6: 18312973 dns-udp-responses-sent-ipv4: 5402991112 dns-udp-responses-sent-ipv6: 481044347 dns-tcp-responses-sent-ipv4: 234094414 dns-tcp-responses-sent-ipv6: 18430190