--- service: a.root-servers.net start-period: '2014-07-29T00:00:00Z' end-period: '2014-07-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1759973911 dns-udp-queries-received-ipv6: 116583289 dns-tcp-queries-received-ipv4: 15141715 dns-tcp-queries-received-ipv6: 1104603 dns-udp-responses-sent-ipv4: 1759910356 dns-udp-responses-sent-ipv6: 116594175 dns-tcp-responses-sent-ipv4: 15425599 dns-tcp-responses-sent-ipv6: 427523