--- service: a.root-servers.net start-period: '2014-06-07T00:00:00Z' end-period: '2014-06-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1590889194 dns-udp-queries-received-ipv6: 102284907 dns-tcp-queries-received-ipv4: 8230275 dns-tcp-queries-received-ipv6: 1304161 dns-udp-responses-sent-ipv4: 1590732007 dns-udp-responses-sent-ipv6: 102309010 dns-tcp-responses-sent-ipv4: 8275629 dns-tcp-responses-sent-ipv6: 493073