--- service: j.root-servers.net start-period: '2014-04-15T00:00:00Z' end-period: '2014-04-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2887113313 dns-udp-queries-received-ipv6: 222366605 dns-tcp-queries-received-ipv4: 23708892 dns-tcp-queries-received-ipv6: 4820661 dns-udp-responses-sent-ipv4: 2851773957 dns-udp-responses-sent-ipv6: 222184548 dns-tcp-responses-sent-ipv4: 22131586 dns-tcp-responses-sent-ipv6: 197