--- service: a.root-servers.net start-period: '2014-05-24T00:00:00Z' end-period: '2014-05-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2049411168 dns-udp-queries-received-ipv6: 94781972 dns-tcp-queries-received-ipv4: 11300490 dns-tcp-queries-received-ipv6: 947404 dns-udp-responses-sent-ipv4: 2048729480 dns-udp-responses-sent-ipv6: 94737077 dns-tcp-responses-sent-ipv4: 11355636 dns-tcp-responses-sent-ipv6: 85104