--- service: d.root-servers.net start-period: '2016-03-24T00:00:00Z' end-period: '2016-03-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4379941185 dns-udp-queries-received-ipv6: 557475744 dns-tcp-queries-received-ipv4: 30167822 dns-tcp-queries-received-ipv6: 554838 dns-udp-responses-sent-ipv4: 4359508884 dns-udp-responses-sent-ipv6: 557190494 dns-tcp-responses-sent-ipv4: 30162508 dns-tcp-responses-sent-ipv6: 554809