--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7659384148 dns-udp-queries-received-ipv6: 1611192676 dns-tcp-queries-received-ipv4: 443196829 dns-tcp-queries-received-ipv6: 228473473 dns-udp-responses-sent-ipv4: 7310291316 dns-udp-responses-sent-ipv6: 1417039711 dns-tcp-responses-sent-ipv4: 342820331 dns-tcp-responses-sent-ipv6: 132563449