--- service: j.root-servers.net start-period: '2014-07-01T00:00:00Z' end-period: '2014-07-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4055295934 dns-udp-queries-received-ipv6: 194647778 dns-tcp-queries-received-ipv4: 55474736 dns-tcp-queries-received-ipv6: 4268030 dns-udp-responses-sent-ipv4: 4061195278 dns-udp-responses-sent-ipv6: 194244897 dns-tcp-responses-sent-ipv4: 56992605 dns-tcp-responses-sent-ipv6: 2600842