--- service: a.root-servers.net start-period: '2014-03-29T00:00:00Z' end-period: '2014-03-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2123394221 dns-udp-queries-received-ipv6: 82869568 dns-tcp-queries-received-ipv4: 10114285 dns-tcp-queries-received-ipv6: 874791 dns-udp-responses-sent-ipv4: 2122109465 dns-udp-responses-sent-ipv6: 82845563 dns-tcp-responses-sent-ipv4: 10116685 dns-tcp-responses-sent-ipv6: 113