--- service: a.root-servers.net start-period: '2014-04-01T00:00:00Z' end-period: '2014-04-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2426322038 dns-udp-queries-received-ipv6: 88352741 dns-tcp-queries-received-ipv4: 11684235 dns-tcp-queries-received-ipv6: 877981 dns-udp-responses-sent-ipv4: 2423697270 dns-udp-responses-sent-ipv6: 88324694 dns-tcp-responses-sent-ipv4: 11725568 dns-tcp-responses-sent-ipv6: 120