--- version: rssac002v4 service: d.root-servers.net start-period: 2021-02-16T00:00:00Z end-period: 2021-02-16T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6450209138 dns-udp-queries-received-ipv6: 1782288337 dns-tcp-queries-received-ipv4: 193837207 dns-tcp-queries-received-ipv6: 85029953 dns-udp-responses-sent-ipv4: 6450161417 dns-udp-responses-sent-ipv6: 1782258108 dns-tcp-responses-sent-ipv4: 193795982 dns-tcp-responses-sent-ipv6: 84979110