--- service: j.root-servers.net start-period: '2014-12-09T00:00:00Z' end-period: '2014-12-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3353562885 dns-udp-queries-received-ipv6: 239489988 dns-tcp-queries-received-ipv4: 25751818 dns-tcp-queries-received-ipv6: 3751463 dns-udp-responses-sent-ipv4: 3349253496 dns-udp-responses-sent-ipv6: 239405131 dns-tcp-responses-sent-ipv4: 25764240 dns-tcp-responses-sent-ipv6: 2920646