--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7282950416 dns-udp-queries-received-ipv6: 1285110818 dns-tcp-queries-received-ipv4: 467686139 dns-tcp-queries-received-ipv6: 106085676 dns-udp-responses-sent-ipv4: 6932604671 dns-udp-responses-sent-ipv6: 1219052899 dns-tcp-responses-sent-ipv4: 352982881 dns-tcp-responses-sent-ipv6: 75049190