--- service: j.root-servers.net start-period: '2014-09-13T00:00:00Z' end-period: '2014-09-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3503668113 dns-udp-queries-received-ipv6: 223639521 dns-tcp-queries-received-ipv4: 29869114 dns-tcp-queries-received-ipv6: 3373740 dns-udp-responses-sent-ipv4: 3514271817 dns-udp-responses-sent-ipv6: 222753018 dns-tcp-responses-sent-ipv4: 30277521 dns-tcp-responses-sent-ipv6: 2344111