--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7908720376 dns-udp-queries-received-ipv6: 1623745981 dns-tcp-queries-received-ipv4: 572432264 dns-tcp-queries-received-ipv6: 220894956 dns-udp-responses-sent-ipv4: 7342334564 dns-udp-responses-sent-ipv6: 1432710907 dns-tcp-responses-sent-ipv4: 424812480 dns-tcp-responses-sent-ipv6: 129589733