--- service: j.root-servers.net start-period: '2014-05-19T00:00:00Z' end-period: '2014-05-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3004967475 dns-udp-queries-received-ipv6: 247456259 dns-tcp-queries-received-ipv4: 23424182 dns-tcp-queries-received-ipv6: 3087769 dns-udp-responses-sent-ipv4: 2991106506 dns-udp-responses-sent-ipv6: 247256296 dns-tcp-responses-sent-ipv4: 24985882 dns-tcp-responses-sent-ipv6: 405