--- service: a.root-servers.net start-period: '2014-08-15T00:00:00Z' end-period: '2014-08-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1717142907 dns-udp-queries-received-ipv6: 114147386 dns-tcp-queries-received-ipv4: 18047022 dns-tcp-queries-received-ipv6: 1241608 dns-udp-responses-sent-ipv4: 1720010495 dns-udp-responses-sent-ipv6: 114127787 dns-tcp-responses-sent-ipv4: 17956527 dns-tcp-responses-sent-ipv6: 547613