--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6687184242 dns-udp-queries-received-ipv6: 801898833 dns-tcp-queries-received-ipv4: 325920577 dns-tcp-queries-received-ipv6: 28697464 dns-udp-responses-sent-ipv4: 6279727250 dns-udp-responses-sent-ipv6: 793445236 dns-tcp-responses-sent-ipv4: 228973177 dns-tcp-responses-sent-ipv6: 28278861