--- service: j.root-servers.net start-period: '2014-09-29T00:00:00Z' end-period: '2014-09-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2836536616 dns-udp-queries-received-ipv6: 215966641 dns-tcp-queries-received-ipv4: 25006364 dns-tcp-queries-received-ipv6: 3189899 dns-udp-responses-sent-ipv4: 2822551843 dns-udp-responses-sent-ipv6: 215651278 dns-tcp-responses-sent-ipv4: 25150788 dns-tcp-responses-sent-ipv6: 2651661