--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7916759369 dns-udp-queries-received-ipv6: 1612204717 dns-tcp-queries-received-ipv4: 537482746 dns-tcp-queries-received-ipv6: 220377355 dns-udp-responses-sent-ipv4: 7427675301 dns-udp-responses-sent-ipv6: 1423896488 dns-tcp-responses-sent-ipv4: 401600685 dns-tcp-responses-sent-ipv6: 128951887