--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7309512897 dns-udp-queries-received-ipv6: 1185533767 dns-tcp-queries-received-ipv4: 654460695 dns-tcp-queries-received-ipv6: 72387516 dns-udp-responses-sent-ipv4: 6662774042 dns-udp-responses-sent-ipv6: 1144619393 dns-tcp-responses-sent-ipv4: 463155433 dns-tcp-responses-sent-ipv6: 54001922