--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5099153775 dns-udp-queries-received-ipv6: 529275893 dns-tcp-queries-received-ipv4: 244795283 dns-tcp-queries-received-ipv6: 18159650 dns-udp-responses-sent-ipv4: 4927059756 dns-udp-responses-sent-ipv6: 524900940 dns-tcp-responses-sent-ipv4: 198210824 dns-tcp-responses-sent-ipv6: 18185830