--- version: rssac002v3 service: j.root-servers.net start-period: '2018-02-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3654489862 dns-udp-queries-received-ipv6: 349708294 dns-tcp-queries-received-ipv4: 138464636 dns-tcp-queries-received-ipv6: 12326668 dns-udp-responses-sent-ipv4: 3573378468 dns-udp-responses-sent-ipv6: 347656499 dns-tcp-responses-sent-ipv4: 117838844 dns-tcp-responses-sent-ipv6: 12320227