--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7359197430 dns-udp-queries-received-ipv6: 1554620521 dns-tcp-queries-received-ipv4: 474332567 dns-tcp-queries-received-ipv6: 214361438 dns-udp-responses-sent-ipv4: 6942876198 dns-udp-responses-sent-ipv6: 1370394694 dns-tcp-responses-sent-ipv4: 356959470 dns-tcp-responses-sent-ipv6: 124527840