--- version: rssac002v3 service: j.root-servers.net start-period: '2021-07-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5949260423 dns-udp-queries-received-ipv6: 1289038563 dns-tcp-queries-received-ipv4: 580893291 dns-tcp-queries-received-ipv6: 126578841 dns-udp-responses-sent-ipv4: 5464993578 dns-udp-responses-sent-ipv6: 1279576973 dns-tcp-responses-sent-ipv4: 413149591 dns-tcp-responses-sent-ipv6: 123641963