--- service: d.root-servers.net start-period: '2016-02-08T00:00:00Z' end-period: '2016-02-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4288511099 dns-udp-queries-received-ipv6: 411832688 dns-tcp-queries-received-ipv4: 19151269 dns-tcp-queries-received-ipv6: 544893 dns-udp-responses-sent-ipv4: 4276464460 dns-udp-responses-sent-ipv6: 411669725 dns-tcp-responses-sent-ipv4: 19143760 dns-tcp-responses-sent-ipv6: 544726