--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7125824610 dns-udp-queries-received-ipv6: 1587804475 dns-tcp-queries-received-ipv4: 399705088 dns-tcp-queries-received-ipv6: 221462308 dns-udp-responses-sent-ipv4: 6746761507 dns-udp-responses-sent-ipv6: 1396583527 dns-tcp-responses-sent-ipv4: 318146424 dns-tcp-responses-sent-ipv6: 128878213