--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-29T00:00:00Z' end-period: '2019-07-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8028173659 dns-udp-queries-received-ipv6: 1792461299 dns-tcp-queries-received-ipv4: 437043771 dns-tcp-queries-received-ipv6: 71225879 dns-udp-responses-sent-ipv4: 8028147336 dns-udp-responses-sent-ipv6: 1791141458 dns-tcp-responses-sent-ipv4: 436804255 dns-tcp-responses-sent-ipv6: 71084411