--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4266061083 dns-udp-queries-received-ipv6: 381105206 dns-tcp-queries-received-ipv4: 144161122 dns-tcp-queries-received-ipv6: 12225528 dns-udp-responses-sent-ipv4: 4168086327 dns-udp-responses-sent-ipv6: 379946712 dns-tcp-responses-sent-ipv4: 119385866 dns-tcp-responses-sent-ipv6: 12261096