--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4762854952 dns-udp-queries-received-ipv6: 541771805 dns-tcp-queries-received-ipv4: 225291092 dns-tcp-queries-received-ipv6: 19285570 dns-udp-responses-sent-ipv4: 4594668259 dns-udp-responses-sent-ipv6: 536807315 dns-tcp-responses-sent-ipv4: 177878385 dns-tcp-responses-sent-ipv6: 19322204