--- service: d.root-servers.net start-period: '2016-05-07T00:00:00Z' end-period: '2016-05-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3856497043 dns-udp-queries-received-ipv6: 603784785 dns-tcp-queries-received-ipv4: 36223598 dns-tcp-queries-received-ipv6: 563456 dns-udp-responses-sent-ipv4: 3843283039 dns-udp-responses-sent-ipv6: 603568298 dns-tcp-responses-sent-ipv4: 36101464 dns-tcp-responses-sent-ipv6: 563327