--- service: a.root-servers.net start-period: '2014-03-16T00:00:00Z' end-period: '2014-03-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1869070483 dns-udp-queries-received-ipv6: 82226435 dns-tcp-queries-received-ipv4: 9489413 dns-tcp-queries-received-ipv6: 1148058 dns-udp-responses-sent-ipv4: 1828374014 dns-udp-responses-sent-ipv6: 82202051 dns-tcp-responses-sent-ipv4: 9523685 dns-tcp-responses-sent-ipv6: 107