--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6377130702 dns-udp-queries-received-ipv6: 660835767 dns-tcp-queries-received-ipv4: 325616158 dns-tcp-queries-received-ipv6: 26298160 dns-udp-responses-sent-ipv4: 5843257492 dns-udp-responses-sent-ipv6: 654162622 dns-tcp-responses-sent-ipv4: 231746737 dns-tcp-responses-sent-ipv6: 25979502