--- version: rssac002v3 service: d.root-servers.net start-period: '2019-12-16T00:00:00Z' end-period: '2019-12-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8001321433 dns-udp-queries-received-ipv6: 1594106114 dns-tcp-queries-received-ipv4: 557614081 dns-tcp-queries-received-ipv6: 92381131 dns-udp-responses-sent-ipv4: 8001359873 dns-udp-responses-sent-ipv6: 1594068344 dns-tcp-responses-sent-ipv4: 557567101 dns-tcp-responses-sent-ipv6: 92228128