--- service: d.root-servers.net start-period: '2015-11-11T00:00:00Z' end-period: '2015-11-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3834393609 dns-udp-queries-received-ipv6: 469486814 dns-tcp-queries-received-ipv4: 17535007 dns-tcp-queries-received-ipv6: 489369 dns-udp-responses-sent-ipv4: 3818715066 dns-udp-responses-sent-ipv6: 469247765 dns-tcp-responses-sent-ipv4: 17482323 dns-tcp-responses-sent-ipv6: 484880